steel flange 1.size:1/2"-64" 2.PN:PN6,10,16,25,40,100 3.material ... B16.47 FLANGESize range: 1/2" to 80" DN15 to DN2000Design: welding neck, slip on, blind, socket welding, threaded, lap-jointPressure: ... loose flange DIN 2641,2642,2656,2673Material: carbon steel ST37.2, stainless steel 1.4301, 1.4404Coating: rust-proof oil, ... sea worthy plywooden case, wooden pallet AS2129 Table D Socket Welding Flange