Korea KS D 3587 (1991), NCF800TF Specialsteel Steel tubes for fired heater and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Class | Grade | Standard | Country | Application |
|---|---|---|---|---|---|
| Steel Grades | Specialsteel | NCF800TF | KS | Korea | Steel tubes for fired heater |
| C | Si | Mn | P | S | Cr | Ni | Cu | Al | Ti | Fe |
|---|---|---|---|---|---|---|---|---|---|---|
| ≤0.10 | ≤1.00 | ≤1.50 | ≤0.030 | ≤0.015 | 19.00 -23.00 | 30.00 -35.00 | ≤0.75 | 0.15 -0.60 | 0.15 -0.60 | ≤remaining |
| 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) |
|---|---|---|---|---|---|---|
| 636 (≥) | 845 (≥) | 13 | 23 | 14 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 111 |
| 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 |
|---|---|---|---|---|---|---|---|
| 32 | - | - | 0.42 | - | |||
| 247 | 762 | - | 43.3 | 243 | - | ||
| 955 | - | 34 | 11.2 | 144 | 133 |
Heat treated : 1937°C - 1817°C
| Grade | Standard | Country | Application |
|---|---|---|---|
| NCF800 | |||
| NCF800H | |||
| NCF800 TP | |||
| NCF800 TB | |||
| NCF800H TP | |||
| NCF800H TB | |||
| NCF800H TB | |||
| NCF800H TP | |||
| NCF800 TB | |||
| NCF800 TP | |||
| NCF800H | |||
| NCF800 | |||
| NCF800H | |||
| NCF800H | |||
| NCF800 | |||
| NCF800 | |||
| NCF800TP | |||
| NCF800TP | |||
| NCF800TB | |||
| NCF800TB |
| D 3587 (1991) | Steel tubes for fired heater | D-3587-(1991).pdf |
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