Specification for Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes
Elements | Min.(≥) | Max.(≤) | Similar | Remarks |
---|---|---|---|---|
C | 0.04 | 0.10 | ||
Si | - | 0.75 | ||
Mn | - | 2.00 | ||
P | - | 0.045 | ||
S | - | 0.03 | ||
Cr | 24.00 | 26.00 | ||
Ni | 19.00 | 22.00 |
Specification for Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger 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) |
---|---|---|---|---|---|---|
267 (≥) | 369 (≥) | 13 | 34 | 42 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 434 |
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 |
---|---|---|---|---|---|---|---|
493 (≥) | 755 (≥) | 22 | 14 | 23 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 122 | |
Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
846 | 621 | 153 |
We can customize the production of SA-213 TP310H grade, contact us for the best solution.
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