42CRMO4 – BRIGHT BAR Grade Introduction:
42CrMo4 steel bright bar is an engineering alloy steel containing chromium and molybdenum. It falls in a class of low alloy steel. It has high fatigue strength, abrasion and impact resistance, toughness, and torsion strength. It can be heat treated in a number of ways to give it a superior combination of properties.
42CRMO4 – BRIGHT BAR Equivalent grades:
AISI 4140, SAE 4140, 42CrMo4, 42CrMoS4, Din 1.7225
The following table shows the chemical composition of 42CrMo4 steel:
Element |
C |
Si |
Mn |
S |
P |
Cr |
Mo |
Content(%) |
0.38-0.45 |
0.40 max |
0.60-0.90 |
0.035 max |
0.035 max |
0.90-1.20 |
0.15-0.30 |