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GOST BЖЛ12y Details
GOST BЖЛ12y Standard Download
BЖЛ12y Application:Russia TY standard grades and chemical compositions of the high temperature alloy castings
| Category | Type | Grade | Designations |
|---|---|---|---|
| Grades | Stainless Steels | BЖЛ12y | Russia - GOST , |
Chemical composition(wt.%) of BЖЛ12y grade:
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.14 | 0.20 | ||
| Cr | 8.50 | 10.50 | ||
| Al | 5.00 | 5.70 | ||
| Mo | 2.70 | 3.40 | ||
| Ti | 4.20 | 4.70 | ||
| Co | 12.00 | 15.00 | ||
| W | 1.00 | 1.80 | ||
| Ni | - | remaining | ||
| Nb | 0.50 | 1.00 | ||
| Fe | - | 2.00 | ||
| B | - | 0.015 | ||
| Ce | - | 0.02 | ||
| V | 0.50 | 1.00 | ||
| Zr | - | 0.02 | ||
| Mn | - | 0.40 | ||
| Si | - | 0.40 | ||
| S | - | 0.015 | ||
| P | - | 0.015 |
Mechanical properties of grade BЖЛ12y
| 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) |
|---|---|---|---|---|---|---|
| 735 (≥) | 651 (≥) | 33 | 43 | 42 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 321 |
Physical properties of grade BЖЛ12y
| 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 |
|---|---|---|---|---|---|---|---|
| 879 (≥) | 472 (≥) | 22 | 44 | 24 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 213 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 449 | 536 | 665 |
BЖЛ12y - Form of Supply
| 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 |
Cross Reference Table(Equivalent Grade)
| Grade | Standard | Country | Application |
|---|---|---|---|
| BЖЛ12Y-BИ | GOST | Russia | Russia GOCT Standard vacuum smelting casting high temperature alloy bar |
| BЖЛ12Y-BИ | GOST | Russia | Russia GOCT Standard vacuum smelting casting high temperature alloy bar |
| BЖЛ12y | GOST | Russia | Russia TY standard grades and chemical compositions of the high temperature alloy castings |
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