60SiCr7 55Cr 60Si2CrA spring steel bar

we can supply you the spring steel (GB standard) : 65#, 70#, 85#, 65Mn, 55SiMnVB, 60Si2Mn, 60Si2MnA, 60Si2CrA, 60Si2CrVA

Hot  rolled  spring  steel  round  bar

 

Grade	C	Si	Mn	S	P	Cr	B
55Si7	0.42-0.60	1.50-2.00	0.60-0.90	Max 0.030	Max 0.030		0.0008-0.0030
60Si7	0.57-0.64	1.50-2.00	0.60-0.90	Max 0.030	Max 0.030		0.0008-0.0030
60SiCr7	0.56-0.64	1.60-2.00	0.70-1.00	Max 0.025	Max 0.025	0.20-0.40
55Cr3	0.52-0.59	Max  0.40	0.70-1.00	Max 0.025	Max 0.025	0.70-1.00

 

we can supply you the spring steel (GB standard) : 65#,  70#,  85#, 65Mn, 55SiMnVB, 60Si2Mn, 60Si2MnA,  60Si2CrA, 60Si2CrVA, 55SiCrA, 55CrMnA, 60CrMnA, 50CrVA, 60CrMnBA, 30W4Cr2VAGrade: 55Cr3, 51CrV4, 60Si2Mn4 etc.

Dimension

    Rounds: Hot rolled dia.11-90mm, Cold drawn dia.5-50mm

    Flats: 6-32mm * 44.5-150mm

Delivery condition: EAF+LF+VD, Hot rolled / Cold drawn, Black / Peeled

Application: Auto manufacture, spring wire

With the short stress production line that can finish foundry and rolling in one process, we are able to produce dozens type of spring flat steel from 6*40mm to 20*150mm.

60SiCr7 55Cr 60Si2CrA spring steel bar