Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes
Elements | Min.(≥) | Max.(≤) | Similar | Remarks |
---|---|---|---|---|
C | - | 0.15 | ||
Si | - | 1.00 | ||
Mn | 5.05 | 7.50 | ||
P | - | 0.06 | ||
S | - | 0.03 | ||
Cr | 16.0 | 18.0 | ||
Ni | 3.50 | 5.50 | ||
N | - | 0.25 |
Stainless and heat resisting steels
A 213/A 213M (2011) 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) |
---|---|---|---|---|---|---|
898 (≥) | 993 (≥) | 23 | 42 | 43 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 144 |
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 |
---|---|---|---|---|---|---|---|
928 (≥) | 536 (≥) | 21 | 42 | 22 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 234 | |
Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
114 | 223 | 941 |
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