SAE 4140 steel pipe Chemical composition

SAE 4140  steel pipe material is a high quality Quenched and Tempered Alloy Structural steel, SAE 4140  steel pipe belong to the high quality medium carbon alloy steel, Oil Quenched & Tempered Hardenss is 28-34 HRc.SAE 4140  steel pipe Annealing delivery hardenss less than 250HB.

SAE 4140 steel pipe Specification
Thickness:0.5 - 150 mm
Outer Diameter:6 - 1020 mm
SAE 4140 steel pipe Chemical composition(%)
Fe:96.785-97.77 Cr:0.80-1.10 Mn:0.75-1.0 C:0.380-0.430 Si:0.15-0.30 Mo:0.15-0.25 S≤0.040 P≤0.035
SAE 4140 steel pipe Mechanical properties
Tensile strength Mpa:655 Yield strength Mpa:415 Elongation(%):25.70
SAE 4140  steel pipe Equivalent material 
1.Japanese JIS SCM440 alloy steel  
2.Germany DIN WN-r 1.7255 / 42CrMo4 steel alloy 
3.China  GB 42CrMo steel 
4.British BS 708M40
We can supply SAE 4140  steel pipe,SAE 4140  steel pipe is main products of BBN Steel.If you have steel needs,pls contact me freely.

Henan BEBON Iron & Steel Co., Ltd
Name:Nicole Cui
Email:sales2@bebonchina.com or queenasteelss@gmail.com
Skype:queenasteelss@gmail.com
Whatsapp:+8615290672372