P235GH
1.0345Lowest-strength pressure vessel steel — ReH >=235 MPa. Excellent weldability due to very low C (max 0.16%). THE entry-level boiler/pressure vessel plate in EN 10028-2. Used for low-pressure vessels, boiler drums, heat exchangers, and steam piping at modest pressures and temperatures to ~400°C.
International equivalents
| Flag | Standard | Country | Grade | Number | Match |
|---|---|---|---|---|---|
| 🇪🇺 | EN | Europe | P235GH / 1.0345 | 1.0345 | 100% |
Sources: EN 10028-2
Chemical composition comparison (wt%)
Side-by-side: P235GH (EN 10028-2) vs P235GH / 1.0345 (EN) (EN 10028-2)
| Element | P235GH (EN 10028-2) | P235GH / 1.0345 (EN) | Overlap |
|---|---|---|---|
| C | — | 0–0.16% | — |
| Si | — | 0–0.35% | — |
Mechanical properties
Compatibility verdict
P235GH and P235GH / 1.0345: 100% composition match
Related materials
C45
1.0503Medium carbon unalloyed quality steel. Good machinability and moderate strength after heat treatment. Widely used for shafts, spindles, pins, studs, and general machine parts.
S355JR
1.0045High-strength low-alloy structural steel with minimum yield strength of 355 MPa. Standard grade for bridges, buildings, cranes, and general structural applications. Impact tested at +20°C (JR).
S235JR
1.0038General-purpose structural steel with minimum yield strength of 235 MPa. The most common structural steel grade in Europe for general construction, frames, and non-critical structural applications.
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