HF - Fondinox

ACI/CAST GRADE	CAST ASTM	CAST EN/DIN	CAST UNS	WROUGHT UNS	WROUGHT GRADE
HF	A297	–	–	–	AISI 302

CHEMICAL COMPOSITION (wt%, TYPICAL VALUES)
C	Cr	Ni	Si	Other
0.30	20.5	10.0	1.8	–

CASTINGS MINIMUM MECHANICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED)
Rp_0.2[MPa]	Rm [MPa]	A %	Hardness [HB]	Impact [J]
240	485	25	–	–

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
–	40	19	9	2	–	40	25	12	5	–	–

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]
Austeniter, Carbides	7.75	19	14.4	586	1400

WORKING CONDITIONS / FABRICATION
Heat Treatment	Max working T in air [°C]	Machinability [100 = CF8M]	Patternmaker’s Shrinkage [%]
As Cast	870	–	2.4

CHEMICAL COMPOSITION (wt%, TYPICAL VALUES)
Categoria:	Fe-Cr-Ni
ACI/CAST GRADE	HF
CAST ASTM	A297
CAST EN/DIN	–
CAST UNS	–
WROUGHT UNS	–
WROUGHT GRADE	AISI 302
C	0.30
Cr	20.5
Ni	10.0
Si	1.8
Other	–
CASTINGS MINIMUM MECHANICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED)
Rp_0.2[MPa]	240
Rm [MPa]	485
A %	25
Hardness [HB]	–
Impact [J]	–
CREEP LIMIT
Creep limit 1% 10.000 hours MPa at °C
600	–
700	40
800	19
900	9
1000	2
1100	–
Creep strength for 100.000 hours MPa at °C
600	40
700	25
800	12
900	5
1000	–
1100	–
PHYSICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED)
Microstructure	Austeniter, Carbides
ρ [kg/dm³]	7.75
α [μm/m∙K] (20 – 100 °C)	19
K [W/m∙K]	14.4
Cp [J/kg∙K]	586
Melting ΔT [°C]	1400
WORKING CONDITIONS / FABRICATION
Heat Treatment	As Cast
Max working T in air [°C]	870
Machining	–
Patternmaker’s Shrinkage [%]	2.4