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Standard ANSI, ASTM, API. DIN, GB. JIS. Material A106 Gr A, B, A53 Gr B, A333 Gr 6, A335 P11, A335 P22, TP304, TP321, TP316, TP304L, TP316L, A335 P5, ST37, ST35.8, ST52, 1.0309, OD 1/4"-40", 13mm-1000mm Read More