... Quality 4. Standard: JIS/AISI/ASTM/GB,etc Stainless steel hexagonal rod Grade: 201, 202, 301, 302, 304, 316,316L, 310S ... :1) Product name: Stainless Steel Bar( round, flat, angle, square, hexagonal bar).2) Standard: AISI,SUS,GB,JIS,ASTM,DIN etc ...