Metal treatment – Compositions – Heat treating
Patent
1975-07-11
1976-10-26
Stallard, W.
Metal treatment
Compositions
Heat treating
148 36, C21D 948
Patent
active
039881741
ABSTRACT:
A hot rolled steel sheet having excellent cold workability comprising not more than 0.10% of carbon, not more than 0.10% of silicon, not more than 0.50% of manganese, not more than 0.0080% of nitrogen, 0.003-not more than 0.080% of acid-soluble aluminum, 0.0020 - 0.0050% of boron, the balance being iron and unavoidable impurities.
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Nippon Steel Corporation
Stallard W.
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