flange 1.material:carbon steel,stainless steel 2.types:slip on,welding nect,blind,threaded 3.standard ... trust of our customers . Our main products are: stainless steel bar, angle steel, channel , flatsteel, light round, hexagonal bar, square bar, ... sheet,strip, pipe, flange fittings, fasteners, construction accessories etc.stainless steel products. We will always take the policy of "excellent quality ...