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Key terms: steel carbon carbon steel temperature heat carbon content ductility cooled process approximately heat treatment low structure higher hardness stress strength yield quenched results annealing mild austenite ferrite critical temperature tempering yield point pearlite iron alloy resistance internal mild steel normalized purpose hour increases manganese specified brittle salt bath internal stresses amounts relatively case hardening phase impact resistance properties cementite element process annealing wear Search external links cited by footnotes on Wikipedia page Carbon steel: |
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