Korea KS D 3757 (2003), NCF600TB Specialsteel Seamless nickel-chromium-iron alloy heat exchanger tubes and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Class | Grade | Standard | Country | Application |
|---|---|---|---|---|---|
| Steel Grades | Specialsteel | NCF600TB | KS | Korea | Seamless nickel-chromium-iron alloy heat exchanger tubes |
| C | Si | Mn | P | S | Cr | Ni | Cu | Al | Ti | Fe |
|---|---|---|---|---|---|---|---|---|---|---|
| ≤0.15 | ≤0.50 | ≤1.00 | ≤0.030 | ≤0.015 | 14.00 -17.00 | 72.00 - ≥ | ≤0.50 | ≤ ≥ | ≤ ≥ | 6.00 -10.00 |
| 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) |
|---|---|---|---|---|---|---|
| 621 (≥) | 724 (≥) | 44 | 41 | 41 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 224 |
| 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 |
|---|---|---|---|---|---|---|---|
| 11 | - | - | 0.24 | - | |||
| 747 | 245 | - | 21.3 | 413 | - | ||
| 275 | - | 32 | 34.2 | 411 | 333 |
Heat treated : 1398°C - 1357°C
| Grade | Standard | Country | Application |
|---|---|---|---|
| NCF600 | |||
| NCF600 TP | |||
| NCF600 TB | |||
| NCF600 TB | |||
| NCF600 TP | |||
| NCF600 | |||
| NCF600 | |||
| NCF600 | |||
| NCF600TP | |||
| NCF600TP | |||
| NCF600TB | |||
| NCF600TB |
| D 3757 (2003) | Seamless nickel-chromium-iron alloy heat exchanger tubes | D-3757-(2003).pdf |
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