ASTM A860 WPHY 60
ASTM A860 WPHY 60 Pipe Fittings
ASTM A860 WPHY 60 is a high-strength carbon steel designed for use in high-pressure and high-temperature pipeline applications. This material provides a minimum yield strength of 60,000 psi (414 MPa), making it suitable for demanding environments in industries such as oil & gas, petrochemical, and power generation. With its excellent weldability, impact toughness, and resistance to high-temperature conditions, WPHY 60 ensures the integrity and safety of pipeline systems in even the most challenging environments.
Key Features:
- High Yield Strength: With a minimum yield strength of 60,000 psi (414 MPa), ASTM A860 WPHY 60 is ideal for pipelines that need to withstand high pressures, making it a perfect choice for critical pipeline systems.
- Weldability: This material offers outstanding weldability, ensuring the ease of fabrication and reliable, durable welded joints, even in large, complex pipeline projects.
- Impact Toughness: WPHY 60 retains excellent impact toughness at low temperatures down to -50°F (-45°C), ensuring the material’s structural integrity under extreme conditions.
- High-Temperature Strength: ASTM A860 WPHY 60 maintains its strength and durability at elevated temperatures, making it ideal for applications in steam lines, refineries, and power generation systems.
- Corrosion Resistance: WPHY 60 exhibits moderate resistance to corrosion and is suitable for use in marine, offshore, and subsea pipeline applications exposed to saltwater and other corrosive environments.
- Cost-Effective: As a carbon steel material, WPHY 60 is a cost-effective solution that provides superior strength, toughness, and performance for demanding applications without the higher cost of exotic alloys.
A860 WPHY 60 Chemical Composition
| Element | Composition (%) |
|---|---|
| Carbon (C) | 0.26 max |
| Manganese (Mn) | 1.35 – 1.65 |
| Phosphorus (P) | 0.025 max |
| Sulfur (S) | 0.025 max |
| Silicon (Si) | 0.15 – 0.40 |
| Chromium (Cr) | 0.40 max |
| Nickel (Ni) | 0.40 max |
| Molybdenum (Mo) | 0.12 max |
| Copper (Cu) | 0.40 max |
| Vanadium (V) | 0.08 max |
| Aluminum (Al) | 0.04 – 0.10 |
A860 WPHY 60 Mechanical Properties
| Property | Value |
|---|---|
| Yield Strength | 60,000 psi (414 MPa) minimum |
| Tensile Strength | 80,000 – 100,000 psi (552 – 689 MPa) |
| Elongation (in 8 in.) | 20% minimum |
| Impact Toughness | Average of 20 ft-lb (27 J) at -50°F (-45°C) |
| Hardness | 210 HB max (Brinell hardness) |
A860 WPHY 60 Physical Properties
| Property | Value |
|---|---|
| Density | 7.85 g/cm³ |
| Modulus of Elasticity | 200 GPa (29,000 ksi) |
| Poisson’s Ratio | 0.3 |
| Thermal Conductivity | 45 W/m·K |
| Specific Heat Capacity | 0.46 J/g·K |
| Melting Point | 1,370 – 1,420°C (2,500 – 2,590°F) |
| Coefficient of Thermal Expansion | 11.5 x 10⁻⁶ /°C (6.4 x 10⁻⁶ /°F) |
| Hardness (Brinell) | 210 HB max |
Applications
- Oil & Gas: Pipelines transporting crude oil, natural gas, and other hydrocarbons, both onshore and offshore, require the strength and durability that WPHY 60 provides.
- Petrochemical: High-strength pipelines for the transportation of refined products, chemicals, and petrochemicals in refineries and chemical plants.
- Power Generation: Used in high-temperature steam pipelines and other critical systems in power plants where temperature and pressure resistance are crucial.
- Offshore & Marine: WPHY 60 is ideal for offshore pipelines exposed to saltwater corrosion, offering the toughness needed for harsh marine environments.
- Water Treatment: Suitable for water and wastewater systems, where high-strength, durable materials are necessary to withstand pressure and wear.
- Infrastructure: Large-scale infrastructure projects requiring reliable and high-strength pipeline systems benefit from WPHY 60’s performance.