GB 40CR alloy Steel

Posted:2018-07-18 16:05:34

GB 40CR alloy Steel is a high quality Quenched and Tempered Alloy Structural steel, It belong to the high quality low carbon,Low alloy chromium, molybdenum, nickel case hardening steel. GB 40CR alloy steel have good weldability with low cost, easy to process, good choice for modulation, cold heading die steel.

GB 40CR Chemical composition

	C	Si	Mn	Cr	Ni	P	S	CU
40Cr	0.37~0.44	0.17~0.37	0.50~0.80	0.80~1.10	≤0.030	≤0.035	≤0.035	≤0.030

GB 40CR Mechanical Properties

Sample blank size (mm): 25
Heat treatment:
First quenching temperature (° C): 850; coolant: oil
Second quenching temperature (° C): -
Tempering heating temperature (℃): 520; coolant: water, oil
40cr pipe roundwood
Tensile strength (σb / MPa): ≧ 980
Yield point (σs / MPa): ≧ 785
Elongation rate (δ5 /%): ≧ 9
Section shrinkage (ψ /%): ≧ 45
Impact absorbed energy (Aku2 / J): ≧ 47
Brinell hardness (HBS100/3000) (annealing or tempering state): ≦ 207

We promise we can offer you the qualified GB 40CR at the competitive price and rapid delivery time. We can produce as our customer's requirement. We keep many GB 40CR stock in our warehouse, So hereby, we sincerely hope you join us, let's join hands to make you be the No.1 in your local steel market.

InquiryPlease feel free to give your inquiry in the form below. we will reply you quickly!

Name:	*
E-mail:	*
Country:	*
Tel:

Company:
Language:
Product:	steel plate steel pipe shipbuilding steel
Message:	Please enter details such as Material, Specification, Quantity, Port, other requirments !

Link

steel plate