Heat Resisting and Highly Heat Resisting Materials for Bolts and Nuts; Quality Specifications
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.1700 | 0.2300 | ||
| Mn | 0.4000 | 0.9000 | ||
| P | - | 0.0250 | ||
| S | - | 0.0150 | ||
| Si | - | 0.5000 | ||
| Ni | 0.2000 | 0.6000 | ||
| Cr | 10.0000 | 11.5000 | ||
| Mo | 0.5000 | 0.8000 | ||
| V | 0.1000 | 0.3000 | ||
| B | - | 0.0015 | ||
| Al | - | 0.0200 | ||
| N | 0.0500 | 0.1000 | ||
| Nb | 0.2500 | 0.5500 |
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) |
|---|---|---|---|---|---|---|
| 424 (≥) | 257 (≥) | 21 | 11 | 23 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 413 |
| 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 |
|---|---|---|---|---|---|---|---|
| 242 (≥) | 797 (≥) | 23 | 33 | 12 | 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 |
|||||
| 255 | 121 | 658 |
We can customize the production of X 19 CrMoVNbN 11 1 grade, contact us for the best solution.
–sales@specificsteel.com