Korea KS D 3587 (1991), STS347HTF Specialsteel Steel tubes for fired heater and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Class | Grade | Type | Standard | Country | Application |
---|---|---|---|---|---|---|
Steel Grades | Specialsteel | STS347HTF | Austenite | KS | Korea | Steel tubes for fired heater |
C | Si | Mn | P | S | Cr | Ni | Mo | N | Nb |
---|---|---|---|---|---|---|---|---|---|
≤0.08 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.030 | 17.00 -19.00 | 9.00 -13.00 | ≤ ≥ | ≤ ≥ | 10×C% - ≥ |
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) |
---|---|---|---|---|---|---|
117 (≥) | 877 (≥) | 11 | 13 | 43 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 123 |
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 |
---|---|---|---|---|---|---|---|
43 | - | - | 0.41 | - | |||
247 | 596 | - | 43.3 | 421 | - | ||
422 | - | 34 | 11.2 | 141 | 114 |
Heat treated : 1751°C - 1118°C
D 3587 (1991) | Steel tubes for fired heater | D-3587-(1991).pdf |
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