1)stainless steel welded pipe, 2)high quality,competitive price, 3)good aftersales service,etc., Product NameExecutiveDimensionSteel Code / Steel GradeIndustrial PipesASTM A312, A358, A778JIS G3459OD: 1/4"~40"WT: SCH5S~SCH80STP304, TP304L, TP316LSUS304TPTubes for Boiler and Heat-Exchanger, General Service TubingASTM A249, A269JIS G3463OD: 15.9~139.8mmWT: 1.6~5.0mmTP304, TP304L, ...