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NCF 825 TB

Japan JIS NCF825TB 无缝镍 - 铬 - 铁合金热交换器管 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: NCF825TB / NCF 825 TB
Category Grade Standard Region/Area Standard Content
Metals NCF 825 TB JIS G4904 Japan 无缝镍 - 铬 - 铁合金热交换器管

Chemical composition(mass fraction)(wt.%) of the NCF 825 TB

Element Min Max Similar
Ti 0.6000 1.2000 -
Si - 0.5000 -
S - 0.0150 -
P - 0.0300 -
Ni 38.0000 46.0000 -
Mo 2.5000 3.5000 -
Mn - 1.0000 -
Fe - - -
Cu 1.5000 3.0000 -
Cr 19.5000 23.5000 -
C - 0.0500 -
Al - 0.2000 -

Mechanical Properties of steel grade NCF 825 TB

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)
562 (≥) 543 (≥) 41 14 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 413

Physical Properties of steel grade NCF 825 TB

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 - -     0.32 -  
851 729 - 12.3 113   -  
269 - 34 11.2   333 442

Heat Treatment of steel grade NCF 825 TB

Heat treated : 1463°C - 1627°C

Technological Curves of steel grade NCF 825 TB

Cross Reference Table (Equivalent Grade) of NCF 825 TB

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