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1.6565 1.6511 1.6582 36CrNiMo4 34CrNiMo6 alloy steel round bar manufacturer

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Product Description

40CrNiMoA, AISI 4340, Din 1.6582
Comparative standard	Grade	C	Si	Mn	Cr	Mo	V	W	P	S	Ni
GB	40CrNiMoA	0.36-0.44	0.10-0.350	0.45-0.70	1.10-1.40	0.20-0.35			0.03	0.02	1.30-1.7
AISI	4337/4340
JIS	SNCM8
DIN	34CrNiMo6/1.6582	0.34	max 0.40	0.65	1.50	0.23			0.03	0.03	1.50
Dimensions
Round bar
Dia:10mm~700mm					Length:2m~6m
Flat bar
Thickness:20mm~500mm					Length:2m~12m
*Dimensions can be customized
Heat Treatment
Normalizing				850-880°C				-
Stress Relieving				650°C				air cooling
Quenching				830-860°C				oil quenching
Tempering				540-660°C
1.Normalizing
Normalizing temperature : 850-880°C

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