Standard: UIC, DIN, BS, ASTM Raw material: Q235, 35K, 45#, 40Mn2, 20MnSi, 35CrMo, 40Cr, 42CrMo, etc Grade: 4.6, 4.8, 5.6, 8.8, 10.9, 12.9 Surface: plain (oil), black paint, color paint, zinc, hdg, etc Packing: 25kg double-layer woven bag + free fumigation wooden pallet or packing among the customer per requirements.