1.4439 - Fondinox

ACI/CAST GRADE	CAST ASTM	CAST EN/DIN	CAST UNS	WROUGHT UNS	WROUGHT GRADE
1.4439	–	1.4439 GX3CrNiMoN17-13-5	–	–	–

CHEMICAL COMPOSITION (wt%, TYPICAL VALUES)
C	Cr	Ni	Mo	Other	PREn
<0.03	17.5	13.5	4.5	0.17N	–

CASTINGS MINIMUM MECHANICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED)
Rp_0.2[MPa]	Rm [MPa]	A %	Hardness [HB]	Impact [J]
210	490	20	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	7.75	–	–	–	–

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

CHEMICAL COMPOSITION (wt%, TYPICAL VALUES)
Categoria:	Austenitic
ACI/CAST GRADE	1.4439
CAST ASTM	–
CAST EN/DIN	1.4439 GX3CrNiMoN17-13-5
CAST UNS	–
WROUGHT UNS	–
WROUGHT GRADE	–
C	<0.03
Cr	17.5
Ni	13.5
Mo	4.5
Other	0.17N
PREn	–
CASTINGS MINIMUM MECHANICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED)
Rp_0.2[MPa]	210
Rm [MPa]	490
A %	20
Hardness [HB]	140-200
Impact [J]	120
PHYSICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED)
Microstructure	Austenitic
ρ [kg/dm³]	7.75
α [μm/m∙K] (20 – 100 °C)	–
K [W/m∙K]	–
Cp [J/kg∙K]	–
Melting ΔT [°C]	–
WORKING CONDITIONS / FABRICATION
Heat Treatment	Solution Annealing
Weldability	Excellent
Machining
Patternmaker’s Shrinkage [%]	2.6