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CN7MS

ACI/CAST
GRADE
CAST ASTM CAST EN/DIN CAST UNS WROUGHT
UNS
WROUGHT
GRADE
CN7MS A351, A744 - J94650 - -
CHEMICAL COMPOSITION (wt%, TYPICAL VALUES)
C Cr Ni Mo Other PREn
<0.07 19.0 23.5 2.7 1.6Cu, 3.0Si -
CASTINGS MINIMUM MECHANICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED)
Rp0.2[MPa] Rm [MPa] A % Hardness [HB] Impact [J]
205 485 35 150-220 50
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, (intermetallics) 8.0 - - -
WORKING CONDITIONS / FABRICATION
Heat Treatment Weldability Machinability [100 = CF8M] Patternmaker’s Shrinkage [%]
Solution Annealing Acceptable with Precautions - 2.9
Categoria: Superaustenitic
ACI/CAST
GRADE
CN7MS
CAST ASTM A351, A744
CAST EN/DIN -
CAST UNS J94650
WROUGHT
UNS
-
WROUGHT
GRADE
-
CHEMICAL COMPOSITION (wt%, TYPICAL VALUES)
C <0.07
Cr 19.0
Ni 23.5
Mo 2.7
Other 1.6Cu, 3.0Si
PREn -
CASTINGS MINIMUM MECHANICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED)
Rp0.2[MPa] 205
Rm [MPa] 485
A % 35
Hardness [HB] 150-220
Impact [J] 50
PHYSICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED)
Microstructure Austenitic, (intermetallics)
ρ [kg/dm3] 8.0
α [μm/m∙K] (20 - 100 °C) -
K [W/m∙K]
Cp [J/kg∙K] -
Melting ΔT [°C] -
WORKING CONDITIONS / FABRICATION
Heat Treatment Solution Annealing
Weldability Acceptable with Precautions
Machining -
Patternmaker’s Shrinkage [%] 2.9

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