... ,JIS ,BS ,ISO ,GB, SH, AND, SH ,etcmaterialCarbon Steel :ASTM A106/ A53 ASTM A 179 Gr.A/B, API5L ... customers can paint mark on the steel pipeapplicationsOil, natural gas, chemical industry, power plants, food manufacturing, construction, manufacture ship, ... gradeQ195,Q195L,Q235 and so on PackingPlastic steel pipe cap ,plastic bag, steel strip bundledCertificateAPI, CCS, ISO9001:2000Delivery PortTian ...