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Premium Carbon & Stainless Steel Pipe Fittings

Trusted supplier of butt weld, socket weld, and threaded pipe fittings. Offering elbows, tees, reducers, caps, couplings, and custom solutions with guaranteed quality and fast global delivery.

Steel Pipe Fittings

About Octal Pipe Fittings

Manufacturing Process

One-Stop Piping Solutions Provider

Octal Pipe Fittings, a division of Octal Steel, is dedicated to delivering comprehensive piping solutions for industrial clients worldwide. Based in China, we operate as a centralized procurement hub with multi-base inventory strategically located near major northern and southern Chinese ports.

Our mission is to provide urgent materials at the fastest possible time without compromising quality. All products are fully traceable and delivered with guaranteed Mill Test Certificates (MTC), ensuring compliance and reliability.

We proudly serve leading international oil and gas companies including SHELL, CHEVRON, PEMEX, PDVSA, PTTEP, BP, SINOPEC, CNPC, KOC, VICO, and KSM.

Our Vision

  • Pursue quality materials and customer satisfaction
  • Ensure on-time deliveries
  • Offer competitive pricing with prompt response
  • Provide customization with MOQ as low as one piece

Technical Expertise

  • ASTM A234 Pipe Fittings Specifications
  • Understanding Socket Weld vs Butt Weld Fittings
  • Steel Pipe Dimensions and Weight Charts
  • Material Traceability and Certification
  • Pressure Ratings and Wall Thickness Standards
  • Chemical Composition Analysis (ASTM A234, A403)
  • Elongation and Mechanical Strength Testing

Our Products

Comprehensive range of carbon and stainless steel pipe fittings manufactured to international standards. Available in butt weld, socket weld, and threaded types.

Steel Pipe Elbow

Steel Pipe Elbow

Available in 90°, 45°, and custom angles. Made from carbon, alloy, and stainless steel. Compliant with ASME B16.9 standards.

  • Butt weld and socket weld types
  • Diameters from 3/4" to 24"
  • Materials: ASTM A234 WPB, WPC, WP11, WP22, etc.
Steel Pipe Tee

Steel Pipe Tee

Equal and reducing tees in carbon and stainless steel. Ideal for branching pipelines in oil, gas, and chemical industries.

  • Butt weld and socket weld options
  • ASME B16.9 and B16.11 compliant
  • Traceable with Mill Test Certificate
Steel Pipe Reducer

Steel Pipe Reducer

Concentric and eccentric reducers for connecting pipes of different diameters. High-strength construction for critical applications.

  • Butt weld type, ASME B16.9
  • Carbon steel (ASTM A234 WPB), alloy, and stainless steel
  • Custom sizes available
Steel Pipe Cap

Steel Pipe Cap

Dome and flat caps for sealing pipe ends. Used in high-pressure and corrosive environments.

  • Butt weld and threaded types
  • Materials: ASTM A234, A403, A860
  • Available in carbon and stainless steel
Steel Pipe Coupling

Steel Pipe Coupling

Full and half couplings for joining pipes. Ideal for maintenance and repair work in industrial settings.

  • Socket weld and threaded connections
  • ASME B16.11 standard
  • Carbon and stainless steel materials
Pipe Bend 3D/5D

3D / 5D Pipe Bends

Cold or hot-formed bends with precise radius control. Suitable for high-flow and low-turbulence applications.

  • Available in 3D, 5D, 6D, and 8D radius
  • Butt weld ends, ASME B16.9
  • Custom bending services available
Pipe Nipple

Steel Pipe Nipple

Short lengths of pipe with male threads on both ends. Used in instrumentation and small bore piping.

  • Threaded to ASME B1.20.1 (NPT)
  • Carbon steel and stainless steel
  • Available in various lengths and diameters
Spiral Wound Gasket

Spiral Wound Gasket

High-performance sealing solution for flanged joints in pipelines and pressure vessels.

  • Stainless steel winding with graphite or PTFE filler
  • ASME B16.20 compliant
  • Temperature and pressure resistant
Stub End

Stub End

Used with lap joint flanges for easy alignment and maintenance. Made from forged carbon or stainless steel.

  • ASME B16.9 and B16.11 standards
  • Butt weld connection
  • Commonly used in chemical and petrochemical plants
Sockolet

Sockolet (Socket Weld Outlet)

Branch connection fitting for small bore take-offs. Provides strong, leak-proof joint.

  • Socket weld connection
  • ASME B16.11 standard
  • Used in instrumentation and auxiliary lines

Compliance with International Standards

All our pipe fittings are manufactured and tested in accordance with the highest international standards to ensure reliability, safety, and performance in critical industrial applications.

ASTM A234

Carbon and alloy steel fittings for welded and seamless pipe applications.

ASTM A403

Standard for wrought stainless steel fittings.

ASTM A420

Low-temperature carbon steel fittings.

ASME B16.9

Factory-made butt weld fittings.

ASME B16.11

Forged steel socket weld and threaded fittings.

ASTM A860 / MSS SP-75

Wrought high-strength low-alloy steel fittings (WPHY 42, 52, 60, 65, 70).

Why Choose Octal Pipe Fittings?

Guaranteed Quality

All materials come with Mill Test Certificates and full traceability.

Fast Delivery

Urgent material delivery within 48 hours from China ports.

Customer Satisfaction

Trusted by global oil and gas leaders including SHELL, BP, SINOPEC, and CNPC.

Quick Response

Competitive offers provided within 24 hours.

Get in Touch

Need an immediate offer or have technical questions? Contact us today for fast support and competitive pricing.

Contact Information

  • Address: Unit 2541, 25/F, Tower A, Wanda Plaza, Wenfeng District, Anyang, Henan, China
  • Phone: +86 372 2157660 / +86 186 3727 1277
  • Email: info@octalpipefittings.com
  • WhatsApp/WeChat: +86 18637271277

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