Fondinox > 2RK65

2RK65

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)
Rp0.2[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
Categoria: Superaustenitic
ACI/CAST
GRADE
2RK65
CAST ASTM -
CAST EN/DIN 1.4539 x1NiCrMoCu25-20-5
CAST UNS -
WROUGHT
UNS
N08904
WROUGHT
GRADE
904L
CHEMICAL COMPOSITION (wt%, TYPICAL VALUES)
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)
Rp0.2[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

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