... steel pipeQuantity of product Annual productive output 15000MTPacking General bunch packing / wooden case / negotiating packingOutside diameter OD10.3-OD630(mm )Wall thickness ... ASTM347H,ASTM410,ASTM430, ASTM630,ASTM901L,ASTM904LSpecification GB/T14975-2002,GB/T14976-2002,GB13296-91,GB9948-88 ... Standard(Mpa)contactTianjin Cheng Gang Xing Ye Steel Pipe Sales Co.,LtdRoom 419, 4th Building, Beichen ...