Japan JIS G 4904 (2008), NCF 800 TB 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 | NCF 800 TB | JIS | Japan | Seamless nickel-chromium-iron alloy heat exchanger tubes |
C | Si | Mn | P | S | Cr | Ni | Cu | Al | Ti | Fe |
---|---|---|---|---|---|---|---|---|---|---|
0.05 -0.10 | ≤1.00 | ≤1.50 | ≤0.03 | ≤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) |
---|---|---|---|---|---|---|
189 (≥) | 348 (≥) | 43 | 23 | 11 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 333 |
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 |
---|---|---|---|---|---|---|---|
42 | - | - | 0.22 | - | |||
572 | 432 | - | 23.3 | 124 | - | ||
778 | - | 21 | 42.2 | 221 | 212 |
Heat treated : 1737°C - 1146°C
G 4904 (2008) | Seamless nickel-chromium-iron alloy heat exchanger tubes | G-4904-(2008).pdf |
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