SEAMLESS AND WELDED STEEL PIPE FOR LOW TEMPERTURE SERVICE OD.6-1219 WT.1-80 mm HIGH QUALITY AND COMPETITIVE PRICE SEAMLESS AND WELDED STEEL PIPE FOR LOW-TEMPERTURE SERVICE SpecificationOD: 6mm-630mmWT: 1mm-50mmStandardAPI5L ,EN1026-1 ,EN10216-2, DIN17175, ASME106 ,ASME213, BS3087, JIS G3461 ,JIS G3462GradeAPI 5L GR.B, ASTM A333GR1,GR3,GR6,GR7,ASTM A106 ,ASTM A53GR.BJIS G3445 STKM11A STKM12A ...