Steel for exhaust valves
Elements | Min.(≥) | Max.(≤) | Similar | Remarks |
---|---|---|---|---|
C | 0.33 | - | ||
Si | 0.70 | - | ||
Mn | 3.00 | - | ||
P | - | - | ||
S | - | - | ||
Cr | 23.0 | - | ||
Ni | 8.00 | - | ||
N | 0.38 | - |
Steel for exhaust valves
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) |
---|---|---|---|---|---|---|
185 (≥) | 664 (≥) | 42 | 31 | 21 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 332 |
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 |
---|---|---|---|---|---|---|---|
674 (≥) | 213 (≥) | 13 | 44 | 43 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 212 | |
Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
793 | 214 | 643 |
We can customize the production of EVl6 grade, contact us for the best solution.
–sales@specificsteel.com