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GX42CrNiSi25-20

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International ISO GX42CrNiSi25-20 Centrifugally cast steel and alloy products - Part 2: Heat resistant materials and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: GX42CrNiSi25-20 / GX42CrNiSi25-20
Category Grade Standard Region/Area Standard Content
Metals GX42CrNiSi25-20 ISO 13583-2 International Centrifugally cast steel and alloy products - Part 2: Heat resistant materials

Chemical composition(mass fraction)(wt.%) of the GX42CrNiSi25-20

Element Min Max Similar
Si 1.0000 2.0000 -
S - 0.0300 -
P - 0.0300 -
Ni 19.0000 21.0000 -
Mo - 0.5000 -
Mn 0.5000 1.5000 -
Cr 24.0000 26.0000 -
C 0.3800 0.4500 -

Mechanical Properties of steel grade GX42CrNiSi25-20

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)
799 (≥) 697 (≥) 24 21 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 342

Physical Properties of steel grade GX42CrNiSi25-20

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
32 - -     0.42 -  
315 544 - 11.3 444   -  
151 - 43 34.2   422 441

Heat Treatment of steel grade GX42CrNiSi25-20

Heat treated : 1567°C - 1184°C

Technological Curves of steel grade GX42CrNiSi25-20

Cross Reference Table (Equivalent Grade) of GX42CrNiSi25-20

Grade Standard Country Application
ASTM 5140
AISI 201
AISI 202
1.2767
17-4PH
AISI 1052
AISI 416Se
AISI 1330
AISI 205 Stainless Steel
AISI A10
AISI A2
AISI A3
AISI A4
1.0036
1.0037
SAE J403
UNS G10100
AMS 4924
ASTM A36
Electrode 100S-1
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