welded stainless steel round pipe and tube 1.O.D:12.7mm-2200mm 2.WT:0.5-30mm 3.Technique:TIG,PLASMA 4.Delivery time:5-30days stainless steel pipe Application: heat exchanger, boiler, condenser, pressure vessel 1) Standard: ASTM A249, ASTM A312 / DIN174572) Outside diameter: 14mm - 108mm3) Wall thickness: 0.5mm - 3.0mm4) Material: 301, 304, 304L, 316, 316L, 321, 409, 430 etc.5) Surface: bright ...