654 SMO - Fondinox

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)
Rp_0.2[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

CHEMICAL COMPOSITION (wt%, TYPICAL VALUES)
Categoria:	Superaustenitic
ACI/CAST GRADE	654 SMO
CAST ASTM	–
CAST EN/DIN	1.4652
CAST UNS	–
WROUGHT UNS	S32654
WROUGHT GRADE	–
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)
Rp_0.2[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