high temperature boiler steels for energy industries
Elements | Min.(≥) | Max.(≤) | Similar | Remarks |
---|---|---|---|---|
C | 0.17 | 0.25 | ||
Mn | 0.40 | 0.80 | ||
Si | - | 0.40 | ||
P | - | 0.030 | ||
S | - | 0.030 | ||
Cr | 1.20 | 1.50 | ||
Ni | - | 0.60 | ||
Mo | 0.55 | 0.80 | ||
V | 0.25 | 0.35 | ||
Al | - | 0.03 |
Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties
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) |
---|---|---|---|---|---|---|
446 (≥) | 118 (≥) | 41 | 32 | 23 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 232 |
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 (≥) | 476 (≥) | 41 | 34 | 34 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 123 | |
Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
683 | 673 | 684 |
We can customize the production of 1.7709 grade, contact us for the best solution.
–sales@specificsteel.com