... .9,,DIN 2605,JIS ,GB/T12459,GB/T134015) Material: stainless steel (304, 304L, 316, 316L, 321, 321H, 310S, 347H)6) Our products ... reducer, eccectric reducer, caps, stub end MATERIALcarbon steel , stainless steel, alloy steel, some special STANDARDANSI, ASME, API 5L, DIN, JIS, BS, GB, or ... , 3PE, RADIUS OF CURVATURE1D-10D CERTIFICATESISO-9001:2000, API, CCS, CE, TUVWUXI JIANGDIAN GUCHUAN METAL PIPE CO., ...