... / oiled ,TENSION LEVELLERT SKIN PASS anti-fingerprint/Unanti-fingerprint, coating ,different colors…etcoiled / Un-oiled, bright oiled……APPLICATION Guardrails, ventilation ducts ... resistant steel, high-strength-steel plate structural use, commercial use……Different kinds of structural use, roofing, commercial use….etcSPECIALAPPLICATIONwear resistant steel ...