ACI/CAST
GRADE
CAST ASTM CAST EN/DIN CAST UNS WROUGHT
UNS
WROUGHT
GRADE
CA40 A743 1.4729 GX40CrSi13 J91553
CHEMICAL COMPOSITION (wt%, TYPICAL VALUES)
C Cr Ni Si Other
0.38 13.0 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 9 3.5 1
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 850 2
Categoria: Fe-Cr
ACI/CAST
GRADE
CA40
CAST ASTM A743
CAST EN/DIN 1.4729 GX40CrSi13
CAST UNS J91553
WROUGHT
UNS
WROUGHT
GRADE
CHEMICAL COMPOSITION (wt%, TYPICAL VALUES)
C 0.38
Cr 13.0
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
700 9
800 3.5
900 1
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] 850
Machining
Patternmaker’s Shrinkage [%] 2

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