CF8C - Fondinox

ACI/CAST GRADE	CAST ASTM	CAST EN/DIN	CAST UNS	WROUGHT UNS	WROUGHT GRADE
CF8C	A351, A743, A744	1.4552, GX5CrNiNb18-9	J92910	S34700	AISI 347

CHEMICAL COMPOSITION (wt%, TYPICAL VALUES)
C	Cr	Ni	Mo	Other	PREn
<0.08	19.5	10.5	<0.5	Nb>8x%C

CASTINGS MINIMUM MECHANICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED)
Rp_0.2[MPa]	Rm [MPa]	A %	Hardness [HB]	Impact [J]
205	485	30	140-200	80

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 (δ ferrite)	7.75	16	14.7	448	1399-1454

WORKING CONDITIONS / FABRICATION
Heat Treatment	Weldability	Machinability [100 = CF8M]	Patternmaker’s Shrinkage [%]
Solution Annealing	Excellent		2.7

CHEMICAL COMPOSITION (wt%, TYPICAL VALUES)
Categoria:	Austenitic
ACI/CAST GRADE	CF8C
CAST ASTM	A351, A743, A744
CAST EN/DIN	1.4552, GX5CrNiNb18-9
CAST UNS	J92910
WROUGHT UNS	S34700
WROUGHT GRADE	AISI 347
C	<0.08
Cr	19.5
Ni	10.5
Mo	<0.5
Other	Nb>8x%C
PREn
CASTINGS MINIMUM MECHANICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED)
Rp_0.2[MPa]	205
Rm [MPa]	485
A %	30
Hardness [HB]	140-200
Impact [J]	80
PHYSICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED)
Microstructure	Austenitic (δ ferrite)
ρ [kg/dm³]	7.75
α [μm/m∙K] (20 – 100 °C)	16
K [W/m∙K]	14.7
Cp [J/kg∙K]	448
Melting ΔT [°C]	1399-1454
WORKING CONDITIONS / FABRICATION
Heat Treatment	Solution Annealing
Weldability	Excellent
Machining
Patternmaker’s Shrinkage [%]	2.7