Detailed Product Description 1)Type:steel pipes2)Size: OD: 13.7-660mm 1/4''-28'' WT: ... , ASTM-A106, ASTM-A53, SY5037-2000, GB/T9711.1-19974)Steel grade: Gr.A, Gr.B, A25, A25P, A, B, X42 ... , L4855)Package: Bundles, seaworthy wooden casesWith or without edge protector, steel hoop and seals, or as per customers' requirements6)Application range ...