ASTM A860 WPHY 52
ASTM A860 WPHY 52 Pipe Fittings
ASTM A860 WPHY 52 is a high-strength carbon steel specifically engineered for use in high-pressure and high-temperature environments. This material provides a minimum yield strength of 52,000 psi (358 MPa), offering excellent durability and performance in industries such as oil & gas, petrochemical, and power generation. With its superior impact toughness and outstanding weldability, WPHY 52 is a reliable choice for the most demanding pipeline applications.
Key Features:
- High Yield Strength: ASTM A860 WPHY 52 offers a minimum yield strength of 52,000 psi (358 MPa), making it ideal for critical pipeline systems where strength and pressure resistance are essential.
- Weldability: Designed for ease of fabrication, WPHY 52 has excellent weldability, ensuring reliable and durable welded joints, which is critical in maintaining the integrity of large-scale pipeline projects.
- Impact Toughness: The material retains its impact toughness even at low temperatures as low as -50°F (-45°C), ensuring its reliability in challenging environments.
- Corrosion Resistance: While not fully corrosion-resistant, WPHY 52 performs well in marine and offshore environments, offering moderate resistance to environmental corrosion.
- High-Temperature Performance: WPHY 52 excels in high-temperature applications, maintaining its strength and durability even under elevated temperature conditions commonly found in power plants and chemical processing.
- Cost-Effective: As a carbon steel material, WPHY 52 provides a cost-effective solution that combines strength, toughness, and affordability for heavy-duty applications.
A860 WPHY 52 Material Equivalent
| Standard | Country | Grade |
|---|---|---|
| ASTM A860 | USA | WPHY 52 |
| EN 10208-2 | Europe | L360NB / L360MB |
| DIN EN 10208-2 | Germany | StE 360.7 TM / L360NB |
| JIS G3444 | Japan | STK 540 |
| IS 2062 / IS 3589 | India | E350 / Fe 490 |
| GOST 19281 | Russia | 17GS / 10G2S1 |
A860 WPHY 52 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 52 Mechanical Properties
| Property | Value |
|---|---|
| Yield Strength | 52,000 psi (358 MPa) minimum |
| Tensile Strength | 75,000 – 95,000 psi (517 – 655 MPa) |
| Elongation (in 8 in.) | 20% minimum |
| Impact Toughness | Average of 20 ft-lb (27 J) at -50°F (-45°C) |
| Hardness | 200 HB max (Brinell hardness) |
A860 WPHY 52 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 | 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) | 190 HB max |
Applications
- Oil & Gas: Pipeline systems used for transporting crude oil, natural gas, and other hydrocarbons, both onshore and offshore.
- Petrochemical: High-strength pipelines in petrochemical and chemical refineries for the transportation of fluids under high-pressure conditions.
- Power Generation: High-temperature steam and water pipelines in power plants, ensuring safe and reliable transportation of critical fluids.
- Offshore & Marine: Suitable for offshore pipelines exposed to harsh marine environments and saltwater corrosion.
- Water Treatment: Used in water and wastewater treatment plants for robust and durable pipeline systems.
- Infrastructure: Large-scale construction projects involving essential pipeline systems that require high-performance materials.