astm standard stainless steel welded pipe 1)O.D:15mm-1500mm W.T:0.8mm ... ,321,304,304L,316,316L,317 astm standard stainless steel welded pipeFeatures:1) pipe diameter : 15mm-1500mm pipe thickness : 0.8mm ... Grade : 301, 321, 304, 304L, 316, 316L, 317, 317L3) Standards: GB/ASTM/ASME/DIN/JIS 4) Applications range: for use in ... case, or as per customers' requirements astm standard stainless steel welded pipe