1.Equipments and Technique: Electric Arc Furnace, Ladle Furnace, Vacuum Degasser
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2. Product Information
1).Composition:
C | Si | Mn | Cr | Mo | P | S |
0.38-0.43 | 0.15-0.35 | 0.75-1.00 | 0.8-1.10 | 0.15-0.25 | <0.035 | <0.04 |
2). Equivalent Grades :
GB | DIN | ASTM | JIS | BS | NF |
42CrMo | 1.7225 | 4140 | SCM440 | 708M40 | 42CD4 |
3). Dia.:25mm-450mm
4). Smelting Process:
EAF+LF+VD
Note:EAF=Electric Arc Furnace; LF=Ladle Furnace; VD=Vacuum Degassing;
5). Properties of special alloy steel bars scm440:
Special alloy steel, engineering steel supplied in quenched and tempered conditions. Very good machinability. High toughness, creep strength, repeated impact resistance.
6). Application of 4special alloy steel bars scm440:
Components with high requirements on toughness, e.g. gear wheels, pinions, connecting rods, parts for mechanical engineering.
3. Pictures
Production Equipment
Processing EquipmentProduction Equipment
Black Steels
Peeling Steels
finished steel
Testing Equipment
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