TECHNICAL SPECIFICATION: STUD BOLT ASSEMBLY
- STUD BOLT
- Standard: ASTM A453 Grade 660 Class A
- Type: Continuous threaded stud bolt
- Nominal Diameter: 2 inches
- Thread Pitch: 8UN (8 threads per inch)
- Total Length: 355 mm
- Material Type: Precipitation-hardening iron-base superalloy (A286)
- HEAVY HEX NUTS
- Quantity: 2 pieces per stud bolt
- Standard: ASTM A453 Grade 660 Class A
- Dimensional Standard: ASME B18.2.2 (Heavy Hex Nut)
- Thread Matching: 2' - 8UN
- MECHANICAL PROPERTIES
- Minimum Tensile Strength: 130 ksi (895 MPa)
- Minimum Yield Strength (0.2% offset): 85 ksi (585 MPa)
- Minimum Elongation: 15%
- Minimum Reduction of Area: 18%
- Hardness Range: 24 to 35 HRC (or 248 to 341 HBW)
- OPERATING CONDITIONS & APPLICATIONS
- Service Temperature: Up to 1200°F (650°C) with high creep-rupture strength
- Environment: High-temperature, high-pressure, and corrosive environments
- Core Applications: Oil & gas piping flanged joints, petrochemical pressure vessels, and gas turbines
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