German Stahlhelm manufacture and testing in 1941
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- เผยแพร่เมื่อ 6 ก.ย. 2024
- The Stahlhelm ('steel helmet') is a German military steel combat helmet intended to provide protection against shrapnel and fragments or shards of grenades. The term Stahlhelm refers both to a generic steel helmet and more specifically to the distinctive German military design.
The armies of major European powers introduced helmets of this type during World War I. The German Army began to replace the traditional boiled leather Pickelhaube ('spiked helmet') with the Stahlhelm in 1916. The Stahlhelm, with its distinctive "coal scuttle" shape, was instantly recognizable and became a common element of propaganda on both sides, just like the Pickelhaube before it.
In 1934 tests began on an improved Stahlhelm, whose design was a development of World War I models. The company "Eisenhüttenwerke Thale" (now "Thaletec") carried out prototype design and testing, with Dr Friedrich Schwerd who was responsible for the original 1915 design once again taking a hand.
The new helmet was pressed from sheets of molybdenum steel in several stages. The size of the flared visor and skirt was reduced, and the large projecting lugs for the obsolete armor shield were eliminated. The ventilator holes were retained but were set in smaller hollow rivets mounted to the helmet's shell. The edges of the shell were rolled over, creating a smooth edge along the helmet. Finally, a completely new leather suspension, or liner, was incorporated that greatly improved the helmet's safety, adjustability, and comfort for each wearer. These improvements made the new M1935 helmet lighter, more compact, and more comfortable to wear than the previous designs.
The Army's Supreme Command within the Third Reich's Wehrmacht or combined armed forces officially accepted the new helmet on June 25, 1935 and it was intended to replace all other helmets in service.
More than 1 million M1935 helmets were manufactured in the first two years after its introduction, and millions more were produced until 1940 when the basic design and production methods were changed to simplify its construction, with the manufacturing process now incorporating more automated stamping methods. The principal change was to stamp the ventilator hole mounts directly onto the shell, rather than utilizing separate fittings. In other respects, the M1940 helmet was identical to the M1935. The Germans still referred to the M1940 as the M1935, while the M1940 designation were given by collectors.
0:05 the process starts with a circular steel sheet that is appropriately lubricated
0:14 the first of a series of presses draws the steel into shape
0:22 the first pressing is lubricated before being passed through the second press
0:32 the third and final press
0:41 the rim is hammered in by hand
0:48 finishing of the rim by rollers
0:53 heat treatment of the formed helmets
1:15 centrifugal drying of the quenched helmets
1:21 painting
1:30 decal application which in this case is the Luftwaffe eagle
1:37 helmet liner added
1:47 the finished product
1:52 proof testing of a sample helmet. While a high velocity round would easily punch through, the helmet could reliably stop low velocity handgun rounds like .45 ACP. Note that this is not a 7.92mm Mauser but most likely an 11mm lead bullet specially made for the purpose of proofing the helmets, fired at subsonic velocity.
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Where's the sound?
The noise in these factories must have been infernal.
What?
WHAT?
WAS!?!
Yes, it was common for many older machinists to be hard of hearing.
Wie bitte??? Ich kann Sie nicht hören!!
Outstanding footage.10/10
Thanks you're not so bad yourself
Definitely one of the best helmet designs it was so good we used it later on
It's actually much older than you would think. The stahlhelm is based on the medieval german sallet.
@@pertsa7614 i thought the stahlhelm was inspired by samurai helmets
@@user-mn4nc3cb6yNope
@@pertsa7614 and that neck protection of the sallet reminisces me of the roman galea so if we really pull loose ends we could say all paths lead back to rome
@@AdrianOkayand before Rome certainly.
Many highly developed civilisations existed before Rome and even before Ancient Greece.
So much heavy machinery and people just for the helmets alone I can't even imagine how much would be needed for the u-boots and ships
Well they needed tens of millions of these, better to centralize production in big factories to make use of the economics of scale.
It’s all mind-boggling, the logistics of war…😵💫🤯
yes and then you think that there is stuff like uniforms and boots.. all pretty much handmade. then the tanks, their optics, radio equipment, smoke grenades, every single little mechanism in them, weapons, blades, gaiters, belts, mess kits, embroidery, personal hygiene stuff, millions of all those things
@@SteveBrownRocks2023you took words from my mouth, what kind of energy did those people have!!!!!!
