Standard Specification for Welded UNS N08020 Alloy Tubes
| 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 |
Standard Specification for Welded UNS N08020 Alloy Tubes
| 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) |
|---|---|---|---|---|---|---|
| 395 (≥) | 438 (≥) | 41 | 14 | 34 | 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 |
|---|---|---|---|---|---|---|---|
| 958 (≥) | 452 (≥) | 13 | 12 | 23 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 444 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 295 | 941 | 267 |
We can customize the production of B 468 N08020 grade, contact us for the best solution.
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