Steel Making By Hand (1949)
ฝัง
- เผยแพร่เมื่อ 5 ก.ย. 2024
- Unissued / Unused material.
Handmade steel at Huntsman steelworks. Attercliffe, Sheffield, Yorkshire.
Various shots George Goodwin's feet stamping on mould (pot matting). Various shots George Goodwin slicing, weighing and balling. CU's Goodwin balling. LS Goodwin shaping. CU as he puts clay into mould. Various shots final moulding into shape. Various shots storing the pots. LS pots on storage shelves.
CU small furnace. LS bar being pulled from furnace, pan to machine hammering bar. CU worker. CU forge operator at work. Various shots pots from furnace carried to bench, Various shots molten liquid poured into moulds. CU man taking pots to furnace. CU worker sweating. CU's man looking through an instrument. CU worker.
Used in NP 234.
FILM ID:2539.22
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Great footage, that first bit
Ahahaha
I'm exhausted just watching that ! Heroes.
That guys ripped!
Thirsty work! Tough blokes them
amazing !
no gloves... that steel is so hot, just holding it with the tongs with no gloves, the radiant heat is enough to burn. These guys are tough as nails
Nice.
I want to know from what they making that crucible
Let me know when you find out...I've been trying to find that info for a while. Closest I can get is a patent in India that's still protected
normal clay. no special recipes.
@@fettmaneiii4439 LMAO please define "Normal Clay" clearly you have no idea what you're talking about.
Fz knifemaking is a channel here on TH-cam that has a tutorial on how to make a crucible for making steel. He also has a number of videos using that steel to make knives. Check that out. Even if it isn't 100% accurate, it's tried and tested.
Hey, I have experimented a lot with homemade crucibles to melt Wootz steel and the formula that I found works is:
+55% finely ground firebrick(the hard type) Grog (better to use aluminum oxide powder or silicon carbide powder but more expensive).
+ 45% chammote clay also known as fireclay.
And then you calculate 10% of the weight of the chammote clay and add that percentage of weight of charcoal ground into powder(graphite powder is better but more expensive).
All of this is measured by weight, for example if you want to make 500 grams of mix you would use 225 grams of chammote/fireclay, 22.5 grams of ground charcoal or graphite powder and 275grams of firebrick grog/aluminum oxide/silicon carbide.
You also need to make a mould for the crucible to make sure it's all evenly formed otherwise it will crack during firing.
Also the crucible must be fired slowly at first to avoid cracking.
Alternatively you could try using 60% graphite powder and 40% fireclay as this is a commercial recipe for clay-graphite crucibles, however I have not experimented with it and can't say how it plays out.
Feel free to ask any questions.
looks like slapstig with Buster Keaton, but is real life in UK 1949......
maybe Ausschwitz?
Someone know about from what they making that crucible plz
Looks to be a basic ceramic crucible made of clay, just missing the footage where it was fired in a kiln before being used.
clay
@@fettmaneiii4439 Even porcelain will slump before reaching the melting temperature of steel, additives such as powdered graphite and finely ground silica are needed to reach those higher temperatures.
@@SamAlderDesign Graphite crucible will react with the iron, so won't be suitable for making crucible steel. The special clay that they use is essentially almost pure aluminum silicate that won't melt until 1700'C or more. It should also be noted that the crucibles would only last 2-3 firings before cracking from the heat and handling. They needed to be replaced constantly, hence a reason why crucible steel cost so much to produce.
PPE? LOL Yeah right
I read somewhere that they wore rags soaked in water on their legs-- hence the steam.
The guy pulling the crucible out of the furnace is called (appropriately) the "puller-out".
The one who pours it is called the "teemer".
My guess is that they are making high-carbon shear steel for cutlery, cutting tools, etc.
A lot of the old terminology is now gone. Words such as d'work, d'rent, knicker-peckers, double-handed forging, and stiddy are now unknown.
Imagine DEI hiring here?
Africans invented this process bro
@@drekelley2352 Africans also invented the process of living for generations on welfare, while seeking reparations for what happened to their ancestors, all the while being responsible for the highest percentage of violent crimes in America at the same time as being a minority. That's disturbing. Btw... Who's your daddy?
@@drekelley2352 African Americans also invented generational welfare/government assisted living, after fighting for equality, civil rights and the right to vote. Also, commit the highest percentage of violent crimes as a minority group. All the while, demanding reparations for crimes against your ancestors. What did Africans do with the steel making process? What did they produce?
@@drekelley2352 what did they invent it for? What were they producing with steel?
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its making clay pots and drop forging metal/iron then casting iron. - NOT MAKING STEEL
It's crucible steel.
@@branni6538 do you know what the materials made of plz
it ain't "modern", mild (ie low carbon) steel they're working there it's the older (high carbon) crucible steel that Sheffield was famous for. . perhaps not as good as some modern steels...but it's quite possible to put a heck of a sharp edge on it..
they put what measured weights of broken up "cementation process steel" and other ingredients, into the clay crucibles, and that went into furnace for melting into ingots of cruicible steel, and further forming.