316L Stainless Steel Round Bar 1.Standard:AISI,ASTM,GB,JIS 2.Grade:200,300,400 series 3.Diameter: ... Round Bar1) Outside Diameter: from 3 mm to 240mm2) Main Material: Grade : 321, 304, 304L, 316, 316L, 317, 317,310S3) Main ... , 304, 304L, 316, 316L, 317, 317L,310s,904L etc.standard/ASTM/ASME/DIN/JIS and etccertificateISO,SGS,and third part inspection ...