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Industrial Butt-Weld Pipe Fittings

Pipe Fittings

Horizon Steel N Alloysupplies an extensive inventory of high-strength industrial pipe fittings engineered to alter fluid direction, adapt line sizes, or safely branch piping systems. Our components are manufactured to rigid dimensional tolerances, ensuring seamless joint alignment and zero-leakage performance under structural stresses.

  • Butt-Weld (BW) & Threaded Configurations
  • Long Radius (LR) & Short Radius (SR) Formats
  • 100% Monitored Wall Thickness & Geometry

Available Materials & Grades

Material Type Available Grades International Standards
Stainless Steel WP304, WP304L, WP316, WP316L, WP317L, WP321, WP347, WP904L ASTM A403
Carbon Steel WPB, WPC, WPHY 42, WPHY 52, WPHY 60, WPHY 65, WPHY 70 ASTM A234, ASTM A860
Low Temp Carbon Steel WPL3, WPL6 ASTM A420
Alloy Steel WP1, WP5, WP9, WP11, WP12, WP22, WP91 ASTM A234
Duplex & Super Duplex UNS S31803 (2205), UNS S32205, UNS S32750 (2507), UNS S32760 ASTM A815
High Nickel Alloys Inconel 600/625, Hastelloy C276, Monel 400, Incoloy 800/825 ASTM B366

Comprehensive Technical Specifications

Specification Parameter Detailed Range & Capabilities
Fitting Formats & Items 45° / 90° / 180° Elbows, Equal / Reducing Tees, Concentric / Eccentric Reducers, Caps, Crosses, Stub Ends, and Pipe Nipples.
Size Range (Nominal Bore) Seamless (SMLS): 1/2" NB to 24" NB
Welded (Seamed): 1/2" NB to 72" NB (Fabricated with 100% X-Ray / Radiography testing)
Wall Thickness Range SCH 5S, 10S, 20, 30, STD, 40S, 60, XS, 80S, 100, 120, 140, 160, XXS (Ranging from 1mm up to 60mm structural thickness).
Manufacturing Processes Mandrel bending, hydraulic bulging, hot pressing, extrusion, forging, and welding fabrication.
End Preparation Precision square cut ends or customized machine beveling matching ASME B16.25 standards for seamless orbital welding.
Surface Preservation Pickled & Passivated (Stainless Steel), Shot Blasted, Black Varnish, Anti-Rust Oil Oiling, or Hot-Dipped Galvanized (Carbon Steel).
Dimensional Standards ASME/ANSI B16.9 (Butt-weld fittings), MSS-SP-43, MSS-SP-75, DIN 2605 / 2615 / 2616 / 2617.
Quality Inspection & Testing 100% Dimensional Audits, Hydrostatic Pressure Testing, PMI (Positive Material Identification), HIC (Hydrogen Induced Cracking) test for sour gas pipeline routing, and Ultrasonic Testing (UT).

Structural Types & Formats

Directional Change Industrial Pipe Elbows

Pipe Elbows (45°/90°/180°)

Designed to shift fluid orientation accurately. Stocked in Long Radius (1.5D) for minimal frictional flow losses and Short Radius (1D) for highly confined, space-limited structural piping layouts.

Pipeline Branching Industrial Pipe Tees

Equal & Reducing Tees

Used to split or combine process flows at a 90-degree intersection. Equal tees retain unified diameters, while reducing tees seamlessly adapt branch piping to smaller cross-sectional dimensions.

Diameter Adaptation Concentric and Eccentric Reducers

Concentric & Eccentric Reducers

Concentric reducers align centerlines for vertical liquid transitions. Eccentric profiles maintain a flat top/bottom edge horizontal configuration to completely mitigate cavitation-inducing air pockets in pump suctions.

Line Termination Pipe Caps and Lap Joint Stub Ends

Pipe Caps & Stub Ends

Ellipsoidal pipe caps act as absolute dead-end structural barriers to pressure retain flow points. Lap joint stub ends combine smoothly with backing flanges to enable rapid dismantle-and-clean access.

Performance Features & Applications

Continuous Fluid Velocity

Smooth internal wall surfaces lower system pressure drop across directional turns, reducing internal fluid turbulence.

Hermetic Seal Guarantee

Butt-weld geometry provides robust joint cohesion, creating a permanently leak-proof pipeline structure.

Erosion Resistance

Thick-walled forging prevents wall thinning at high-wear areas prone to particulate velocity attrition.

Primary Industrial Applications

Midstream Hydrocarbon Handling
Acid Refining Processing
Boiler & Steam Headers
Desalination Infrastructure
Marine Fuel Systems
High-Purity Pharma Circuits