Seamless ferritic and austenitic alloy steel boiler, superheater, and heat exchanger tubes.
Chemical Properties:
| Carbon: 0.08 max. | Silicon: 0.75 max. |
| Manganese: 2.00 | Nickel: 8.00-11.0 |
| Potassium: 0.04 | Chromium: 18.0-20.0 |
| Sulfur: 0.03 | Molybdenum: n/a |
Mechanical Properties:
Tensile Strength:
ksi: 75
MPa: 517
Yield:
ksi: 30
MPa: 207
Elongation in 2in. or 50mm, min. %: 35
Max. Hardness Rockwell B: 90