I can’t even go out with my friends without a pocket full of pain killers due to an agonizing chronic neck pain that causes severe headaches all the time.
@@ptolemaios5364 it’s absolutely incredible! Every little part, piece, spring, EVERYTHING had to be manufactured by somebody! It’s the same with every country, but it’s mind-blowing!
Great footage. Yeah not sure about the rifle fire thing though. Likely a low velocity projectile to simulate fragmentation.
Yes, low velocity testing gun.
And the helmet's not fixed to anything - it just bounces straight back.
It seems like a decent propaganda piece, tricking people into thinking the german craftmanship will keep their heads from bursting like watermelons.
A 7.92mm bullet would certainly have blown right through, so while it appears to be a Mauser action it's likely chambered in a different caliber, for example a 22 rimfire Mauser KKW cadet rifle.
this video was nazi propaganda clearly. intended to make the nazi soldiers feel like their weapons were going to save them which is total bs
Very interesting. Before the rounded lip of the helmet is bent downward, it sort of resembles a medieval archers kettle helmet.
Hey, what can I say, human morphology hasn't changed since, so since that's what dictates optimal shape fo a helmet, then you're bound to see reaccuring themes!
Yeah interestingly that's basically the design Britain went for with the MK1 Brodie helmet and then later the MK3 Turtle, bowl for the head with a brim.
The East German M56 was also originally a WW2 German design but Hitler being the "Exceptional individual" he was he decided a cheaper helmet that offered better protection was a bad idea.
..and the Stahlhelm helmets were themselves inspired by Late Medieval helmets called _sallet,_ which were prevalent in Central Europe.
@@stalhandske9649yep looks just like a medieval sallet
Yes true mate
I have only seen footage of these being turned into pots years ago, so this is another exceptional footage.
Ich habe im Kindergarten (Russland) in solchen Topf geschissen.
@@gruevonmir1625You could only give a shit in your grandfather's cap.
@@gruevonmir1625 желтый эмалированный горшок с ручкой, на котором красной корявой кистью было что-то намалевано? И ел кислую капусту с запеканкой? да, это известные левацкие садики
Тише, хрюша @@assex75
@@gruevonmir1625 und deine vorfahren wurden dann wohl von ihrer regierung zu millionen an der front aufgeopfert für fleisch wellen taktiken
A gold mine of footage. Thanks
Even then making a simple helmet, look at the quality and heat treatment, German Quality through and through.
Как раз качество было плохое . Советские шлемы изготавливали из более стойкой стали.
@@ilja-sm-nlol you were lucky if you were the one that was issued a rifle and didn't have to scoop it up on the battlefield.
This is propaganda video and there is a reason why they are all working so slow and clumsy...
In reality at that time most of the work was done by starving forced labour from occupied countries and they were building even V2 rockets and plane enginesbut here for this job they hired well feed Germans to show it to people as naive as you.
I know a Polish guy whose father was in two worst camps of this war and part of his story is in abook about production of plane engines that were build with fault to fail in the air and you can easly find info about it in internet...
from english artickle in wikedia about Polish ressistance:
Sabotage and diversionary actions of the Union of Armed Combat (ZWZ) and Home Army (AK) from 1 January 1941 to 30 June 1944:
Action type Action totals
Damaged locomotives 6,930
Delayed repairs to locomotives 803
Derailed transports 732
Transports set on fire 443
Damage to railway wagons 19,058
Blown up railway bridges 38
Disruptions to electricity supplies in the Warsaw grid 638
Army vehicles damaged or destroyed 4,326
Damaged aeroplanes 28
Fuel tanks destroyed 1,167
Fuel destroyed (in tonnes) 4,674
Blocked oil wells 5
Wagons of wood wool destroyed 150
Military stores burned down 130
Disruptions of production in factories 7
Built-in faults in parts for aircraft engines 4,710
Built-in faults into cannon muzzles 203
Built-in faults into artillery projectiles 92,000
Built-in faults into air traffic radio stations 107
Built-in faults into condensers 70,000
Built-in faults into (electro-industrial) lathes 1,700
Damage to important factory machinery 2,872
Various acts of sabotage performed 25,145
Planned assassinations of Germans 5,733
And that are onlynumbers of stuff that was documented by Polish ressistance and also the ducements and people involved survived the war and communists that came to erase this history as the y prefered to teach how "General frost" helped Russia win the war(wihout real help from anyone else as they like to claim).
