Metal treatment – Compositions – Heat treating
Patent
1987-12-02
1989-06-13
Rutledge, L. Dewayne
Metal treatment
Compositions
Heat treating
148 12C, 148 12D, 148 12F, 204 373, C21D 802
Patent
active
048389552
ABSTRACT:
Steel sheet manufactured from Al-killed continuous cast carbon-manganese steel and having a hardness in the range 57 to 73 HR30T is characterized by a content of 0.03 to 0.10% by weight C and 0.15 to 0.50% by weight Mn, and an amount Z in ppm of dissolved uncombined nitrogen given by
REFERENCES:
patent: 4698103 (1987-10-01), Hoogendoorn et al.
de Haas Maarten A.
Edelman Arie B. C.
Hoogendoorn Thomas M.
Kleijn Jan B.
Hoogovens Groep B.V.
Rutledge L. Dewayne
Wyszomierski George
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