Standard Specification for Seamless UNS N08020, UNS N08026, and UNS N08024 Nickel-Alloy Pipe and Tube
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | - | 0.03 | ||
| Mn | - | 1.00 | ||
| Si | - | 0.50 | ||
| P | - | 0.035 | ||
| S | - | 0.035 | ||
| Cr | 22.50 | 25.00 | ||
| Ni | 35.00 | 40.00 | ||
| Mo | 3.50 | 5.00 | ||
| Cu | 0.50 | 1.50 | ||
| Nb | 0.15 | 0.35 |
Standard 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) |
|---|---|---|---|---|---|---|
| 176 (≥) | 789 (≥) | 31 | 14 | 24 | 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 |
|---|---|---|---|---|---|---|---|
| 729 (≥) | 617 (≥) | 22 | 42 | 23 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 223 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 284 | 964 | 188 |
We can customize the production of B 729 N08024 grade, contact us for the best solution.
–sales@specificsteel.com