ACI/CAST
GRADE
CAST ASTM CAST EN/DIN CAST UNS WROUGHT
UNS
WROUGHT
GRADE
1.4826 1.4826 GX40CrNiSi22-9
CHEMICAL COMPOSITION (wt%, TYPICAL VALUES)
C Cr Ni Si Other
0.40 22.0 10.0 1.8
CASTINGS MINIMUM MECHANICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED)
Rp0.2[MPa] Rm [MPa] A % Hardness [HB] Impact [J]
230 440 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
82 46 23 10 47 25 12 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]
Austenitic, Carbides 7.8
WORKING CONDITIONS / FABRICATION
Heat Treatment Max working T in air [°C] Machinability [100 = CF8M] Patternmaker’s Shrinkage [%]
As Cast 950 2.4
Categoria: Fe-Cr-Ni
ACI/CAST
GRADE
1.4826
CAST ASTM
CAST EN/DIN 1.4826 GX40CrNiSi22-9
CAST UNS
WROUGHT
UNS
WROUGHT
GRADE
CHEMICAL COMPOSITION (wt%, TYPICAL VALUES)
C 0.40
Cr 22.0
Ni 10.0
Si 1.8
Other
CASTINGS MINIMUM MECHANICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED)
Rp0.2[MPa] 230
Rm [MPa] 440
A % 8
Hardness [HB]
Impact [J]
CREEP LIMIT
Creep limit 1% 10.000 hours MPa at °C
600 82
700 46
800 23
900 10
1000
1100
Creep strength for 100.000 hours MPa at °C
600 47
700 25
800 12
900 5
1000
1100
PHYSICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED)
Microstructure Austenitic, Carbides
ρ [kg/dm3] 7.8
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] 950
Machining
Patternmaker’s Shrinkage [%] 2.4

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