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#30
12-06-17, 15:16
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hardening
Low carbon mild steel: normally it isn't suitable for heating/quenching . MS is usually case/surface hardened in an oven with charcoal or casenite powder. For small items a flame and hardening powder is suitable. These days you can buy the modern less hazardous case hardening powder , they used nasty stuff years ago with cyanide or something in it. The TAFE I went to, they had "casenite" hardening powder and a big oven .
The higher carbon steels suitable for quenching have special elements added , its a science on its own and its a complicated topic !
__________________
1940 cab 11 C8 1940 Morris-Commercial PU 1941 Morris-Commercial CS8 1940 Chev. 15cwt GS Van ( Aust.) 1942-45 Jeep salad 
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