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