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Poland PN 1.6359 航天系列。钢X2NiCoMo18-8-5(1.6359)。真空感应熔炼和真空电弧重熔。固溶处理和沉淀处理。钢筋a / D ≤ 150 mm. 1 750 MPa ≤ Rm ≤ 2 000 MPa and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 1.6359 / 1.6359
Category Grade Standard Region/Area Standard Content
Metals 1.6359 PN EN 3528 Poland 航天系列。钢X2NiCoMo18-8-5(1.6359)。真空感应熔炼和真空电弧重熔。固溶处理和沉淀处理。钢筋a / D ≤ 150 mm. 1 750 MPa ≤ Rm ≤ 2 000 MPa

Chemical composition(mass fraction)(wt.%) of the 1.6359

Element Min Max Similar
Ti 0.3000 0.6000 -
Si - 0.1000 -
S - 0.0100 -
P - 0.0100 -
Ni 17.0000 19.0000 -
Mo 4.6000 5.2000 -
Mn - 0.1000 -
Fe - - -
Co 7.0000 8.5000 -
C - 0.0300 -
Al 0.0500 0.1500 -

Mechanical Properties of steel grade 1.6359

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)
179 (≥) 176 (≥) 43 33 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 241

Physical Properties of steel grade 1.6359

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
24 - -     0.21 -  
274 697 - 41.3 134   -  
769 - 24 21.2   223 243

Heat Treatment of steel grade 1.6359

Heat treated : 1164°C - 1456°C

Technological Curves of steel grade 1.6359

Cross Reference Table (Equivalent Grade) of 1.6359

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