Large Diameter Flanges

Large Diameter Flanges. Wide Material Range: Carbon steel, stainless steel, alloy steel, duplex stainless steel, and nickel-based alloys. Extensive Size Coverage: Standard sizes from DN15 to DN4000mm, with custom sizes available up to 72 inches or longer. Global Standard Compliance: Meets ANSI, DIN, GB, JIS, GOST, BS, and ASME standards for diverse international applications. High Production Capacity: Annual production capacity exceeds 26,000 tons of various flanges and forgings. Comprehensive Quality Control: 100% inspection including UT, MT, PT, PMI, and mechanical property testing for defect-free products. Flexible Customization: Supports OEM/ODM services, including customization from samples, designs, and full customization. Multi-Industry Application: Suitable for petroleum, petrochemical, natural gas, nuclear power, and pressure vessel industries. Certified Manufacturing: Holds ISO 9001, ASME, PED, DNV, ABS, and other international quality and safety certifications.