Grades | Special Alloy | 15SiNiCr250
STAS/SR 15SiNiCr250
15SiNiCr250 Application:Stainless steel
Chemical composition(mass fraction)(wt.%) of the 15SiNiCr250
C(%) | Si(%) | Mn(%) | P(%) | S(%) | Cr(%) | Ni(%) | Mo(%) | Cu(%) |
---|---|---|---|---|---|---|---|---|
≤0.20 | 1.50-2. 50 | 2.00 | 0.045 | 0.030 | 24.0-26.0 | 19.0-21.0 | 0. 20 | 0. 30 |
Mechanical properties of grade 15SiNiCr250
Yield Rp0.2 (MPa) |
Tensile Rm (MPa) |
Impact KV (J) |
Elongation A (%) |
Reduction in cross section on fracture Z (%) |
As-Heat-Treated Condition | HBW |
---|---|---|---|---|---|---|
773 (≥) | 266 (≥) | 23 | 33 | 44 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 243 |
Physical properties of grade 15SiNiCr250
Property | Density kg/dm3 |
Temperature T °C/F |
Specific heat J / kgK |
Thermal conductivity W/mK |
Electric resistance µΩ·cm |
---|---|---|---|---|---|
198 (≥) | 187 (≥) | 13 | 32 | 13 | 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 |
- | - | - |
812 | 687 | 798 | - | - | - |
15SiNiCr250 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 |