@@cr1txSomewhat true. The true part was that every other man had a rifle. The other half had a submachine gun
Years ago, through my job as a roofer, I found a similar Luftwaffe helmet in the attic. I also found two busts of a man with a side parting and a mustache...
Did you report the owners to Israel and got a reward?
@@SwedishEmpire1700
Halt die Fresse.
@@SwedishEmpire1700
🙋♂️
@@SwedishEmpire1700bit my shiny metal helmet
And
Kiss my fat seven inches
@@OswaldOstfalen🙋🏼
Still one of the best looking helmets to this day.
it's not enough to be protective
it has to also look badass
most iconic after the Roman helmet
Wish i had the honor to be given one with the brilliant leather coats
Que metalurgia, que tornearia , que funilaria , que indústria fantástica!
Ради смерти.
Ok !
They had became good night potties
СШ 36 РККА шлем был удобнее и по цене сейчас опережает М35
O capacete alemão da 2 guerra mundial é copiado hoje em dia !!! Com aquela dobra maravilhosa . O capacete russo e americano pareciam cuias.
A design we pretty much still use today
@@xyzksksjdhdhdhd Britain and America for sure. I’d imagine most armies use the general design. What I was getting at was that the world followed the German style as opposed to the British Brody helmet or the French design.
1:54 you can see that the ammo cartrige box is much smaller/ shorter then to a box of standard mauser ammunition. Must have been converted to 22 to replicate shrapnel or something. I suspect its 22 because i see no primer on the cartrigers, its likley 22 because of that.
There was a slide in barrel available to reduce caliber to 6mm. I also wondered why the helmet could resist a rifle at this close distance.
Those helmets could not withstand a full powered 7.92 round either. I suspect they used one "test rat" per-batch with a lighter cailber to simulate the helmets withstanding the lighter impact encounters presented (pistol calibers/shrapnel) .
Perhaps helmet batches that failed the 22. test, were then redacted from military service and issued to civic servants.
After the war, my grandpa made cookpots out of the helmets
Guten Appetit!
Whoa, more rare stuff
Wow some of this footage is so high quality. Nice video
@@cranegantry868 I was complementing the quality, not degrading it...
@@SatelliteYL Oops, sorry.
@@cranegantry868Its fine lol water under the bridge
Best helmet design ever.👍
👍👍
@@FockeWulf8750 Your grandparents should have been forced to eat no more than 500 to 600 kcal a day for five years after the war, and of course, just like in it was the case Poland under German occupation, it should have been onlythe food of the poorest quality and type that the Allies did not wantto eat even if it was free in shoops...
Then and only then Germans would have learned something from this war!
Because the same stupidity that caused two world wars reigns among German teenagers who learn about the wars only from such propaganda films, which of course never show the starved forced laborers who built everything...
Starving non german workers were literally behind everything including the V2 rockets as well as aircraft engines.
But here the helmets are build by well fed Germans that for some reason are very slow and clumsy just like a person that just started to work on this position...
Yes but they lost war!
технология производства на высоте, немецкое качество....👍
Что там "на высоте"? Сейчас поисковики находят каски советского производства и немецкого производства. Сохран абсолютно одинаковый через 80 лет лежания в земле.
Так что нечего здесь ссать в потолок от "немецкого качества".
Тяжёлая каска ,немцы снимали от усталости и толку мало было от них ,например броня танка трескалась ,вот оно качество ,не сравнивай
Брехня, наші каски всі гнилі в труху, а німецькі якщо ціла не розбита можна і зараз носити в мене дві і в чудовому стані. @@cerg1129
@@user-pd3jn8jp6w пробував сверлити німецьку каску то сверло не бере, а наші совєцькі сверляться даже нові
Советская каска лутше всех😊 аналоГовнет😊
До сих пор по всей Ленинградской области эти жестянки валяются, богато они тогда их наштамповали. У меня дача в Синявино, даже искать особо не приходится.
не пизди
Советский кстати тоже, у нас весь Краснодарский край ими усеян, я немецких не одной.
Советский шлем вроде круче был по сохранности солдата.
Только пару раз пришлось откопать немецкий шлем.....а вот руских море хоть на металолом здавай
@@vytasbraziunas3158no more brothers wars, brother.
Красивый шлем, кто бы чего ни говорил, но немцы в дизайне и форме смыслят ...
Ну да, детские ночные горшки их них получились великолепные.
