ASME B16.47 large diameter A105 forging flange Types:Welding Neck Flanges Size:DN1000-DN8000 ... , DIN , EN, and customers' drawings for special use;Material Carbon steel, alloy steel, stainless steelPressure RatingsClass 150, 300, 600, 900, 1500 and ... services, Welcome international customers contact us directly ASME B16.47 large diameter A105 forging flange