CS SMLS pipe: 1.Standard: API 5CT-0735 & ISO9001:2008 & ISO24001. ... "- 13 3/8" 3.OD: 114.30 - 339.72 mm CS SMLS pipe: variety sizes, high quality, reasonable price and the ... certificate of ISO9001,ISO24001 CS SMLS pipe:Business TypeManufacturerProduct DescriptionSeamless Steel PipeSpecificationChinese StandardAmerican StandardGerman Standard10 ...