CF8 - Fondinox

ACI/CAST GRADE	CAST ASTM	CAST EN/DIN	CAST UNS	WROUGHT UNS	WROUGHT GRADE
CF8	A351, A743, A744	1.4308 GX6CrNi189	J92600	S30400	AISI 304

CHEMICAL COMPOSITION (wt%, TYPICAL VALUES)
C	Cr	Ni	Mo	Other	PREn
<0.08	19.5	9.5	<0.5	–

CASTINGS MINIMUM MECHANICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED)
Rp_0.2[MPa]	Rm [MPa]	A %	Hardness [HB]	Impact [J]
205	485	35	140-200	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, (δ ferrite)	7.75	16	14.7	452	1399-1454

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

CHEMICAL COMPOSITION (wt%, TYPICAL VALUES)
Categoria:	Austenitic
ACI/CAST GRADE	CF8
CAST ASTM	A351, A743, A744
CAST EN/DIN	1.4308 GX6CrNi189
CAST UNS	J92600
WROUGHT UNS	S30400
WROUGHT GRADE	AISI 304
C	<0.08
Cr	19.5
Ni	9.5
Mo	<0.5
Other	–
PREn
CASTINGS MINIMUM MECHANICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED)
Rp_0.2[MPa]	205
Rm [MPa]	485
A %	35
Hardness [HB]	140-200
Impact [J]	120
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]	452
Melting ΔT [°C]	1399-1454
WORKING CONDITIONS / FABRICATION
Heat Treatment	Solution Annealed
Weldability	Excellent
Machining	100
Patternmaker’s Shrinkage [%]	2.6