И как миски для корма курочкам, и уточкам тоже норм 👍, устойчивые. А, так- да, красивые ...
У нас их использовал на фермах для выгрибания навоза.
как раз для попок новых поколений
у вас не будет новых поколений @@user-mu6iy7sd1c
that helmet looks badass
Get babbitted
All the people wearing it were bad.
@@sonnylatchstringAs a german citizen I can strongly deny that. Wearing a helmet don´t make you bad or good
Lol true mate!
@@sonnylatchstringalso china whore them to search on google chinese ww2 helmets...😂❤
Stahlhelm, dude
The video give the impression that the helmet could withstand a direct hit from the army rifle, the Mauser K98, or similar. To my knowledge no ordinary helmet can withstand a direct hit from a rifle like this. Not even today. Am I wrong?
Yep the test is fake and made for propaganda. Notice the cut in the film before he picks the "same" helmet up. These helmets could not stop full power rifle rounds.
Враньё. Не выдерживал он попадания винтовочного патрона.
The test rifle is a black powder Mauser 1871 with a reduced power load. The projectile is much slower than a 7.92 from a K98.
@@MetalheadMitch762 Because of the test distance. No helmet can stop anything at that range.
The literal machines of War
Yes Germany used to be the factory of Europe and started to outpace the Brit’s and they got jealous
Der beste Militärhelm, der je entwickelt wurde. 👍
Der Fallschirmjägerhelm war noch etwas moderner zu der Zeit.
Для говна,подойдёт
Ganz gewiss!
Thanks for the rare footage!
Very useful archive footage!
Badass design, this helmet makes the soldier look threatening as it should.
Paired with the uniforms too, Its a crime in Wolfenstein 3d they make the SS wear silly blue uniforms.
The most iconic helmet ever
Literally seen dozens of these helmets excavated in rivers and forests after 70 plus years still in serviceable condition.
Everything looked to be clockword and real but the helmet not getting penetrated by a Mauser at supershort range what was that?
While it does appear to be a Mauser action, we have no indication of the caliber. Many Gewehr 98s were rechambered as shotguns after WWI for example.
They probably had different test loads to determine if each batch met the stardards.
" ... what was that?"
Propaganda
It was the rare k98 that shoots 22lr
standard quality control practices where you test pieces from batches or periodically, which i'd say the latter was probably what was done. i'm sure there were several other tests, too, just not as 'sexy' as shooting it with a rifle.
Very interesting. Note that later in the war they would stop producing helmets with rolled edges as a cost-cutting measure. I had no idea they were heat treated. Very cool.
Some American reports have stated that it took very high powered rifles to pierce them
Есть видео,послевоенное,где эти каски, в дуршлаги,горшки и кастрюли переделывают.Мне оно больше нравиться)
Testing the helmet at 1:55:
A- Shoots at the helmet
B- Confirms that the bullet went through the helmet.
C- Testing successful
D- Epic German army footage
This film is a real treasure for the helmet collectors!! Wish there was one like this from the porzellan manufaktur Allach.
Damn so thats hardened steel, i didn't know that
Me neither. moly steel would already be tough, tempered even better.
Germans had the best styles in ww2.
Now imagine the thousands of soldiers dying in a field that this throughput of helms represent....
Had the same thoughts...
Ditto
Damn that's a great comment.
It is interesting that development of steel helmets during World War One began, in some cases, with the designs of medieval steel helmets from four hundred or more years earlier. There were several designs, all based on earlier models, and some had face protection, too.
heat treating must have been something new!
@@HK-uq9byhigh quality armor was heat treated in the middle ages too
Germany certainly knew and knows how to make stuff.
Germany
they always over-engineer everything, and that's always been the stereotype. having worked in manufacturing for a long time, even in a german-owned factory, every time we had to make something for a german customer we cringed because we knew it was going to be a pain in the ass, and an unnecessary one, at that.
@@ryanbarker5217because of that a lot of products here in germany are way to expensive when they are made in germany
Awesome content..! MORE PLEASE!
Great design helmet design...the US Army thought so too thats why they copied it...just like the MG42 they knew excellence when they saw it...outstanding footage thank you for uploading this...more more more please!
They knew the MG42 excellence because they WERE SAWED by it
@@TheOnlyVistosi were
@@Pioneer_DE thanks
which why America is fascist
The M1 was based on the Brodie helmet, not the Stahlhelm. The prototype based on the Stahlhelm was rejected specifically because of its resemblance to the German helmet.
