ASTM A542 / A542M Type B Class 4A
Chemical Properties
| Carbon | Manganese | Phosphorus | Sulfur | Silicon | Chromium | Molybdenum | Copper | Nickel | Vanadium |
|---|---|---|---|---|---|---|---|---|---|
| 0.09–0.18 | 0.25–0.66 | 0.015 | 0.015 | 0.50 | 1.88–2.62 | 0.85–1.15 | 0.28 | 0.28 | 0.03 |
Mechanical Properties
| Class |
Tensile strength,min: ksi [MPa] |
Yield strength,min: ksi [MPa] |
Elongation in 2 in. [50 mm] min, %A,B |
|---|---|---|---|
| Class 4a | 85–110 [585–760] | 60 [415] | 18 |
