Safon: DIN, ASTM / ANSI JIS EN ISO, UG, GBDur Di-staen: SS201, SS303, SS304, SS316, SS316L, SS904L, SS31803Deunydd Dur Gradd: DIN: Gr.4.6,4.8,5.6,5.8,8.8,10.9,12.9;SAE: Gr.2,5,8;ASTM: 307A, 307B, A325, A394, A490, A449,