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AFNOR NiCr20TiAI Details
Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties
AFNOR NiCr20TiAI Standard Download
NiCr20TiAI Datasheet
AFNOR NiCr20TiAI| Category | Type | Grade | Designations |
|---|---|---|---|
| Grades | Superalloys | NiCr20TiAI | France - AFNOR , NF EN 10269 - Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties |
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.04 | 0.10 | ||
| Si | - | 1.00 | ||
| Mn | - | 1.00 | ||
| P | - | 0.020 | ||
| S | - | 0.015 | ||
| Cr | 18.00 | 21.00 | ||
| Ni | 65.00 | - | ||
| Mo | - | - | ||
| Ti | 1.80 | 2.70 | ||
| Co | 0.60 | 0.80 | ||
| Al | 1.00 | 1.80 | ||
| Fe | - | 1.50 | ||
| Cu | - | 0.20 |
| 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) |
|---|---|---|---|---|---|---|
| 249 (≥) | 184 (≥) | 11 | 22 | 31 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 123 |
| 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 |
|---|---|---|---|---|---|---|---|
| 264 (≥) | 122 (≥) | 22 | 41 | 31 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 113 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 426 | 892 | 374 |
| 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 |
|---|---|---|---|
| NiCr20TiAI | AFNOR | France | Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties |