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America ASTM 4N5 钽和钽合金板,薄板和带材 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 4N5 / 4N5
Category Grade Standard Region/Area Standard Content
Metals 4N5 ASTM B708 America 钽和钽合金板,薄板和带材

Chemical composition(mass fraction)(wt.%) of the 4N5

Element Min Max Similar
Cl - 0.0001 -
Li - 0.0001 -
U - - -
Th - - -
C - 0.0040 -
Mn - 0.0001 -
S - 0.0001 -
Si - 0.0001 -
Ni - 0.0001 -
Cr - 0.0001 -
Mo - 0.0015 -
Cu - 0.0001 -
V - 0.0001 -
W - 0.0030 -
Ti - 0.0001 -
Ca - 0.0001 -
Zr - 0.0001 -
Cd - 0.0001 -
N - 0.0040 -
Al - 0.0001 -
Ta 99.9500 - -
Nb - 0.0040 -
Zn - 0.0001 -
Mg - 0.0001 -
Sn - 0.0001 -
K - 0.0001 -
Na - 0.0001 -
Fe - 0.0001 -
Co - 0.0001 -
H - 0.0010 -
O - 0.0100 -
Pb - 0.0001 -
Y - 0.0001 -
Hf - 0.0001 -
Others each - 0.0001 -
Others Total - 0.0050 -

Mechanical Properties of steel grade 4N5

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)
651 (≥) 369 (≥) 12 34 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 344

Physical Properties of steel grade 4N5

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
34 - -     0.12 -  
389 639 - 22.3 411   -  
945 - 33 23.2   121 423

Heat Treatment of steel grade 4N5

Heat treated : 1171°C - 1254°C

Technological Curves of steel grade 4N5

Cross Reference Table (Equivalent Grade) of 4N5

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