... (depending on models) 2.MATERIAL: ASTM C84400 / C83600 3.ELBOW 90, ELBOW 45, ELBOW REDUCING, TEE, TEE REDUCING, SERVICE TEE, STREET ... ELBOW, STREET ELBOW 45, 4.ELBOW 90 MXM, COUPLINGS, COUPLING REDUCING, CROSS, CAP, PLUG, HEX. BUSING, ... . Engaging in machining mechannical parts for 20 years make us professional.4. Certificate: ISO 9001-2000, ISO 9001-2008Process Flow ...