HU - Fondinox

ACI/CAST GRADE	CAST ASTM	CAST EN/DIN	CAST UNS	WROUGHT UNS	WROUGHT GRADE
HU	A297	1.4865 GX40NiCrSi38-18	N08004	–	–

CHEMICAL COMPOSITION (wt%, TYPICAL VALUES)
C	Cr	Ni	Si	Other
0.40	18.0	37.5	1.8	–

CASTINGS MINIMUM MECHANICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED)
Rp_0.2[MPa]	Rm [MPa]	A %	Hardness [HB]	Impact [J]
–	450	4	–	–

CREEP LIMIT
Creep limit 1% 10.000 hours MPa at °C						Creep strength for 100.000 hours MPa at °C
600	700	800	900	1000	1100	600	700	800	900	1000	1100
–	52	34	20	6	–	–	50	32	19	6	–

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, Carbides	8.04	15.8	12.1	460	1340

WORKING CONDITIONS / FABRICATION
Heat Treatment	Max working T in air [°C]	Machinability [100 = CF8M]	Patternmaker’s Shrinkage [%]
As Cast	1050	–	2.3

CHEMICAL COMPOSITION (wt%, TYPICAL VALUES)
Categoria:	Fe-Ni-Cr
ACI/CAST GRADE	HU
CAST ASTM	A297
CAST EN/DIN	1.4865 GX40NiCrSi38-18
CAST UNS	N08004
WROUGHT UNS	–
WROUGHT GRADE	–
C	0.40
Cr	18.0
Ni	37.5
Si	1.8
Other	–
CASTINGS MINIMUM MECHANICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED)
Rp_0.2[MPa]	–
Rm [MPa]	450
A %	4
Hardness [HB]	–
Impact [J]	–
CREEP LIMIT
Creep limit 1% 10.000 hours MPa at °C
600	–
700	52
800	34
900	20
1000	6
1100	–
Creep strength for 100.000 hours MPa at °C
600	–
700	50
800	32
900	19
1000	6
1100	–
PHYSICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED)
Microstructure	Austenitic, Carbides
ρ [kg/dm³]	8.04
α [μm/m∙K] (20 – 100 °C)	15.8
K [W/m∙K]	12.1
Cp [J/kg∙K]	460
Melting ΔT [°C]	1340
WORKING CONDITIONS / FABRICATION
Heat Treatment	As Cast
Max working T in air [°C]	1050
Machining	–
Patternmaker’s Shrinkage [%]	2.3