At Solitaire Fittings, we are a trusted Exporter of ASTM A860 WPHY 70 Pipe Fittings and a leading ASTM A860 WPHY 70 Pipe Fittings Premium Supplier worldwide. With decades of experience in manufacturing and supplying pipe fittings, we deliver products that meet international standards and provide exceptional performance in high-pressure and high-temperature applications.

Our wide product range includes A860 WPHY 70 Buttweld Fittings, ASME SA860 WPHY 70 Buttweld Pipe Fittings, ASTM A860 WPHY 70 End Caps, and API 5L WPHY 70 Buttweld Elbow Fittings, designed to handle the toughest industrial conditions.

astm-a860-wphy70-alloy-buttweld-fittings

What is ASTM A860 WPHY 70 Alloy Buttweld Fittings?

ASTM A860 WPHY 70 Alloy Buttweld Fittings are high-strength carbon steel pipe fittings manufactured for use in high-pressure applications such as oil & gas, petrochemical, and power generation industries. The term WPHY stands for Wrought Pipe High Yield, with "70" representing the minimum yield strength of 70,000 PSI.

These fittings are made by welding, bending, and forming carbon steel pipes, ensuring they have seamless flow characteristics and durability. Their toughness and resistance to stress cracking make them ideal for pipeline systems carrying gas, oil, steam, and chemicals.

Key Features of ASTM A860 WPHY 70 Pipe Fittings

  • High Strength: Yield strength of 70,000 PSI, making them suitable for heavy-duty and high-pressure services.
  • Excellent Toughness: Withstand temperature variations without cracking or failure.
  • Corrosion Resistance: Properly coated and treated for resistance to corrosion in demanding environments.
  • Leak-Proof Connections Precision buttweld joints ensure smooth flow and no leakage.
  • Versatile Applications: Widely used in oil & gas pipelines, refineries, chemical plants, and power stations.

Types of ASTM A860 WPHY 70 Alloy Buttweld Fittings We Supply

At Solitaire Fittings, we manufacture and export a complete range of ASTM A860 WPHY 70 Pipe Fittings, including standard and customized sizes:

  • Elbows (API 5L WPHY 70 Buttweld Elbow Fittings) – 45°, 90°, and 180° elbows for changing pipeline directions.
  • Reducers – Concentric and eccentric reducers for pipe size transitions.
  • Tees – Equal and reducing tees for dividing or combining flow.
  • Crosses – Used for distributing flow in multiple directions.
  • Caps (ASTM A860 WPHY 70 End Cap Supplier) – Provide a secure closure to pipelines.
  • Stub Ends – For use with lap joint flanges
  • Bends – Induction and long-radius bends for smooth directional changes.

Each fitting is tested under strict quality control standards to ensure reliability in critical service conditions.

ASTM A860 WPHY 70 Standards and Grades

Our fittings comply with globally recognized standards:

  • ASTM A860 / ASME SA860 – Specification for wrought high-strength carbon steel fittings.
  • API 5L – Ensures fittings are compatible with pipeline industry standards.
  • MSS SP-75 – Covers high-pressure buttweld fittings for transmission pipelines.

Grades commonly supplied include WPHY 42, WPHY 46, WPHY 52, WPHY 60, WPHY 65, and WPHY 70, with WPHY 70 being one of the most widely used due to its balance of strength and durability.

Specifications Chart for ASTM A860 WPHY70 Pipe Fittings

Standard ASTM A860 / ASME SA860
Grade WPHY 70
Size Range ½” – 48”
Pressure Rating SCH 20 to SCH XXS
Dimensions ANSI / ASME B16.9, B16.28

Mechanical Properties of ASTM A860 WPHY 70 Alloy Buttweld Fittings

Property Value
Tensile Strength 90,000 PSI (min)
Yield Strength 70,000 PSI (min)
Elongation 22% (min)
Hardness 197 HB (max)

Chemical Composition of ASTM A860 WPHY 70

Element Content (%)
Carbon (C) ≤ 0.28
Manganese (Mn) 0.90 – 1.60
Phosphorus (P) ≤ 0.030
Sulfur (S) ≤ 0.030
Silicon (Si) 0.18 – 0.37

Physical Properties of ASTM A860 WPHY 70

Property Value
Density 7.85 g/cm³
Melting Point 1425 – 1540 °C
Modulus of Elasticity 200 GPa
Thermal Conductivity 60.5 W/m·K

Advantages of Choosing ASTM A860 WPHY 70 Pipe Fittings

  • Long service life with minimal maintenance.
  • Cost-effective for large projects due to durability.
  • Withstands extreme environments.
  • Ensures pipeline safety and efficiency.
  • Compatible with global pipeline standards.

Applications of A860 WPHY 70 Buttweld Fittings

ASTM A860 WPHY 70 Pipe Fittings are designed for industries where durability and strength are critical:

  • Oil & Gas Pipelines – Long-distance transmission of crude oil and natural gas.
  • Petrochemical Plants – Transport of chemicals, acids, and gases.
  • Power Generation – High-temperature steam lines in thermal and nuclear plants.
  • Refineries – Process piping for hydrocarbon treatment.
  • Shipbuilding – Marine applications requiring corrosion resistance.
  • Water Treatment Plants – High-pressure water distribution systems.

Why Choose Solitaire Fittings for ASTM A234 WP91 Pipe Fittings?

As a Premium Supplier of ASTM A860 WPHY 70 Pipe Fittings, Solitaire Fittings has built a strong reputation in both domestic and international markets.

  • Global Supplier Network – We export to over 40+ countries worldwide.
  • Stringent Quality Testing – Hydrostatic, non-destructive, and mechanical tests.
  • Custom Solutions – We manufacture fittings in special sizes and coatings upon request.
  • On-Time Delivery – Strong logistics ensure timely project completion.
  • Competitive Pricing – High-quality products at cost-effective rates.

Solitaire Fittings – Your Trusted Partner in Alloy Steel A860 WPHY70 Fittings

When it comes to ASTM A860 WPHY 70 Alloy Buttweld Fittings, Solitaire Fittings ensures you get quality, reliability, and timely delivery. Whether you need API 5L WPHY 70 Buttweld Elbow Fittings, ASTM A860 WPHY 70 End Caps, or any other fitting, we are your one-stop solution.

As a leading Exporter of ASTM A860 WPHY 70 Pipe Fittings, we serve industries across Asia, Europe, the Middle East, and North America. Our commitment to customer satisfaction makes us one of the most trusted names in the pipeline fittings industry.


Request Your ASTM A860 WPHY 70 Alloy Buttweld Fittings Quote Today!