ASTM A672 GR.C60 CL.22 is a standard specification for welded steel pipes, compliant with ASTM A672 standards. These pipes are typically used in high-temperature and high-pressure service environments, such as boilers, furnaces, and pressure vessels, for the transportation of gases, steam, and liquids.
Chemical Composition:
- Carbon Content: Maximum 0.24%
- Manganese Content: 0.79-1.30%
- Phosphorus Content: Maximum 0.025%
- Sulfur Content: Maximum 0.025%
- Silicon Content: 0.15-0.40%
- Nickel Content: Maximum 0.50%
- Chromium Content: Maximum 0.30%
- Molybdenum Content: Maximum 0.25%
- Vanadium Content: Maximum 0.08%
- Copper Content: Maximum 0.40%
- Titanium Content: Maximum 0.02%
- Aluminum Content: Maximum 0.02%
- Magnesium Content: Maximum 0.012%
- Boron Content: Maximum 0.0005%
- Total Nitrogen Content: Maximum 0.03%
Mechanical Properties:
- Yield Strength: Minimum 37 ksi (240 MPa)
- Tensile Strength: Minimum 60 ksi (415 MPa)
Dimensions and Wall Thickness:
- Outside Diameter Range: 16″ – 100″ (406 mm – 2540 mm)
- Wall Thickness Range: 0.250″ – 2.500″ (6.35 mm – 63.5 mm)