CU5MCuC - Fondinox

ACI/CAST GRADE	CAST ASTM	CAST EN/DIN	CAST UNS	WROUGHT UNS	WROUGHT GRADE
CU5MCuC	A494	2.4858 NiCr21Mo	N08826	N08825	INCOLOY 825

CHEMICAL COMPOSITION (wt%, TYPICAL VALUES)
C	Cr	Ni	Mo	Other	PREn
<0.05	21.5	39.5	3.0	0.8Nb, 3.0Cu	–

CASTINGS MINIMUM MECHANICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED)
Rp_0.2[MPa]	Rm [MPa]	A %	Hardness [HB]	Impact [J]
240	520	20	120-180	100

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	8.14	11.1	14.1	440	1370-1400

WORKING CONDITIONS / FABRICATION
Heat Treatment	Weldability	Machinability [100 = CF8M]	Patternmaker’s Shrinkage [%]
Solution Annealed, Stabilized	Satisfactory	67	2.0

CHEMICAL COMPOSITION (wt%, TYPICAL VALUES)
Categoria:	Nickel Base
ACI/CAST GRADE	CU5MCuC
CAST ASTM	A494
CAST EN/DIN	2.4858 NiCr21Mo
CAST UNS	N08826
WROUGHT UNS	N08825
WROUGHT GRADE	INCOLOY 825
C	<0.05
Cr	21.5
Ni	39.5
Mo	3.0
Other	0.8Nb, 3.0Cu
PREn	–
CASTINGS MINIMUM MECHANICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED)
Rp_0.2[MPa]	240
Rm [MPa]	520
A %	20
Hardness [HB]	120-180
Impact [J]	100
PHYSICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED)
Microstructure	Austenitic
ρ [kg/dm³]	8.14
α [μm/m∙K] (20 – 100 °C)	11.1
K [W/m∙K]	14.1
Cp [J/kg∙K]	440
Melting ΔT [°C]	1370-1400
WORKING CONDITIONS / FABRICATION
Heat Treatment	Solution Annealed, Stabilized
Weldability	Satisfactory
Machining	67
Patternmaker’s Shrinkage [%]	2.0