Forged Steel Flanges

High-quality forged alloy steel weld neck flange, ASTM A182 F11, Class 400, with MFM facing. Custom sizes available. Durable, corrosion-resistant, ideal for high-pressure piping in petrochemical and construction industries.

High-strength forged alloy steel weld neck flange rated Class 2500. Meets ASTM A182 and ASME B16.5 standards. Available in custom sizes and materials. Ideal for high-pressure petrochemical and industrial piping systems.

High-strength weld neck flange for high-pressure systems. Made from forged alloy steel per ASTM A182 F11. Features 4 inch size, Class 2500 rating, and raised face. Customizable for various industrial applications. Durable and reliable.

High-strength forged alloy steel weld neck flange per ASTM A182 F11, Class 1500, 1/2 inch, raised face. Meets ASME B16.5 standards. Offers excellent durability and corrosion resistance for high-pressure applications. Custom sizes and certifications available.

High-quality weld neck flange per ASTM A182 F11, Class 150, 1-inch raised face. Custom forged alloy steel ensures durability and leak-proof performance. Ideal for high-pressure piping systems. Available in various sizes and types. Contact us for competitive pricing.

High-strength 8 inch alloy steel weld neck flange rated Class 600. Manufactured to ASTM A182 F11 and ASME B16.5 standards with MFM facing. Ideal for high-pressure oil and gas pipelines. Offers excellent durability, corrosion resistance, and custom sizing options.

High-strength alloy steel weld neck flange for oil and gas pipelines. Features 415MPa tensile strength, 205MPa yield, and MFM facing. Certified to ASTM A182 and ASME B16.5 standards. Custom sizes and packaging available for global export.

High-strength alloy steel weld neck flange for oil and gas pipelines. Features 415MPa tensile strength, 205MPa yield, and raised face design. Available in custom sizes. Ideal for high-pressure systems.

High-quality forged steel weld neck flange per ASTM A182 F11 Class 1. Designed for oil and gas pipelines with 150 LB raised face. Meets ASME B16.5 standards for reliable performance in high-pressure applications.

High-performance Alloy 31 (1.4562) SO flange per ASTM B564. Excellent resistance to aggressive media including seawater and flue gas. PREN ≥ 48. Certified for pressure vessels from -196°C to 550°C. Custom sizes available.

Alloy 31 UNS N08031 flanges offer outstanding corrosion resistance in halide and sulfuric acid media. Certified to ASTM B564, suitable for pressure vessels from -196°C to 550°C. Available in sizes 1/2-24 inch, Class 150-1500. Custom options supported.

High temperature forged stainless steel flange for pipe connection. Durable, corrosion resistant, precise sizing. OEM service, custom machining, small orders accepted. ISO9001 certified. Weight 0.02-30kg.

High-quality forged blind flange in F321/321H stainless steel, rated CL300. Suitable for petroleum, chemical, and power industries. ISO certified, customizable sizes from 1 to 120 inch, with various facing options. Durable and corrosion-resistant.

High-precision blind flange with +/-0.05mm tolerance, CNC machined from stainless steel, aluminum, or brass. Custom sizes from 1-6000mm OD. ISO9001 certified, with surface treatment options. Ideal for pipe systems in industrial applications.

High-quality forged WN flange in SUS 316Ti stainless steel. Complies with ASME B16.5, DIN, and JIS standards. Available in pressure classes 150-2500# and sizes 1/2-24 inch. Features excellent corrosion resistance and durability. Custom sealing faces and coatings offered. Ideal for industrial piping systems.

Durable forged carbon steel threaded flange in ANSI and DIN standards. Galvanized finish resists corrosion. Supports Class 150 to 2500 pressure ratings. Custom sizes and face types available. ISO certified for reliable industrial pipeline connections.

High-strength super duplex stainless steel butt weld flange, ASME B16.9 standard. Excellent corrosion and heat resistance. Available in 2, 4, 6, 8 inch sizes. Certified API, ISO, CE. Custom options and global shipping supported.

High-quality CuNi 7030 welding neck flange, 2 inch size with 150# pressure rating. Ideal for pipe connections in marine and industrial systems. Features sandblasted finish, multiple standards (ANSI, DIN, JIS), and customizable packaging. Durable, corrosion-resistant, and available with low MOQ.

High-quality copper alloy CUNI 7030 WN flange, 10-inch size, 300# pressure rating, ANSI B16.48 standard. Forged construction ensures durability and leak-proof performance. Ideal for oil, water, and industrial applications. Certifications: SGS, PDE, CCS. Custom sizes and materials available.

High-pressure integral flange with extended neck for reduced stress at weld. Made from premium stainless steel, carbon steel, or alloy. Meets ANSI/ASME B16.5 standards. Custom sizes and materials available for demanding industrial applications.