Note: a cold pull rods, round cakes and ring blank standard (Ti) 1.80% ~ 2.35%.
2 (B) of hot-rolled and cold-rolled sheet standard 0.003% ~ 0.010%, 2.00% or less (Mn), (P) acuities were 0.020%, 0.015% or less (S).
3 (Al) of cold drawn wire standard acuities were 0.35%, 1.75% ~ 2.35% (Ti) and (Si) 0.40% ~ 1.00%, 0.020% or less (P), (S) of 0.015% or less.
Use the wire, cold heading standards (Ti) 1.75% ~ 2.35%, 0.40% ~ 1.00% (Si), (P) acuities were 0.025%, 0.020% or less (S).
5 hot rolled and forged bar standard (Cu) of 0.25% or less.
1.5), heat treatment system is the standard heat treatment system are shown in table 1-3;Alloy is 900 ℃ heat treatment system plus or minus 10 ℃, 1 to 2 h, oil cooled to + 750 ℃ + 10 ℃, 16 h, air cooling.
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| Category | Type | Grade | Microstructure | Designations |
|---|---|---|---|---|
| Grades | Superalloys | X6NiCrTiMoVB25-15-2 | Austenite | European - EN , EN 10302: 2008 | EN 10269: 1999 | EN 10088-1: 2005 | |
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | - | 0.08 | ||
| Cr | 13.50 | 16.00 | ||
| Ni | 24.00 | 27.00 | ||
| Mo | 1.00 | 1.50 | ||
| Ti | 1.75 | 2.30 | ||
| V | 0.10 | 0.50 | ||
| B | 0.001 | 0.010 | ||
| Mn | 1.00 | 2.00 | ||
| Fe | - | Bal | ||
| Al | - | 0.40 | ||
| Si | - | 1.00 | ||
| P | - | 0.030 | ||
| S | - | 0.020 |
| 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) |
|---|---|---|---|---|---|---|
| 573 (≥) | 521 (≥) | 13 | 23 | 11 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 243 |
| 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 |
|---|---|---|---|---|---|---|---|
| 595 (≥) | 963 (≥) | 11 | 13 | 14 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 441 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 274 | 358 | 799 |
| 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 |
|---|---|---|---|
| 1.4980 | EN | European | Creep resisting steels, nickel and cobalt alloys |
| X6NiCrTiMoVB25-15-2 | EN | European | Creep resisting steels, nickel and cobalt alloys |
| IncoloyA-286 | ASTM | USA | Creep resisting steels, nickel and cobalt alloys |
| X6NiCrTiMoVB25-15-2 | ISO | International | Wrought steels for use at elevated temperatures in engines |
| Z5NCTDV26-15B | AFNOR | France | Iron and steel. Stainless steel for high temperature application |
| Z6NCTDV25-15B | AFNOR | France | Iron and steel. Stainless steel for general purposes. Semi- finished products, bars and wire rod |
