... Slip-on, Plate, Blind. 4) Certification:ISO9001 Carbon Steel Flange: Type:Welding-neck, Slip-on, Plate, Blind. ... products are as follows: 1.DIN carbon steel flangesMaterial:Rst37.2,St37.2,C22.8)DIN2573 ... ,DIN2638 PN160, 2. ANSI B16.5 carbon steel forged flanges,(Material A105,Q235)150LB,300LB,400LB ... products are mainly export to Korea,Japan,Italy,America ,Southeast Asia and any other countries and areas ...