... Round Bar 1.Standard:AISI,ASTM,GB,JIS 2.Grade:200,300,400 series 3.Diameter:6-360mm Stainless Steel Round ... , 304L, 316, 316L, 317, 317,310SStainless Steel Round Bar1) Diameter: from 3 mm to 240mm2) Main ... best attention all the time. type stainless steel round bar size3 mm to 240mmgrade321, 304, 304L ... 316L, 317, 317L,310s,904L etc.standard/ASTM/ASME/DIN/JIS and etccertificateISO,SGS,and third part ...