Korea KS D 3758 (2003), NCF625TP Specialsteel Seamless nickel-chromium-iron alloy pipes and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Class | Grade | Standard | Country | Application | 
|---|---|---|---|---|---|
| Steel Grades | Specialsteel | NCF625TP | KS | Korea | Seamless nickel-chromium-iron alloy pipes | 
| C | Si | Mn | P | S | Cr | Ni | Cu | Al | Ti | Fe | Nb+Ta | Mo | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ≤0.10 | ≤0.50 | ≤0.50 | ≤0.015 | ≤0.015 | 20.00 -23.00 | 58.00 - ≥ | ≤ ≥ | ≤0.40 | ≤0.40 | ≤5.00 | 3.15 -4.15 | 8.00 -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) | 
|---|---|---|---|---|---|---|
| 481 (≥) | 239 (≥) | 42 | 33 | 13 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 331 | 
| 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 | - | - | 0.12 | - | |||
| 422 | 836 | - | 14.3 | 142 | - | ||
| 124 | - | 42 | 11.2 | 214 | 442 | 
Heat treated : 1333°C - 1394°C
| Grade | Standard | Country | Application | 
|---|---|---|---|
| NCF625 | |||
| NCF625 TP | |||
| NCF625 TB | |||
| NCF625 TB | |||
| NCF625 TP | |||
| NCF625 | |||
| NCF625 | |||
| NCF625 | |||
| NCF625TB | |||
| NCF625TB | |||
| NCF625TP | |||
| NCF625TP | 
| D 3758 (2003) | Seamless nickel-chromium-iron alloy pipes | D-3758-(2003).pdf | 
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