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FTNC70/30

China GB FTNC70/30 钽铌复合碳化物 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: FTNC70/30 / FTNC70/30
Category Grade Standard Region/Area Standard Content
Metals FTNC70/30 GB/T 26061 China 钽铌复合碳化物

Chemical composition(mass fraction)(wt.%) of the FTNC70/30

Element Min Max Similar
Total Others 7.5000 7.9000 -
Ti - 0.0100 -
Ta 64.4000 67.4000 -
Si - 0.0100 -
Nb 25.0000 28.0000 -
Na - 0.0050 -
N - 0.0200 -
Mixed carbides - 0.1500 -
K - 0.0050 -
Fe - 0.1000 -
Ca - 0.0050 -
Al - 0.0050 -

Mechanical Properties of steel grade FTNC70/30

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)
488 (≥) 125 (≥) 32 33 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 332

Physical Properties of steel grade FTNC70/30

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
21 - -     0.43 -  
376 215 - 22.3 443   -  
167 - 31 41.2   122 211

Heat Treatment of steel grade FTNC70/30

Heat treated : 1786°C - 1969°C

Technological Curves of steel grade FTNC70/30

Cross Reference Table (Equivalent Grade) of FTNC70/30

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