CN7MS - Fondinox

ACI/CAST GRADE	CAST ASTM	CAST EN/DIN	CAST UNS	WROUGHT UNS	WROUGHT GRADE
CN7MS	A351, A744	–	J94650	–	–

CHEMICAL COMPOSITION (wt%, TYPICAL VALUES)
C	Cr	Ni	Mo	Other	PREn
<0.07	19.0	23.5	2.7	1.6Cu, 3.0Si	–

CASTINGS MINIMUM MECHANICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED)
Rp_0.2[MPa]	Rm [MPa]	A %	Hardness [HB]	Impact [J]
205	485	35	150-220	50

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)	8.0	–		–	–

WORKING CONDITIONS / FABRICATION
Heat Treatment	Weldability	Machinability [100 = CF8M]	Patternmaker’s Shrinkage [%]
Solution Annealing	Acceptable with Precautions	–	2.9

CHEMICAL COMPOSITION (wt%, TYPICAL VALUES)
Categoria:	Superaustenitic
ACI/CAST GRADE	CN7MS
CAST ASTM	A351, A744
CAST EN/DIN	–
CAST UNS	J94650
WROUGHT UNS	–
WROUGHT GRADE	–
C	<0.07
Cr	19.0
Ni	23.5
Mo	2.7
Other	1.6Cu, 3.0Si
PREn	–
CASTINGS MINIMUM MECHANICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED)
Rp_0.2[MPa]	205
Rm [MPa]	485
A %	35
Hardness [HB]	150-220
Impact [J]	50
PHYSICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED)
Microstructure	Austenitic, (intermetallics)
ρ [kg/dm³]	8.0
α [μm/m∙K] (20 – 100 °C)	–
K [W/m∙K]
Cp [J/kg∙K]	–
Melting ΔT [°C]	–
WORKING CONDITIONS / FABRICATION
Heat Treatment	Solution Annealing
Weldability	Acceptable with Precautions
Machining	–
Patternmaker’s Shrinkage [%]	2.9