Industrial Flanges
Premium quality flanges manufactured to meet international standards
Premium Industrial Flanges
Starlight Tubes supplies high-quality industrial flanges that meet international standards. Our flanges are engineered for superior performance, durability, and leak-proof connections in demanding industrial applications including oil & gas, petrochemical, and power generation.
Available in various materials including stainless steel, carbon steel, alloy steel, and nickel alloys, our flanges undergo rigorous quality testing to ensure compliance with ASTM, ASME, and international specifications.
Technical Specifications
ASTM / ASME CompliantTechnical Specifications — ASME B16.5 & B16.47 Forged Flanges
Pressure-temperature ratings, forging materials, and facing dimensions for ASME B16.5 forged pipe flanges
| Material Category | ASTM Standard | Common Grades | Flange Types |
|---|---|---|---|
| Carbon Steel | ASTM A105 | A105 Normalized | WNRF, SORF, BLRF, Threaded, SW, Lap Joint |
| Low-Temperature | ASTM A350 | LF2 Class 1 | WNRF, BLRF, SORF (-46°C Impact Tested) |
| Stainless Steel | ASTM A182 | F304/304L, F316/316L, F321, F347, F310 | WNRF, BLRF, SORF, RTJ |
| Duplex & Super Duplex | ASTM A182 | F51 (2205), F53 (2507), F55 (Zeron 100) | WNRF, BLRF, RTJ (Class 150-2500) |
| Nickel Alloys | ASTM B564 | UNS N06625, N04400, N10276, N08825 | WNRF, BLRF, RTJ (Class 150-2500) |
Explore Complementary Grades & Fittings
Discover matching tubular components, high-pressure fittings, and companion alloys for your piping project
Cap Fittings
Premium quality cap fittings for pipe end sealing
Tee Fittings
Premium quality tee fittings for branching connections
Pipe Fittings
Premium quality pipe fittings for industrial applications
Butt Weld Fittings
Premium quality butt weld fittings for high-pressure applications
Your Trusted Flange Supplier
Starlight Tubes delivers premium flanges with unmatched quality and reliability for all your industrial piping needs.
Frequently Asked Questions on Industrial Flanges
Key engineering, tolerance, and international compliance answers from our metallurgical quality desk.
We offer weld neck, slip-on, blind, socket weld, threaded, lap joint, and orifice flanges in pressure classes 150 to 2500. Available in ANSI, DIN, and JIS standards in stainless steel, carbon steel, and alloy steel.
Request Project Quotation for Industrial Flanges
Submit your required sizes, wall thicknesses, material grades, and total tonnage. Our technical sales engineers respond with complete mill pricing and lead times within 24 hours.