Polishing 42CrMo4 ASTM 4140 JIS SCM440 BS 708M40 NF 42CD4 High Speed Tool Steels Round Bars
Descrition:
Special alloy steel, engineering steel supplied in quenched and tempered conditions. Very good machinability. High toughness, creep strength, repeated impact resistance.
1) Round bar: Dia 16mm-800mm , Length can be customized.
2) Flat bar: Thickness: 16-500mm Width: 200-1300mm , Length can be customized.
3) Shaping: Hot forged / Hot rolled
4) Surface condition: Black surface/turning/milling/grinding/polishing
5) Annealing Hardness: HB241 Max
Applications:
Components with high requirements on toughness, e.g. gear wheels, pinions, connecting rods, parts for mechanical engineering.
Specifications:
42CrMo4 alloy steel round bars 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 |
Equivalent Grades :
|
GB |
DIN |
ASTM |
JIS |
BS |
NF |
|
42CrMo |
1.7225 |
4140 |
SCM440 |
708M40 |
42CD4 |
