low/high carbon steel wires, Φ6.5-20mm, JIS G3131 SPHC(Q195,Q215),JIS G3101 SS400(Q235), SAE1008-1018,20MNSi,45-80#,SWRH 66B,SWRH 77B,SWRH 82B. JIS G3131 SPHC(Q195,Q215): i) C: 015 max ii) Si: 0.60 max iii) Mn: 0.30 max iv) P: 0.045 max JIS G3101 SS400(Q235): i) C: 0.12-0.22 ii) Si: 0.30-0.70 iii) Mn: 0.30 max iv) P: 0.045 max. HRB335 (20MnSi): i) C: 0.17-0.25 ii) Si: 0.40-0.80 iii) Mn: 1.20-1.60 iv) P: 0.045 max. v) S: 0.045 max. 45#: C 0.42-0.50, Si 0.17-0.37, Mn 0.50-0.80, P<=0.035, S<=0.035, Cr<=0.25, Ni<=0.30,Cu<=0.25. SWRH 77B: C0.74~0.81, Si0.15~0.35, MN0.60~0.90, P0.040 max, S0.030 max. SWRH 82B: C0.79~0.86,Si0.15~0.35, MN0.60~0.90, P0.040 max, S0.030 max.