60Si2Mn spring steel flat bar for blade 1)ISO9001,BV Certificates 2)Payment: L/C,T/T 3)Delivery time: 1 week 4)Size: 12*80mm

60Si2Mn spring steel flat bar for blade

Specification:

Material : 65MN,60Si2Mn,55CrMnA,SUP7,SUP9,SUP10,50CrVA

Standards: GB/T 1222-2007,JISG 48001:2005

Thickness: 4MM-40MM,

Width: 35MM-175MM,

Length: mainly according export length 6000mm.

 Chemical Composition:

Chemical Composition Chart
Grade	Chemical Composition %
	C	S1	Mn	Cr	V	W	B	N1	Cua	P	S
								Less than
65	0.62-0.70	0.17-0.37	0.50-0.80	≤0.25				0.25	0.25	0.035	0.035
70	0.62-0.75	0.17-0.37	0.50-0.80	≤0.25				0.25	0.25	0.035	0.035
85	0.82-0.90	0.17-0.37	0.50-0.80	≤0.25				0.25	0.25	0.035	0.035
65Mn	0.62-0.70	0.17-0.37	0.90-1.20	≤0.25				0.25	0.25	0.035	0.035
55S1MnVB	0.52-0.60	0.17-1.00	1.00-1.30	≤0.35	0.08-0.16		0.0005-0.0035	0.35	0.25	0.035	0.035
60S12Mn	0.56-0.64	1.50-2.00	0.70-1.00	≤0.35				0.35	0.25	0.035	0.035
60S12MnA	0.56-0.64	1.60-2.00	0.70-1.00	≤0.35				0.35	0.25	0.035	0.035
60S12CrA	0.56-0.64	1.40-1.80	0.40-0.70	0.70-1.00				0.35	0.25	0.035	0.035
60S12CrVA	0.56-0.64	1.40-1.80	0.40-0.70	0.90-1.20	0.10-0.20			0.35	0.25	0.035	0.035
55S1CrA	0.51-0.59	1.20-1.60	0.50-0.80	0.50-0.80				0.35	0.25	0.035	0.035
55CrMnA	0.52-0.60	0.17-0.37	0.65-0.95	0.65-0.95				0.35	0.25	0.035	0.035
60CrMnA	0.56-0.64	0.17-0.37	0.70-1.00	0.70-1.00				0.35	0.25	0.035	0.035
50CrMnA	0.46-0.54	0.17-0.37	0.50-0.80	0.80-1.10	0.10-0.20			0.35	0.25	0.035	0.035
60CrMnBA	0.56-0.64	0.17-0.37	0.70-1.00	0.70-1.00			0.0005-0.0040	0.35	0.25	0.035	0.035
30W4Cr2VA	0.26-0.34	0.17-0.37	≤0.40	2.00-2.50	0.50-0.80	4.00-4.50		0.35	0.25	0.035	0.035