Grade	C	Si	Mn	P	S	Others
Spring Steel Wire Rod
65Mn	0.62-0.70	0.17-0.37	0.90-1.20	≤0.035	≤0.035	Cr: ≤0.25,Ni:≤0.25, Cu: ≤0.25
60Si2MnA	0.56-0.64	1.60-2.00	0.60-0.90	≤0.030	≤0.030	Cr: ≤0.35,Ni:≤0.35, Cu: ≤0.25
B55SiCr	0.51-0.59	1.40-1.60	0.60-0.80	≤0.025	≤0.025	Cr: 0.60-0.80,Ni: ≤0.25.Cu: ≤0.20
60Si2CrA	0.56-0.64	1.40-1.80	0.40-0.70	≤0.020	≤0.020	Cr:0.70-1.00
60 Si2CrVAT*	0.56-0.64	1.40-1.80	0.40-0.70	≤0.020	≤0.020	Cr: 0.90-1.20,V:0.10-0.20. Ni: ≤0.35.Cu: ≤0.20
50CrVA	0.46-0.54	0.17-0.37	0.50-0.80	≤0.025	≤0.025	Cr: 0.80-1.10,V:0.10-0.20. Ni: ≤0.25.Cu: ≤0.20
B55SiCrV	0.51-0.59	1.20-1.60	0.60-0.80	≤0.025	≤0.025	Cr: 0.60-0.80,V:0.15-0.25. Cu: ≤0.12