Specification for Seamless UNS N08020, UNS N08026, and UNS N08024 Nickel-Alloy Pipe and Tube
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | - | 0.07 | ||
| Mn | - | 2.00 | ||
| Si | - | 1.00 | ||
| P | - | 0.045 | ||
| S | - | 0.035 | ||
| Cr | 19.00 | 21.00 | ||
| Ni | 32.00 | 38.00 | ||
| Mo | 2.00 | 3.00 | ||
| Cu | 3.00 | 4.00 | ||
| Nb | 8×C％ | 1.00 |
Specification for Seamless UNS N08020, UNS N08026, and UNS N08024 Nickel-Alloy Pipe and Tube
| 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) |
|---|---|---|---|---|---|---|
| 494 (≥) | 378 (≥) | 44 | 41 | 34 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 222 |
| 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 |
|---|---|---|---|---|---|---|---|
| 857 (≥) | 519 (≥) | 12 | 44 | 34 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 322 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 699 | 917 | 823 |
We can customize the production of SB-729 N08020 grade, contact us for the best solution.
–sales@specificsteel.com