USA AISI S20153 Specialsteel Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Class | Grade | Type | Standard | Country | Application | 
|---|---|---|---|---|---|---|
| Steel Grades | Specialsteel | S20153 | Austenite | AISI | USA | Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes | 
| C | Si | Mn | P | S | Cr | Ni | N | Cu | 
|---|---|---|---|---|---|---|---|---|
| ≤0.03 | ≤0.75 | 6.40 -7.50 | ≤0.045 | ≤0.015 | 16.0 -17.5 | 4.00 -5.00 | 0.10 -0.25 | ≤1.00 | 
| Yield Rp0.2 (MPa) | Tensile Rm (MPa) | Impact KV/Ku (J) | Elongation A (%) | Reduction in cross section on fracture Z (%) | As-Heat-Treated Condition | Brinell hardness (HBW) | 
|---|---|---|---|---|---|---|
| 726 (≥) | 481 (≥) | 31 | 14 | 13 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 314 | 
| Temperature (°C) | Modulus of elasticity (GPa) | Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and | Thermal conductivity (W/m·°C) | Specific thermal capacity (J/kg·°C) | Specific electrical resistivity (Ω mm²/m) | Density (kg/dm³) | Poisson’s coefficient, ν | 
|---|---|---|---|---|---|---|---|
| 14 | - | - | 0.12 | - | |||
| 569 | 249 | - | 43.3 | 122 | - | ||
| 529 | - | 24 | 33.2 | 131 | 433 | 
Heat treated : 1284°C - 1631°C
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