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HI

ACI/CAST
GRADE
CAST ASTM CAST EN/DIN CAST UNS WROUGHT
UNS
WROUGHT
GRADE
HI A297 1.4846 X40CrNi J94003 - -
CHEMICAL COMPOSITION (wt%, TYPICAL VALUES)
C Cr Ni Si Other
0.40 25.0 21.5 1.0 -
CASTINGS MINIMUM MECHANICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED)
Rp0.2[MPa] Rm [MPa] A % Hardness [HB] Impact [J]
240 485 10 - -
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
- 42 24 11 4 1.5 - 34 22 10 4 -
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 7.72 17.8 14.2 502 1390
WORKING CONDITIONS / FABRICATION
Heat Treatment Max working T in air [°C] Machinability [100 = CF8M] Patternmaker’s Shrinkage [%]
As Cast 1020 2.4
Categoria: Fe-Cr-Ni
ACI/CAST
GRADE
HI
CAST ASTM A297
CAST EN/DIN 1.4846 X40CrNi
CAST UNS J94003
WROUGHT
UNS
-
WROUGHT
GRADE
-
CHEMICAL COMPOSITION (wt%, TYPICAL VALUES)
C 0.40
Cr 25.0
Ni 21.5
Si 1.0
Other -
CASTINGS MINIMUM MECHANICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED)
Rp0.2[MPa] 240
Rm [MPa] 485
A % 10
Hardness [HB] -
Impact [J] -
CREEP LIMIT
Creep limit 1% 10.000 hours MPa at °C
600 -
700 42
800 24
900 11
1000 4
1100 1.5
Creep strength for 100.000 hours MPa at °C
600 -
700 34
800 22
900 10
1000 4
1100 -
PHYSICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED)
Microstructure Austenitic, Carbides
ρ [kg/dm3] 7.72
α [μm/m∙K] (20 - 100 °C) 17.8
K [W/m∙K] 14.2
Cp [J/kg∙K] 502
Melting ΔT [°C] 1390
WORKING CONDITIONS / FABRICATION
Heat Treatment As Cast
Max working T in air [°C] 1020
Machining
Patternmaker’s Shrinkage [%] 2.4

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