I've got one a original rolled edge German Helmet it's makers stamp is on the inside. I believe they can take ahit from a .45 calibre full on.
The way the helmet is pressed, as opposed to stamped is what gave it superior strength. Pressing the steel retains it's durability, where as stamping stretches it, making it more brittle. Fun facts.
I remember seeing pictures of a mountain of those helmets piled high! They had to produce them by the thousands in order to have so many at the end of the war to pile up like that!
Millionen wurden davon hergestellt
Показано, как штампуют и калят - дальше до готового изделия!👍
You need such huge machines and so many people to manufacture a tiny piece of metal on your head. Unbelievable.
Then think about the large logistical tail to make everything in that factory and the factory its self all that was needed to make it from the nuts to bolts to press's to tooling to Bricks and wood. simple items are not that simple... Even less today.
best helmets at that time
Interesting how the shape of the modern Kevlar helmet mimics the ear-protecting nature of these steel pots.
Man i cant imagine the heat, smoke and noise and seemingly not enough security measures for the time.
Curious to see if the process changed during the last year of the war
Damn.
good chamber pots (after war those helmets used like chamber pots)
Did not know that helmet could take a rifle shot point blank and not penetrate, that's new information to me. Excellent footage never seen before thank you.
Pleasure! They could definitely not take a rifle round even at long range, the rifle we see firing in the footage is most likely chambered for a less powerful cartridge or using downloaded ammunition.
@@hw97karbine He is not shooting at the helmet, he is actually shooting at the gadget with the pin thinggy seen at 1:52. You can also see the pin mark in the helmet, after the shot. Downloaded ammunition would be totally useless in a testing field, cause its not steady result.
@@v1rleks the "gadget" appears to be a gauge to ensure the helmet is correctly positioned. As to the caliber it appears that there were special 11mm lead bullets made specifically for the purposes of proofing the helmets and that is most likely what we are seeing here.
You should not believe propaganda footage... they clearly made that test for the camera, how it would feel if they would release a footage for the public, seeing the helmet gets a hole? 😄
@@Chibanah chibanah you are incorrect. the test was accurate, it's not propaganda. they just used a weaker rifle, the point isnt to prove it can stop rifle rounds but to simulate its performance against shrapnel or similar
Excellent, je n'avais jamais vu la construction de casque.👍👍👍
Many years ago I found such a helmet in the attic. It was my grandfather's helmet. At first I thought my grandfather was an electrician when he was young. Then my mother explained everything to me....
Grossartiges Film material. Unglaublich!
German soldiers had the sharpest-looking kit of WW2. The allies looked frumpy in comparison.
they were on the right side of history until they weren't.
we were all Stormtroopers out of the womb :-)
Правильная сторона истоии это насиловть тебч при помощи гранаты@@g_rr_tt
That rifle shot at the end is a loooooong stretch
Little did they know that 80 years later those helmets would be selling for thousands of dollars
Incroyable how was still craftsmen handwork not juste machine
焼き入れの装置が合理的で良いと思います❗️🔥
I'm a german fire fighter and we still use those helmets!
Well, not the plastic helmet... i mean the real ones!
Die Form ist ähnlich des Wk 2 Helmes. Der deutsche Feuerwehrhelm fällt zierlicher aus.
Mittlerweile ja weitestgehend auch Geschichte. Plastikcalimeros erfüllen die Richtlinien jetzt besser...😢
Absoluter Blödsinn! Keine Feuerwehr würde bewusst altes Zeug einsetzen! Das sind vielleicht Museumsstücke, aber keine PSA!
@@AlbonHamburg Mann, von der Form her...
@@guennibub Der Kommandant der Nachbarwehr durfte den Plastikhelm kennenlernen, als Glut auf den Helm flog und sich bis zur Kopfhaut durchbrannte. Ich weiß nicht wie, aber er hat uns die Wunde gezeigt.
@@Wiesel1 Das was du schreibst ist Blödsinn!
1. Schreibst du "the real ones"! und das ist Müll, da sich Stahlhelme aufheizen und somit untragbar werden!
2. Ich benutze einen Dräger Helm in der Firma und da brennt sich NICHTS durch! Ich habe schon diverse Male Eisenglut auf den Helm bekommen, da passiert nichts!
