Trademark: Shougang Mill Commodity: Low price Seamless steel pipe Short Delivery Time: ... quality with high efficiency and annual supply capacity 1.5 million ton. And there are our own ... wall/Extra Strong. Size: OD16mm - OD426mm Wallthickness: 1.65mm-35.71mm /sch40-sch160/std Bundle, seaworthy ... API 5L,API5CT,ASTM A106,ANSI,ISO9001,DIN,EN,JIS. 1. Specification: SM400A, SM400B, SM490A, SM490B, SM520B, ...