Heat Resisting and Highly Heat Resisting Materials for Bolts and Nuts; Quality Specifications
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.16 | 0.22 | ||
| Si | 0.10 | 0.50 | ||
| Mn | 0.30 | 0.80 | ||
| P | - | 0.035 | ||
| S | - | 0.035 | ||
| Cr | 10.0 | 11.5 | ||
| Mo | 0.50 | 1.00 | ||
| Ni | 0.30 | 0.80 | ||
| V | 0.10 | 0.30 | ||
| Nb | 0.15 | 0.50 | ||
| N | 0.05 | 0.19 |
Heat Resisting and Highly Heat Resisting Materials for Bolts and Nuts; Quality Specifications
| 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) |
|---|---|---|---|---|---|---|
| 769 (≥) | 691 (≥) | 31 | 21 | 23 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 141 |
| 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 |
|---|---|---|---|---|---|---|---|
| 566 (≥) | 673 (≥) | 31 | 24 | 33 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 443 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 155 | 762 | 542 |
We can customize the production of X19CrMoVNbN11-1 grade, contact us for the best solution.
–sales@specificsteel.com