Korea KS D 3577 (2007), STS317LTB Specialsteel Stainless steel for boiler and heat exchanger tubes and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Class | Grade | Type | Standard | Country | Application |
|---|---|---|---|---|---|---|
| Steel Grades | Specialsteel | STS317LTB | Austenite | KS | Korea | Stainless steel for boiler and heat exchanger tubes |
| C | Si | Mn | P | S | Cr | Ni | Mo | N |
|---|---|---|---|---|---|---|---|---|
| ≤0.03 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.030 | 18.00 -20.00 | 11.00 -15.00 | 3.00 -4.00 | 0.10 -0.22 |
| 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) |
|---|---|---|---|---|---|---|
| 354 (≥) | 668 (≥) | 34 | 22 | 32 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 424 |
| 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 | - | - | 0.22 | - | |||
| 437 | 787 | - | 44.3 | 241 | - | ||
| 286 | - | 13 | 14.2 | 332 | 123 |
Heat treated : 1354°C - 1976°C
| D 3577 (2007) | Stainless steel for boiler and heat exchanger tubes | D-3577-(2007).pdf |
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