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: 9.00-13.0 |
| Potassium: 0.04 | Chromium: 17.0-20.0 |
| Sulfur: 0.03 | Molybdenum: n/a |
Mechanical Properties:
Tensile Strength:
ksi: 75
MPa: 517
Elongation in 2in. or 50mm, min. %: 35
Max. Hardness Rockwell B: 90