... customer's demand also. ) 3) Length: According to customers' request. 4) Material: 304, 304L, 316L, 321, 310S, 410, 410S, 420, 420J1 ... , 202 5) Surface finish: NO. 1, 2B, BA, NO. 4, HL, 8k mirror, Certification ISO Standard: JIS, AISI, ASTM, GB, DIN, EN ...