... ,BS ,ISO ,GB, SH, AND, SH ,etcmaterialCarbon Steel :ASTM A106/ A53 ASTM A 179 Gr.A/B, API5L Grade X42/X46/X52 ... painting , Anti-rust varnish, Anti-rust oil , Hot-galvanized , Cold galvanized ,3PE, EPOXY coating, FBE, etcspray word processingAccording to the ... 450C) etcSteel gradeQ195,Q195L,Q235 and so on PackingPlastic steel pipe cap ,plastic bag, steel strip bundledCertificateAPI, CCS, ISO9001: ...