... "----72" )Thickness: sch 5s-----160Standard: GB, ANIS, JIS, BS, DIN,Material: carbon steel , stainless steel, alloy steelPacking: wooden cases or according ... environment protection, etc Note:Carbon steel: 10#,20#,A3, 20G.16Mn,ASTM A234,ASTM A105and so on.Stainlesssteel:ASTMA403,1Cr18Ni9Ti,0Cr18Ni9,00Cr19Ni10,00Cr17Ni14Mo2 ...