... / DIN / BS / JIS 2.150LB 300LB 600LB 900LB 150 3.SLIP-ON WELD NECK BLIND THREAD 1)Name: carbon steel flange ... &forged flanges2)Materials : ASTM A105,DIN ST37.2, ASTM A182- F304 ... the flanges are according to the ASTM, BS, DIN, JIS, EN, GB and customer's request.Ding Xiang county ... , i.e. ANSI ,API ,MSS ,AWWA , DIN ,JIS ,BS as well as GB ,which size 1/2"(DN15) ...