1)stainless steel welded pipe, 2)high quality,competitive price, ... : 0.5~6.5mmMT304, MT304L, MT316L, MT430Grade 201, 202 as per mill's STDSUS304Square TubesASTM A554OD: ... 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 G3447OD ...