1. Type: Welding Neck flanges, Slip On Flanges, Blind Flanges, Joint Flanges, Socket Welding Flanges, Threaded Flanges, Plate Flanges 2. Materials: ASTM A105, DIN ST37.2 ASTM A182-F304, F304L, F316, F316L, Q235 , 20#, 20Mn, 16Mn; 3. Standard: ANSI B16.5, B16.47, MSS SP-44, API, DIN, JIS, HG, GB, JB etc. 4. Rating: ANSI 150LBS-2500LBS, DIN PN6-PN160, JIS 5K-30K, PN0.25-PN25 PN2.0-PN42.0 5. Size: 1/2"--60" 6. my email is ericaleir at hotmail dot com