Seamless carbon molybdenum alloy steel boiler and superheater tubes.
Chemical Properties:
| Carbon: 0.10-0.20 | Silicon: 0.10-0.50 |
| Manganese: 0.30-0.80 | Nickel: n/a |
| Potassium: 0.025 | Chromium: n/a |
| Sulfur: 0.025 | Molybdenum: 0.44-0.65 |
Mechanical Properties:
Tensile Strength: ksi: 55
MPa: 379
Yield:
ksi: 30
MPa: 207
Elongation in 2in. or 50mm, min. %: 30
Max. Hardness Rockwell B: 80