... sanitation & industry materials. NameASTM-A554 Stainless Steel Welded PIpes ItemsSquare tubes, round tubes, oval pipes, special shaped pipes,empaistic pipes, fittingsStandardASTM A554 ... door,window, balcony,fence,bench,furniture,etcTestSquash test, extended test, water pressure test, crystal rot test, heat treatment, NDT Chemical ... HV)<105<100<90<90 ASTM A554 STAINLESS STEEL ROUND TUBES IN FOSHAN CITY