17Mn4 High Temperature Structural Steel
17Mn4 is a steel for pressure vessels. The standard follows EN10028. The characteristics of P295GH boiler steel plate are the minimum yield strength of 220 - 295 MPa and good weldability. 17Mn4 pressure vessel steel plate has good plasticity, toughness, cold bending performance and welding performance, and is suitable for manufacturing nuclear island steel containment, pressure vessels and equipment structural parts.
GNEE steel is a professional exporter and steel distributor of 17Mn4 boiler plate in China. We have more than 50,000 tons of 17Mn4 steel boiler plate in stock every month. We provide rust removal, cutting, punching, bending, welding and other services. For 17Mn4 vessel plate prices, please feel free to contact us by email or phone.
17Mn4 Boiler Plate Steel chemical composition
| Grades | C max |
Si max |
Mn. max |
P max |
S max |
N max |
AL min |
Nb max |
Ti max |
V max |
| 17Mn4 | 0.2 | 0.5 | 0.7 | 0.025 | 0.015 | 0.009 | 0.02 | 0.05 | 0.03 | - |
17Mn4 pressure vessel steel mechanical property
| Grades | Yield Strength ReH[N/mm2] transv.min. |
Tensile Strength Rm[N/mm2]transv. |
Fracture Elongation [%]transv. min. |
|
| 17Mn4 |
||||
| thickness | Total elongation A1 | |||
| < 3 mm | ≥ 21% | |||
| 310 | 460 - 550 | ≥ 3 mm | ≥ 28% | |
17Mn4 boiler steel plate Regular size and Tolerance
| Thickness (mm) |
Thickness Tolerance (mm) |
Thickness (mm) |
Thickness Tolerance (mm) |
| ≤25.4 | -0.41～0.79 | >127～152 | -1.60～2.39 |
| >25.4～76 | -0.79～1.19 | >178～254 | -1.98～3.18 |
| >76～127 | -1.19～1.60 | >254～305 | -2.39～3.96 |
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