ASTM a266 gr.4 flange Materials:S235JRG2/RST37.2, C22.8/P250GH, A105/SS400. Size: DN15-DN2500. ASTM a266 gr.4 flangeThe specification is as follows:1-American Standard:ANSI B 16.5, ASTM, ASA, API-605, AWWA-C207, MSS-SP44, A105, 150LB, 300LB, 600LB, 900LB, 1500LB, 2500LB, WNRN, SORF, BLRF, THRF, SWRF, LJRF, 2-German Standard:DIN2573, DIN2572, DIN2576, DIN2631, DIN2632, DIN2633, DIN2502, DIN2543, DIN2544, DIN2566, DIN2634, DIN2545, PN6, PN10, PN16, RST37.2, CC22.8 etc.;3-British Standard:BS4504, NP16, NP25, NP40, BS10, TABLE D, TABLE E, TABLE H, BS10, BS4504, SAN1123, 1000/3, 1600/3, 2500/3, T/D, T/E, T/F, AS2129, etc.4-Japanese (JIS) Standard:SS400, SF440, 5K, 10K, 16K, 20K, 30K, SDPFF, SOHFF, BLFF etc.5-Other standard:UNI2276, 2277, 2278, 6084, 6089, 6090, 2544, 2282, 6091-6093;EN1092, PN6, PN10, PN16, PN25, PN40, TYPE1, TYPE2, TYPE5, TYPE12, TYPE13, GOST12820-80, 12821-80, 2 1/2 (DN15) TO 80(DN2000;)Type: Welding Neck Flanges, Slip-on Flanges, Blind Flanges, Threaded Flanges, Lap-Joint Flanges, Socket Welding Flanges;OD Size: 1/2 inch -40 inches;Material: Carbon Steel, Stainless Steel and Special Alloy Steel;Pressure:75 bls to 2500 bls;Painting: Yellow, Black, oil and Zinc, Plate etc;Packing: by plywood cases or pallets for vessel transportation            

ASTM a266 gr.4 flange