N7M - Fondinox

ACI/CAST GRADE	CAST ASTM	CAST EN/DIN	CAST UNS	WROUGHT UNS	WROUGHT GRADE
N7M	A494	2.4617 NiMo28	N30007	N10001	–

CHEMICAL COMPOSITION (wt%, TYPICAL VALUES)
C	Cr	Ni	Mo	Other	PREn
<0.07	<1.0	Bal.	31.5	Fe<3.0	–

CASTINGS MINIMUM MECHANICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED)
Rp_0.2[MPa]	Rm [MPa]	A %	Hardness [HB]	Impact [J]
275	525	20	160-230	60

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)	9.22	–	11.1	377	1370-1418

WORKING CONDITIONS / FABRICATION
Heat Treatment	Weldability	Machinability [100 = CF8M]	Patternmaker’s Shrinkage [%]
Solution Annealing	Satisfactory	44	1.8

CHEMICAL COMPOSITION (wt%, TYPICAL VALUES)
Categoria:	Nickel Base
ACI/CAST GRADE	N7M
CAST ASTM	A494
CAST EN/DIN	2.4617 NiMo28
CAST UNS	N30007
WROUGHT UNS	N10001
WROUGHT GRADE	–
C	<0.07
Cr	<1.0
Ni	Bal.
Mo	31.5
Other	Fe<3.0
PREn	–
CASTINGS MINIMUM MECHANICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED)
Rp_0.2[MPa]	275
Rm [MPa]	525
A %	20
Hardness [HB]	160-230
Impact [J]	60
PHYSICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED)
Microstructure	Austenitic, (Intermetallics)
ρ [kg/dm³]	9.22
α [μm/m∙K] (20 – 100 °C)	–
K [W/m∙K]	11.1
Cp [J/kg∙K]	377
Melting ΔT [°C]	1370-1418
WORKING CONDITIONS / FABRICATION
Heat Treatment	Solution Annealing
Weldability	Satisfactory
Machining	44
Patternmaker’s Shrinkage [%]	1.8