... rectangular tube ASTM A554, JISG3463. OD:10x20 -50x100mm, W.T.0.5-3.0mm Material: 201, 202, 301, 304, 304L stainless ... , 304, 304L, 316,316L3) OD: 10x20 -50x100mm, 4) Wall thickness: 0.5-3.0mm 5) Surface:polish, hairline, satin finish6) Application ... Allow the deviationASTM≤12.7±0.10>12.7-25.4±0.13>25.4-38.1±0.20>38.1-50.8 ... ±0.25>50.8-63.5±0.3>63.5-88.9±0.36>88.9-127±0.51JIS≤50±0.5>50±1 ...