ANSI welding neck flange: 1)Standard: ANSI, ASME, API , ... Carbon Steel, Stainless Stee ANSI welding neck flangeWe could provide you ANSI welding neck flange with fine quality at ... positive price.Product speficications:1)Product Name: welding neck flange2)Standard: ANSI, ASME, API , DIN, ... 72"4) Material : Carbon Steel, Stainless SteeThe welding neck flange is widely used in the oil or ...