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America UNS S17400 沉淀硬化铬镍铜合金不锈钢(17-4 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: S17400 / S17400
Category Grade Standard Region/Area Standard Content
Metals S17400 -- America 沉淀硬化铬镍铜合金不锈钢(17-4

Chemical composition(mass fraction)(wt.%) of the S17400

Element Min Max Similar
Si - 1.0000 -
S - 0.0300 -
P - 0.0400 -
Ni 3.0000 5.0000 -
Mn - 1.0000 -
Cu 3.0000 5.0000 -
Cr 15.0000 17.5000 -
Cb 0.1500 0.4500 -
C - 0.0700 -

Mechanical Properties of steel grade S17400

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)
735 (≥) 675 (≥) 22 34 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 434

Physical Properties of steel grade S17400

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
14 - -     0.23 -  
767 875 - 33.3 314   -  
641 - 13 44.2   312 424

Heat Treatment of steel grade S17400

Heat treated : 1639°C - 1159°C

Technological Curves of steel grade S17400

Cross Reference Table (Equivalent Grade) of S17400

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