Fondinox > 24Cr/24NiNb

24Cr/24NiNb

ACI/CAST
GRADE
CAST ASTM CAST EN/DIN CAST UNS WROUGHT
UNS
WROUGHT
GRADE
24Cr/24NiNb - 1.4855 GX30CrNiSiNb24-24 - - IN319
CHEMICAL COMPOSITION (wt%, TYPICAL VALUES)
C Cr Ni Si Other
0.33 24.0 24.0 1.3 1.5Nb
CASTINGS MINIMUM MECHANICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED)
Rp0.2[MPa] Rm [MPa] A % Hardness [HB] Impact [J]
220 450 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
- 70 42 22 9 - - 65 38 19 7 -
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]
Austenitic, Carbides 7.9 - - - -
WORKING CONDITIONS / FABRICATION
Heat Treatment Max working T in air [°C] Machinability [100 = CF8M] Patternmaker’s Shrinkage [%]
As Cast 1070 - 2.3
Categoria: Fe-Cr-Ni
ACI/CAST
GRADE
24Cr/24NiNb
CAST ASTM -
CAST EN/DIN 1.4855 GX30CrNiSiNb24-24
CAST UNS -
WROUGHT
UNS
-
WROUGHT
GRADE
IN319
CHEMICAL COMPOSITION (wt%, TYPICAL VALUES)
C 0.33
Cr 24.0
Ni 24.0
Si 1.3
Other 1.5Nb
CASTINGS MINIMUM MECHANICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED)
Rp0.2[MPa] 220
Rm [MPa] 450
A % 8
Hardness [HB] -
Impact [J] -
CREEP LIMIT
Creep limit 1% 10.000 hours MPa at °C
600 -
700 70
800 42
900 22
1000 9
1100 -
Creep strength for 100.000 hours MPa at °C
600 -
700 65
800 38
900 19
1000 7
1100 -
PHYSICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED)
Microstructure Austenitic, Carbides
ρ [kg/dm3] 7.9
α [μm/m∙K] (20 - 100 °C) -
K [W/m∙K] -
Cp [J/kg∙K] -
Melting ΔT [°C] -
WORKING CONDITIONS / FABRICATION
Heat Treatment As Cast
Max working T in air [°C] 1070
Machining -
Patternmaker’s Shrinkage [%] 2.3

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