254 SMO® - Fondinox

ACI/CAST GRADE	CAST ASTM	CAST EN/DIN	CAST UNS	WROUGHT UNS	WROUGHT GRADE
CK3MCuN	A351	1.4547 X1CrNiMoCuN20-18-7	J93254	–	F44

CHEMICAL COMPOSITION (wt%, TYPICAL VALUES)
C	Cr	Ni	Mo	Other	PREn
<0.025	20.0	18.0	6.3	0.7Cu, 0.2N	>40

CASTINGS MINIMUM MECHANICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED)
Rp_0.2[MPa]	Rm [MPa]	A %	Hardness [HB]	Impact [J]
260	550	35	150-210	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	16.5	14	500	–

WORKING CONDITIONS / FABRICATION
Heat Treatment	Weldability	Machinability [100 = CF8M]	Patternmaker’s Shrinkage [%]
Solution Annealing	Excellent	50	2.6

CHEMICAL COMPOSITION (wt%, TYPICAL VALUES)
Categoria:	Outokumpu Oy
ACI/CAST GRADE	CK3MCuN
CAST ASTM	A351
CAST EN/DIN	1.4547 X1CrNiMoCuN20-18-7
CAST UNS	J93254
WROUGHT UNS	–
WROUGHT GRADE	F44
C	<0.025
Cr	20.0
Ni	18.0
Mo	6.3
Other	0.7Cu, 0.2N
PREn	>40
CASTINGS MINIMUM MECHANICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED)
Rp_0.2[MPa]	260
Rm [MPa]	550
A %	35
Hardness [HB]	150-210
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)	16.5
K [W/m∙K]	14
Cp [J/kg∙K]	500
Melting ΔT [°C]	–
WORKING CONDITIONS / FABRICATION
Heat Treatment	Solution Annealing
Weldability	Excellent
Machining	50
Patternmaker’s Shrinkage [%]	2.6