Fondinox > 1.4740

1.4740

ACI/CAST
GRADE
CAST ASTM CAST EN/DIN CAST UNS WROUGHT
UNS
WROUGHT
GRADE
1.4740 - 1.4740 GX40CrSi17 - - -
CHEMICAL COMPOSITION (wt%, TYPICAL VALUES)
C Cr Ni Si Other
0.38 17.0 - 1.8 -
CASTINGS MINIMUM MECHANICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED)
Rp0.2[MPa] Rm [MPa] A % Hardness [HB] Impact [J]
- - - - -
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
22.0 9.0 3.5 1.0 - - - - - - - -
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]
Ferrite, Carbides - - - - -
WORKING CONDITIONS / FABRICATION
Heat Treatment Max working T in air [°C] Machinability [100 = CF8M] Patternmaker’s Shrinkage [%]
As Cast 900 2
Categoria: Fe-Cr
ACI/CAST
GRADE
1.4740
CAST ASTM -
CAST EN/DIN 1.4740 GX40CrSi17
CAST UNS -
WROUGHT
UNS
-
WROUGHT
GRADE
-
CHEMICAL COMPOSITION (wt%, TYPICAL VALUES)
C 0.38
Cr 17.0
Ni -
Si 1.8
Other -
CASTINGS MINIMUM MECHANICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED)
Rp0.2[MPa] -
Rm [MPa] -
A % -
Hardness [HB] -
Impact [J] -
CREEP LIMIT
Creep limit 1% 10.000 hours MPa at °C
600 22.0
700 9.0
800 3.5
900 1.0
1000 -
1100 -
Creep strength for 100.000 hours MPa at °C
600 -
700 -
800 -
900 -
1000 -
1100 -
PHYSICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED)
Microstructure Ferrite, Carbides
ρ [kg/dm3] -
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] 900
Machining
Patternmaker’s Shrinkage [%] 2

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