Fondinox > 253MA®

253MA®

ACI/CAST
GRADE
CAST ASTM CAST EN/DIN CAST UNS WROUGHT
UNS
WROUGHT
GRADE
253MA® - 1.4893 X8CrNiN - - 253MA®
CHEMICAL COMPOSITION (wt%, TYPICAL VALUES)
C Cr Ni Si Other
<0.20 21.0 11.0 1.7 Ce
CASTINGS MINIMUM MECHANICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED)
Rp0.2[MPa] Rm [MPa] A % Hardness [HB] Impact [J]
260 530 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
- 55 28 16 7 1.5 - 50 26 14 6 -
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 7.75 - - - -
WORKING CONDITIONS / FABRICATION
Heat Treatment Max working T in air [°C] Machinability [100 = CF8M] Patternmaker’s Shrinkage [%]
As Cast 1150 - 2.4
Categoria: Fe-Cr-Ni
ACI/CAST
GRADE
253MA®
CAST ASTM -
CAST EN/DIN 1.4893 X8CrNiN
CAST UNS -
WROUGHT
UNS
-
WROUGHT
GRADE
253MA®
CHEMICAL COMPOSITION (wt%, TYPICAL VALUES)
C <0.20
Cr 21.0
Ni 11.0
Si 1.7
Other Ce
CASTINGS MINIMUM MECHANICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED)
Rp0.2[MPa] 260
Rm [MPa] 530
A % 10
Hardness [HB] -
Impact [J] -
CREEP LIMIT
Creep limit 1% 10.000 hours MPa at °C
600 -
700 55
800 28
900 16
1000 7
1100 1.5
Creep strength for 100.000 hours MPa at °C
600 -
700 50
800 26
900 14
1000 6
1100 -
PHYSICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED)
Microstructure Austenitic, Carbides
ρ [kg/dm3] 7.75
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] 1150
Machining -
Patternmaker’s Shrinkage [%] 2.4

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