Carbon Steel Pipe Cap Size:1/2"-48" Wall thickness:Sch5-Sch160,XXS Carbon Steel Pipe Cap1.Material:A234-WPB.A420-WPL6.A234-WP12.A234-WP11.A234-WP5.A403-WP304.A403-WP304L.A403-WP316.A403-WP316L Carbon steel:20# A3 Q235A 20G 16Mn ASTM A234 ect2.Standard:ISO,SNSI,JIS,DIN,GB/T12459,GB/T13401,ASME B16.9.SH3408 SH3409,HG/T21635,HG/T21631,SY/T050103.Applications range:Petroleum,chemical,power,gas, ...