Seamless nickel-chromium-iron alloy pipes
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | - | 0.10 | ||
| Si | - | 0.50 | ||
| Mn | - | 0.50 | ||
| P | - | 0.015 | ||
| S | - | 0.015 | ||
| Cr | 20.00 | 23.00 | ||
| Ni | 58.00 | - | ||
| Cu | - | - | ||
| Al | - | 0.40 | ||
| Ti | - | 0.40 | ||
| Fe | - | 5.00 | ||
| Nb+Ta | 3.15 | 4.15 | ||
| Mo | 8.00 | 10.00 |
Seamless nickel-chromium-iron alloy pipes
| 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) |
|---|---|---|---|---|---|---|
| 518 (≥) | 657 (≥) | 11 | 23 | 32 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 423 |
| 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 |
|---|---|---|---|---|---|---|---|
| 352 (≥) | 996 (≥) | 13 | 43 | 43 | 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 |
|||||
| 765 | 771 | 488 |
We can customize the production of NCF 625 TP grade, contact us for the best solution.
–sales@specificsteel.com