| Material Notes: | ASTM specifications tend to emphasize the performance aspects of specific end products rather than rigid chemical compositions. The specifications are often complete enough for procurement purposes. Better creep and environmental resistance than carbon steel.Applications: steam pipes, pressure vessels, turbine rotors, high temperature boltsCorrosion Resistance: offers relatively good corrosion resistance compared to cost
Weldability easy to weld. ASME SA182 F11, UNS K11597 |
| Key Words: | ASME SA182 F11, UNS K11597, Cr-Mo alloys, chromium molybdenum alloys, chromoly steels, chro-moly |
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Density | 7.90 g/cc | 0.285 lb/in³ | Typical for steel |
| Mechanical Properties | Metric | English | Comments |
| Tensile Strength, Ultimate | 520 MPa | 75400 psi | |
| Tensile Strength, Yield | 310 MPa | 45000 psi | |
| Elongation at Break | 20 % | 20 % | |
| Reduction of Area | >= 40 % | >= 40 % | |
| Modulus of Elasticity | 200 GPa | 29000 ksi | Typical for steel |
| Thermal Properties | Metric | English | Comments |
| Specific Heat Capacity | 0.460 J/g-°C | 0.110 BTU/lb-°F | Estimated based on comparison with similar materials. Expected to be within 10% of experimental value. |
| Component Elements Properties | Metric | English | Comments |
| Carbon, C | 0.050 – 0.15 % | 0.050 – 0.15 % | |
| Chromium, Cr | 1.0 – 1.5 % | 1.0 – 1.5 % | |
| Manganese, Mn | 0.30 – 0.80 % | 0.30 – 0.80 % | |
| Molybdenum, Mo | 0.30 – 0.60 % | 0.30 – 0.60 % | |
| Phosphorous, P | <= 0.030 % | <= 0.030 % | |
| Silicon, Si | 0.50 – 1.0 % | 0.50 – 1.0 % | |
| Sulfur, S | <= 0.030 % | <= 0.030 % | |
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