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EN P250GH Details
EN P250GH Standard Download
| Category | Type | Grade | Microstructure | Designations |
|---|---|---|---|---|
| Grades | Stainless Steels | P250GH | Martensite | European - EN , EN 10273: 2007 - Hot rolled weldable steel bars for pressure purposes with specified elevated temperature properties |
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.18 | 0.23 | ||
| Si | - | 0.4 | ||
| Mn | 0.3 | 0.9 | ||
| Ni | - | 0.3 | ||
| P | - | 0.025 | ||
| S | - | 0.015 | ||
| Cr | - | 0.3 | ||
| Ti | - | 0.03 | ||
| N | 0.03 | 0.07 | ||
| Nb | - | 0.010 | ||
| Al | 0.0015 | 0.05 | ||
| V | - | 0.02 | ||
| other | - | Cr+Cu+Mo+Ni < 0.7 |
| Proof strength Rp0.2 (MPa) |
Tensile strength Rm (MPa) |
Impact energy KV (J) |
Elongation at fracture A (%) |
Reduction in cross section on fracture Z (%) |
As-Heat-Treated Condition | Brinell hardness (HBW) |
|---|---|---|---|---|---|---|
| 932 (≥) | 214 (≥) | 21 | 22 | 31 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 342 |
| Property | Density kg/dm3 |
Temperature T °C/F |
Specific heat J / kgK |
Thermal conductivity W/mK |
Electric resistance µΩ·cm |
Modulus of elasticity kN/mm2 |
Expansion rate |
|---|---|---|---|---|---|---|---|
| 496 (≥) | 144 (≥) | 31 | 11 | 11 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 334 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 146 | 645 | 817 |
| Product type | Products | Dimension | Processes | Deliver Status |
|---|---|---|---|---|
| Plates / Sheets | Plates / Sheets | 0.08-200mm(T)*W*L | Forging, hot rolling and cold rolling | Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting |
| Steel Bar | Round Bar, Flat Bar, Square Bar | Φ8-1200mm*L | Forging, hot rolling and cold rolling, Cast | Black, Rough Turning, Shot Blasting, |
| Coil / Strip | Steel Coil /Steel Strip | 0.03-16.0x1200mm | Cold-Rolled & Hot-Rolled | Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting |
| Pipes / Tubes | Seamless Pipes/Tubes, Welded Pipes/Tubes | OD:6-219mm x WT:0.5-20.0mm | Hot extrusion, Cold Drawn, Welded | Annealed, Solution and Aging, Q+T, ACID-WASHED |
| Grade | Standard | Country | Application |
|---|---|---|---|
| 1.0460 | EN | European | Non-alloy quality steel |
| P250GH | EN | European | Non-alloy quality steel |