2RK65 - Fondinox

ACI/CAST GRADE	CAST ASTM	CAST EN/DIN	CAST UNS	WROUGHT UNS	WROUGHT GRADE
2RK65	–	1.4539 x1NiCrMoCu25-20-5	–	N08904	904L

CHEMICAL COMPOSITION (wt%, TYPICAL VALUES)
C	Cr	Ni	Mo	Other	PREn
<0.03	20.0	25.0	4.5	1.5Cu	–

CASTINGS MINIMUM MECHANICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED)
Rp_0.2[MPa]	Rm [MPa]	A %	Hardness [HB]	Impact [J]
200	460	25	140-220	70

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	8.0	15.8	12	450	–

WORKING CONDITIONS / FABRICATION
Heat Treatment	Weldability	Machinability [100 = CF8M]	Patternmaker’s Shrinkage [%]
Solution Annealing	Satisfactory	–	2.8

CHEMICAL COMPOSITION (wt%, TYPICAL VALUES)
Categoria:	Superaustenitic
ACI/CAST GRADE	2RK65
CAST ASTM	–
CAST EN/DIN	1.4539 x1NiCrMoCu25-20-5
CAST UNS	–
WROUGHT UNS	N08904
WROUGHT GRADE	904L
C	<0.03
Cr	20.0
Ni	25.0
Mo	4.5
Other	1.5Cu
PREn	–
CASTINGS MINIMUM MECHANICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED)
Rp_0.2[MPa]	200
Rm [MPa]	460
A %	25
Hardness [HB]	140-220
Impact [J]	70
PHYSICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED)
Microstructure	Austenitic
ρ [kg/dm³]	8.0
α [μm/m∙K] (20 – 100 °C)	15.8
K [W/m∙K]	12
Cp [J/kg∙K]	450
Melting ΔT [°C]	–
WORKING CONDITIONS / FABRICATION
Heat Treatment	Solution Annealing
Weldability	Satisfactory
Machining	–
Patternmaker’s Shrinkage [%]	2.8