standard:AISI, ASTM, GB, DIN grade:2205 317 317L 316 316L 310 310S 321 304 ... mmMaterial Grade304, 304L, TP304, TP304L, 316L, TP316L, 321, F321, etc.StandardISO 9001/ ASTM A269/ A270/ A312/ A213, GB/T 14976/ GB/T 13296 ... / Hydrostatic/ Ultrasonic/ Intergranular Corrosion Or according to customers' requestApplicationFor use in the Petroleum, Chemical, Chemical fiber, Medical Machinery, Aerospace, Paper, ...