... ,12 4) Raw material: Q235, 35K, 45#, 40Mn2, 20Mnsi, 35CrMo, 40Cr, 42CrMo 5) Surface: plain (oil), black paint, color paint, ... Material: 38Si7, 60Si2CrA 3) Surface: plain (oil); black paint; color paint; zinc; hdg; etc8. Screw spike/sleeper screw/ dog ... drawings and samples. 5/83/47/815/161''4''-12' used AREMA, BS square spike, Twisted spike, ... 6 4.8 5.6 6.8 10.9 12.910. Tie plate/base plate/ rail plate/ ...