... Test Certificate 1.Details of Product stainless steel pipe cutting and beveling machine Tolerance a) Outer Diameter: +/- 0.2mmb) Thickness: +/- 0. ... ships building industry, petroleum & chemicalindustries,war and electricity industries,food processing and medical industry, boiler heat exchanger,machinery andhardware fields ... lSUS405405S4050026022Cr11TiSUH409409S4090027022Cr12SUSand beveling machine