Alloy Structural Steel:

 

1) Alloy Structural Steel:SAE 4140/42CrMo4/1.7225

 

2. Chemical composition Alloy Structural Steel:

C:0.38~0.45       Si:≤0.40 Mn:0.60~0.90 S:≤0.035         P:≤0.035 Cr:0.90~1.20 Ni:≤0.030      Cu:≤0.030  Mo:0.15~0.3 

 

 

3.Process of Alloy Structural Steel:  EAF + LF + VD + Heat Treatment (optional)

 

4.Delivery condition of Alloy Structural Steel: Hot-rolled,black surface

 

 

5.Technical Data of Alloy Structural Steel: According to the customer's requirement of Chemical Composition, Physical Properties and Mechanical Testing

 

7.Test: ultrasonic test according to SEP 1921-84 3C/c

 

8.Material details will be as per agreed technical specifications