Gl Railway Steel Rail

Product Description

For 60Si2Mn: C: 0.56-0.64, Mn: 0.60-0.90, Si: 1.60-2.00, Cr: a 0.35, P: a 0.03, S: a 0.03 For 60Si2Cr: C: 0.56-0.64, Mn: 0.40-0.70, Si: 1.40-1.80, Cr: 0.70-1.00, P: a 0.03, S: a 0.03 For 55Si2Mn: C: 0.52-0.60, Mn: 0.60-0.90, Si: 1.50-2.00, Cr: a 0.35, P: a 0.03, S: a 0.03 For 38Si7: C: 0.35-0.42, Mn: 0.50-0.80, Si: 1.50-1.80, P: a 0.03, S: a 0.03 Hardness: For E clip: 44-48HRC For SKL clip: 42-47HRC Fatigue Life: For Dia.18, it is 3 million cycles without breaking Surface: Options include plain (oiled), Oxide black, color painting, HDG, Zinc Plating... Standard Refers: DIN17221, BS970, GB/T1222