... 2.WT:0.5mm~30mm 3.Material:201,304,316L,309S 4.TIG,PLASMA stainless steel tube Application: heat exchanger, boiler, condenser ... diameter: 12.7mm - 108mm3) Wall thickness: 0.5mm - 3.0mm4) Material: 304, 304L, 316, 316L, 321, 309S,310S etc.5) Surface ...