UDC 669.15 26 GB 5685-85 Nirtogen-bearing ferrochromium 1 1.1 1.1.1 % Cr N C Si P S FeNCr3-A FeNCr3-B FeNCr6-A FeNCr6-B FeNCr10-A FeNCr10B 60.0 3.0 5.0 3.0 5.0 3.0 5.0 0.03 0.03 0.06 0.06 0.10 0.10 1.5 2.5 1.5 2.5 1.5 2.5 0.03 0.04 A B 3.0% B 1.1.2 1.2 1.2.1 1.2.2 15kg 10mm 10mm 10% 2 2.1 GB 4010-83 2.2 GB 4332-84 1985-12-04 1986-10-01 2.3 GB 5687.15687.4-85 3 3.1 GB 3650-83 3.2 100kg 0.5% 4 GB 3650-83
