HN - Fondinox

ACI/CAST GRADE	CAST ASTM	CAST EN/DIN	CAST UNS	WROUGHT UNS	WROUGHT GRADE
HN	A297	–	J94213	–	–

CHEMICAL COMPOSITION (wt%, TYPICAL VALUES)
C	Cr	Ni	Si	Other
0.35	21.0	25.0	2.0	2.0Mn

CASTINGS MINIMUM MECHANICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED)
Rp_0.2[MPa]	Rm [MPa]	A %	Hardness [HB]	Impact [J]
–	435	8	–	–

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
–	45	28	17	6.5	–	–	42	28	16	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	7.83	18.2	13	460	1373 (L)

WORKING CONDITIONS / FABRICATION
Heat Treatment	Max working T in air [°C]	Machinability [100 = CF8M]	Patternmaker’s Shrinkage [%]
As Cast	1050	–	2.4

CHEMICAL COMPOSITION (wt%, TYPICAL VALUES)
Categoria:	Fe-Ni-Cr
ACI/CAST GRADE	HN
CAST ASTM	A297
CAST EN/DIN	–
CAST UNS	J94213
WROUGHT UNS	–
WROUGHT GRADE	–
C	0.35
Cr	21.0
Ni	25.0
Si	2.0
Other	2.0Mn
CASTINGS MINIMUM MECHANICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED)
Rp_0.2[MPa]	–
Rm [MPa]	435
A %	8
Hardness [HB]	–
Impact [J]	–
CREEP LIMIT
Creep limit 1% 10.000 hours MPa at °C
600	–
700	45
800	28
900	17
1000	6.5
1100	–
Creep strength for 100.000 hours MPa at °C
600	–
700	42
800	28
900	16
1000	6
1100	–
PHYSICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED)
Microstructure	Austenitic, Carbides
ρ [kg/dm³]	7.83
α [μm/m∙K] (20 – 100 °C)	18.2
K [W/m∙K]	13
Cp [J/kg∙K]	460
Melting ΔT [°C]	1373 (L)
WORKING CONDITIONS / FABRICATION
Heat Treatment	As Cast
Max working T in air [°C]	1050
Machining	–
Patternmaker’s Shrinkage [%]	2.4