... ,BS NAME DIN carbon steel Flangestypeplate,slip-on,welding neck,threaded,socket weld,blind Size 1/2"-72"MaterialCarbon Steel, Stainless Steel, Alloy SteelTypes of ... , ASME, and ISO9001: 2000Applicationspetroleum, gas, chemical, metallurgy, electric station, shipbuilding, constructionSurface treatment transparent/Yellow/Black anti-rust paint,tranparent oil DIN carbon steel Flanges