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HPMod

ACI/CAST
GRADE
CAST ASTM CAST EN/DIN CAST UNS WROUGHT
UNS
WROUGHT
GRADE
HPNb - 1.4852 GX40NiCrNb35-25 - - -
CHEMICAL COMPOSITION (wt%, TYPICAL VALUES)
C Cr Ni Si Other
0.40 25.0 35.0 1.8 1.3Nb
CASTINGS MINIMUM MECHANICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED)
Rp0.2[MPa] Rm [MPa] A % Hardness [HB] Impact [J]
235 435 8 - -
CREEP LIMIT
Creep limit 1% 10.000 hours MPa at °C Creep strength for 100.000 hours MPa at °C
600 700 800 900 1000 1100 600 700 800 900 1000 1100
- 62 43 27 14 2.5 - 65 42 26 12.5 3.5
PHYSICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED)
Microstructure ρ [kg/dm3] α [μm/m∙K] (20 - 100 °C) K [W/m∙K] Cp [J/kg∙K] Melting ΔT [°C]
ustenitic, Carbides 8.0 20 13 460 1344 (L)
WORKING CONDITIONS / FABRICATION
Heat Treatment Max working T in air [°C] Machinability [100 = CF8M] Patternmaker’s Shrinkage [%]
As Cast 1120 - 2.3
Categoria: Fe-Ni-Cr
ACI/CAST
GRADE
HPNb
CAST ASTM -
CAST EN/DIN 1.4852 GX40NiCrNb35-25
CAST UNS -
WROUGHT
UNS
-
WROUGHT
GRADE
-
CHEMICAL COMPOSITION (wt%, TYPICAL VALUES)
C 0.40
Cr 25.0
Ni 35.0
Si 1.8
Other 1.3Nb
CASTINGS MINIMUM MECHANICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED)
Rp0.2[MPa] 235
Rm [MPa] 435
A % 8
Hardness [HB] -
Impact [J] -
CREEP LIMIT
Creep limit 1% 10.000 hours MPa at °C
600 -
700 62
800 43
900 27
1000 14
1100 2.5
Creep strength for 100.000 hours MPa at °C
600 -
700 65
800 42
900 26
1000 12.5
1100 3.5
PHYSICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED)
Microstructure ustenitic, Carbides
ρ [kg/dm3] 8.0
α [μm/m∙K] (20 - 100 °C) 20
K [W/m∙K] 13
Cp [J/kg∙K] 460
Melting ΔT [°C] 1344 (L)
WORKING CONDITIONS / FABRICATION
Heat Treatment As Cast
Max working T in air [°C] 1120
Machining -
Patternmaker’s Shrinkage [%] 2.3

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