... ASTM A653M / A924M 1998 2) With excellent weather resistance 3) Suitable for ... scaffolding, purlin, gurdrail, suspension bar for ceiling and so on 4) Specification: SGCC, SGCH, ... 7) Zinc coating: Z08, Z12, Z18, Z20, Z22, Z25, Z27 8) Surface finish: Regular ... Steel sheets are mainly used in shipbuilding, offshore platform, boiler, pressure vessel, pipeline, high building,etc. Zinc coated Stainless steel ...