Grades | Stainless Steels | S.152
B.S. S.152
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S.152 Application:Specification for chromium-cobalt-molybdenum-vanadium-niobium heat-resisting steel billets, bars, forgings and parts (consumable electrode remelted) (1000-1140 MPa) (Cr 10.5, Co 6, Mo 0.8, V 0.2, Nb 0.3)
Chemical composition(mass fraction)(wt.%) of the S.152
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.06 | 0.11 | ||
| Si | 0.10 | 0.70 | ||
| Mn | 0.60 | 1.10 | ||
| P | - | 0.028 | ||
| S | - | 0.020 | ||
| Cr | 9.20 | 11.20 | ||
| Ni | 0.20 | 0.80 | ||
| Mo | 0.50 | 1.00 | ||
| Nb | 0.20 | 0.45 | ||
| Co | 5.00 | 7.00 | ||
| V | 0.10 | 0.35 | ||
| N | 0.010 | 0.035 | ||
| B | 0.004 | 0.012 |
Mechanical properties of grade S.152
| Yield Rp0.2 (MPa) |
Tensile Rm (MPa) |
Impact KV (J) |
Elongation A (%) |
Reduction in cross section on fracture Z (%) |
As-Heat-Treated Condition | HBW |
|---|---|---|---|---|---|---|
| 695 (≥) | 629 (≥) | 22 | 33 | 33 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 313 |
Physical properties of grade S.152
| Property | Density kg/dm3 |
Temperature T °C/F |
Specific heat J / kgK |
Thermal conductivity W/mK |
Electric resistance µΩ·cm |
|---|---|---|---|---|---|
| 967 (≥) | 539 (≥) | 21 | 32 | 21 | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
- | - | - |
| 789 | 226 | 278 | - | - | - |
S.152 Range of products
| 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 |