UMCO51 - Fondinox

ACI/CAST GRADE	CAST ASTM	CAST EN/DIN	CAST UNS	WROUGHT UNS	WROUGHT GRADE
UMCO51	–	2.4779 GCoCr28Nb	–	–	–

CHEMICAL COMPOSITION (wt%, TYPICAL VALUES)
C	Cr	Ni	Si	Other
0.03	28.5	–	1.0	50.0Co

CASTINGS MINIMUM MECHANICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED)
Rp_0.2[MPa]	Rm [MPa]	A %	Hardness [HB]	Impact [J]
–	540	3	–	–

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
–	70	42	21	10	4.5	–	65	35	14	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]
Austenitic, Carbides	7.96	–	–	–	–

WORKING CONDITIONS / FABRICATION
Heat Treatment	Max working T in air [°C]	Machinability [100 = CF8M]	Patternmaker’s Shrinkage [%]
As Cast	1150	–	2.3

CHEMICAL COMPOSITION (wt%, TYPICAL VALUES)
Categoria:	Nickel and Cobalt Base
ACI/CAST GRADE	UMCO51
CAST ASTM	–
CAST EN/DIN	2.4779 GCoCr28Nb
CAST UNS	–
WROUGHT UNS	–
WROUGHT GRADE	–
C	0.03
Cr	28.5
Ni	–
Si	1.0
Other	50.0Co
CASTINGS MINIMUM MECHANICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED)
Rp_0.2[MPa]	–
Rm [MPa]	540
A %	3
Hardness [HB]	–
Impact [J]	–
CREEP LIMIT
Creep limit 1% 10.000 hours MPa at °C
600	–
700	70
800	42
900	21
1000	10
1100	4.5
Creep strength for 100.000 hours MPa at °C
600	–
700	65
800	35
900	14
1000	5
1100	–
PHYSICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED)
Microstructure	Austenitic, Carbides
ρ [kg/dm³]	7.96
α [μm/m∙K] (20 – 100 °C)	–
K [W/m∙K]	–
Cp [J/kg∙K]	–
Melting ΔT [°C]	–
WORKING CONDITIONS / FABRICATION
Heat Treatment	As Cast
Max working T in air [°C]	1150
Machining	–
Patternmaker’s Shrinkage [%]	2.3