GB/T 3077 20Cr alloy steel

Posted:2018-07-18 16:03:38

GB 20Cr alloy Steel is a high quality Alloy Structural steel, It belong to the high quality low carbon,Low alloy chromium, molybdenum, nickel case hardening steel. 20Cr has high strength and hardenability, the critical quenching diameter in oil ranges from 4mm to 22mm.

GB 20CR steel chemical composition

C	Si	Mn	Cr	Ni	Cu	P	S
				≤		≤
0.18～0.24	0.17～0.37	0.50～0.80	0.70～1.00	0.03		0.035

GB 20CR alloy steel mechanical property

Tensile Strength(σb/MPa)	Yield point(σs/MPa)	Elongation(δ5/%)	Reduction of Area(ψ/%)	Impact Absorbing Energy(Aku2/J)	Brinell Hardness(HBS100/3000)
					Annealing or High Tempering
≥835	≥540	≥10	≥40	≥47	≤179

Katalor is the professional Chinese GB 20CR supplier .If you want to know the price and any other information about GB 20CR price, please be free to contact us.

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