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253MA®

ACI/CAST
GRADE
CAST ASTM CAST EN/DIN CAST UNS WROUGHT
UNS
WROUGHT
GRADE
- - 1.4893 X8CrNiN21-11 - S30815 253MA®
CHEMICAL COMPOSITION (wt%, TYPICAL VALUES)
C Cr Ni Mo Other PREn
<0.20 21.0 11.0 - Ce
CASTINGS MINIMUM MECHANICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED)
Rp0.2[MPa] Rm [MPa] A % Hardness [HB] Impact [J]
260 530 20 - -
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 Weldability Machinability [100 = CF8M] Patternmaker’s Shrinkage [%]
As Cast Very Good - 2.4
Categoria: Outokumpu Oy
ACI/CAST
GRADE
-
CAST ASTM -
CAST EN/DIN 1.4893 X8CrNiN21-11
CAST UNS -
WROUGHT
UNS
S30815
WROUGHT
GRADE
253MA®
CHEMICAL COMPOSITION (wt%, TYPICAL VALUES)
C <0.20
Cr 21.0
Ni 11.0
Mo -
Other Ce
PREn
CASTINGS MINIMUM MECHANICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED)
Rp0.2[MPa] 260
Rm [MPa] 530
A % 20
Hardness [HB] -
Impact [J] -
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
Weldability Very Good
Machining -
Patternmaker’s Shrinkage [%] 2.4

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