high manganese–1513 to 1566 alloy steels–1300 to 9700 oil-hardening cold work tool steels–01, 02, 06, 07 low alloy special purpose tool steels–L2, L6 shock resistant tool steels–S1, S2, S5, S6 ultra high-strength steels–4130, 4130H, 4130RH, 4340, 4340H, 300M, D-6a, 7D-6ac, 6150H, 8640
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