Stainless steel welded pipes/tubes 1.OD:12-100mm,pipe wall:0.6-4.0mm 2.standard: DIN,GB,JIS 3.material:304,304L,316,316L Stainless steel pipes/tubes1.OD:12-100mm,pipe wall:0.6-4.0mm2.standard: DIN,GB,JIS3.material:304,304L,316,316LThe Specification of PipeDIN EN-10312-1999Nominal Nominal OD WallSize Size(mm) (Inches)12 3/8 15 1.015 1/2 18 1.020 3/4 22 1.225 1 28 1.232 11/4 35 1.540 11/2 42 1.5 50 ...