P355GH
1.0473Higher-strength pressure vessel steel — ReH >=355 MPa, guaranteed elevated-temperature properties. Between P265GH and 16Mo3 in the pressure vessel hierarchy. Used for boilers, steam drums, heat exchangers, and pressure piping operating to ~400°C. EN 10028-2, PED 2014/68/EU compliant. Good weldability.
International equivalents
| Flag | Standard | Country | Grade | Number | Match |
|---|---|---|---|---|---|
| 🇺🇸 | ASTM | USA | ASTM A516 Gr.70 (approximate) | — | REF |
| 🇪🇺 | EN | Europe | P355GH / 1.0473 | 1.0473 | 100% |
Sources: ASTM A516, EN 10028-2
Chemical composition comparison (wt%)
Side-by-side: P355GH (EN 10028-2) vs P355GH / 1.0473 (EN) (EN 10028-2)
| Element | P355GH (EN 10028-2) | P355GH / 1.0473 (EN) | Overlap |
|---|---|---|---|
| C | — | 0–0.22% | — |
| Si | — | 0–0.4% | — |
Mechanical properties
Compatibility verdict
P355GH and P355GH / 1.0473: 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.
Export this comparison as PDF
Professional datasheet with equivalents, composition, and properties. Ready for your QM documentation.
Download PDF — €4.90Included with PRO subscription