ACI/CAST
GRADE
CAST ASTM CAST EN/DIN CAST UNS WROUGHT
UNS
WROUGHT
GRADE
654 SMO 1.4652 S32654
CHEMICAL COMPOSITION (wt%, TYPICAL VALUES)
C Cr Ni Mo Other PREn
<0.025 24.0 22.0 7.5 0.50N, 3.5Mn
CASTINGS MINIMUM MECHANICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED)
Rp0.2[MPa] Rm [MPa] A % Hardness [HB] Impact [J]
340 620 35 180-220 120
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 8.0 15 11 500
WORKING CONDITIONS / FABRICATION
Heat Treatment Weldability Machinability [100 = CF8M] Patternmaker’s Shrinkage [%]
Solution Annealing Excellent 2.6
Categoria: Superaustenitic
ACI/CAST
GRADE
654 SMO
CAST ASTM
CAST EN/DIN 1.4652
CAST UNS
WROUGHT
UNS
S32654
WROUGHT
GRADE
CHEMICAL COMPOSITION (wt%, TYPICAL VALUES)
C <0.025
Cr 24.0
Ni 22.0
Mo 7.5
Other 0.50N, 3.5Mn
PREn
CASTINGS MINIMUM MECHANICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED)
Rp0.2[MPa] 340
Rm [MPa] 620
A % 35
Hardness [HB] 180-220
Impact [J] 120
PHYSICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED)
Microstructure Austenitic
ρ [kg/dm3] 8.0
α [μm/m∙K] (20 – 100 °C) 15
K [W/m∙K] 11
Cp [J/kg∙K] 500
Melting ΔT [°C]
WORKING CONDITIONS / FABRICATION
Heat Treatment Solution Annealing
Weldability Excellent
Machining
Patternmaker’s Shrinkage [%] 2.6

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