Korea KS D 3758 (2003), NCF690TP Specialsteel Seamless nickel-chromium-iron alloy pipes and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Class | Grade | Standard | Country | Application |
|---|---|---|---|---|---|
| Steel Grades | Specialsteel | NCF690TP | KS | Korea | Seamless nickel-chromium-iron alloy pipes |
| C | Si | Mn | P | S | Cr | Ni | Cu | Al | Ti | Fe |
|---|---|---|---|---|---|---|---|---|---|---|
| ≤0.05 | ≤0.50 | ≤0.50 | ≤0.030 | ≤0.015 | 27.00 -31.00 | 58.00 - ≥ | ≤0.50 | ≤ ≥ | ≤ ≥ | ≤ ≥ |
| 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) |
|---|---|---|---|---|---|---|
| 838 (≥) | 134 (≥) | 41 | 12 | 22 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 433 |
| 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 |
|---|---|---|---|---|---|---|---|
| 34 | - | - | 0.32 | - | |||
| 412 | 734 | - | 34.3 | 443 | - | ||
| 979 | - | 33 | 13.2 | 434 | 443 |
Heat treated : 1339°C - 1937°C
| Grade | Standard | Country | Application |
|---|---|---|---|
| NCF690 | |||
| NCF690 TP | |||
| NCF690 TB | |||
| NCF690 TB | |||
| NCF690 TP | |||
| NCF690 | |||
| NCF690 | |||
| NCF690 | |||
| NCF690TB | |||
| NCF690TB | |||
| NCF690TP | |||
| NCF690TP |
| D 3758 (2003) | Seamless nickel-chromium-iron alloy pipes | D-3758-(2003).pdf |
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