1)stainless steel welded pipe, 2)high quality,competitive price, 3)good aftersales service,etc., Product NameExecutiveDimensionSteel Code / Steel GradeIndustrial PipesASTM A312, ... 150x150mmWT: 0.7~6.5mmMT304, MT304L, MT316L,MT430Grade 201, 202 as per mill's STDRectangular TubesASTM A554OD: ... 100x200mmWT: 0.7~6.5mmMT304, MT304L, MT316L,MT430Grade 201, 202 as per mill's STDSanitary TubingASTM A270JIS ...