So ein Märchen mit der Glut auf die Kopfhaut! 🤣
Alot of handcrafting that's interesting
There is more handwork in more things than you might think.
the manufacturing quality is pretty good for something in the 1940s
Issue is the quality of the steel, supposedly a lot of German WW2 helmets despite looking awesome were awful in regards to metallurgy due to the strains on Germany because of the war.
What calibre did they test fire with .177 ?
Likely an 11mm lead bullet fired at subsonic velocity, there were special proofing rounds made for the purpose.
When I was in Germany I saw the Feuerwehrleute using these helmets. A German friend told me they had a lot left after the war and they didn't know what to do with them.
In some situation firefighter still use this DIN helmet. But it is in special aluminum league built.
Very interesting! Well done👍
Beautiful, industrial.
1:54 I dont think Stahlhelm can stop WW2 rifle round
Из них хорошие горшки под цветы делали в СССР. They were used to make good flower pots in the USSR. In der UdSSR wurden daraus gute Blumentöpfe hergestellt.
Ручки к ним приклепывали и черпак для говна из сортира делали в деревнях, а не цветочные горшки, сказочник.
Да для детский садов переделывали, детишки в них писали и какали,
Да для детский садов переделывали, детишки в них писали и какали,
Outstanding! Thank you for sharing.
lots of handwork for each helmet huh, didn't expect that.
Spray painting without a respirator. RIP.
当時のドイツ軍のヘルメットが、1番進んでいる様に素人目でも解る。ヘルメットの内側の映像は初めて見ました😮。ありがとうございます。
Bro how you can have such a cool video like this one?
It's really interesting and attractive scene.
We were still wearing metal helmets in the 1980's in the RAF! WWII issue!
In the 80's, here in San Diego, CA., there were military thrift stores with piles of British helmets from WW II; bins of desert tan, khaki, and RAF blue. I bought an RAF one in very nice shape, still have it.
0:52 funny how they were trying to make it look like the steel helmets are going in and out at an insane pace when they do have to heat up for a while anyways lmao
Imagine doing this 12 hours a day six days a week
"Do you want Total war?"
And for the little payment
@@arsonviburnums8453 the Nazis used slave labor. They didn't get any payment
@@arsonviburnums8453 German workers were paid well.
@@joemiller9931 yeah, yeah. Then why did Nazi ban the independence German unions?
Копатели военного железа пускают слюни, видя эти каски!
The most iconic symbol of WW2
The original Grandfather of Modern ballistic helmet design is German
1:33 oh shit here im thinking there where finly hand painted, there like stickers how cool is that
One of those now worth US$1000.
この動画探してました❗️工程が興味深いです。🙌
Como se hacían los casco en la segunda guerra.. muy bueno. saludos desde Jujuy Argentina.
wow es hermosa ver este tipo de manufacturación lastima el propósito que les dieron a tan hermosas piezas de ingeniería
Amazing footage.
A helmet so good even Darth Vader personally ordered his customized version.
Anyone knows what the purpose of the centrifuge at 1:15 is?
Что бы стекло масло под центробежной силой, то масло в котором закалка производилась
Still the best, and best-lookimg, helmet of WW2. Not perfect, but as close as you'll ever get for the time period.
Subscribed for the historical content
very cool video footage. I always wonder if any machines from such a factory have been preserved. and perhaps be exhibited in a museum somewhere?
I wonder how many of those middle aged and older men in the footage ended up wearing those 2-3 years later.
Pray for their souls
Before 1942 sound didn't exist.
A few slaves were shown, but it wasn't until 1942 when most of the regular factory workers were sent to the front, and replaced by slave labor.
May be all these workers are slaves)
German females are not working ^_^
and the soldiers believed that the helmet would stop a rifle bullet from entering point blank....hahahaha
Pro Tipp: Listen to ERIKA while watching this non-audi-video :-)
I had no idea they heat-treated their helmets.
👍👍
I can't think of any war steel of any kind off the top of my head that doesn't get heat-treated. Maybe the cans of beans
@@qoph1988 How about the sides of Hum-vees? Are they heat-treated?
@@michaelharrison8036The Americans are secretive when it comes to their armour technology, so who knows.
@@qoph1988 Stamped steel is usually low in carbon to facilitate the stamping process, it doesn't have enough carbon to Quench and Temper properly. I wish I knew what the grade of steel was they were using?
@@qoph1988 Also heat treated.