Fondinox > 1.4500

1.4500

ACI/CAST
GRADE
CAST ASTM CAST EN/DIN CAST UNS WROUGHT
UNS
WROUGHT
GRADE
- - 1.4500 GX7NiCrMoCuNb25-20 - - -
CHEMICAL COMPOSITION (wt%, TYPICAL VALUES)
C Cr Ni Mo Other PREn
<0.08 20.0 25.0 3.0 2.0Cu, Nb>8x%C -
CASTINGS MINIMUM MECHANICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED)
Rp0.2[MPa] Rm [MPa] A % Hardness [HB] Impact [J]
185 440 20 130-200 50
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 7.9 - - - -
WORKING CONDITIONS / FABRICATION
Heat Treatment Weldability Machinability [100 = CF8M] Patternmaker’s Shrinkage [%]
Solution Annealing Satisfactory 2.6
Categoria: Superaustenitic
ACI/CAST
GRADE
-
CAST ASTM -
CAST EN/DIN 1.4500 GX7NiCrMoCuNb25-20
CAST UNS -
WROUGHT
UNS
-
WROUGHT
GRADE
-
CHEMICAL COMPOSITION (wt%, TYPICAL VALUES)
C <0.08
Cr 20.0
Ni 25.0
Mo 3.0
Other 2.0Cu, Nb>8x%C
PREn -
CASTINGS MINIMUM MECHANICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED)
Rp0.2[MPa] 185
Rm [MPa] 440
A % 20
Hardness [HB] 130-200
Impact [J] 50
PHYSICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED)
Microstructure Austenitic
ρ [kg/dm3] 7.9
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 Satisfactory
Machining
Patternmaker’s Shrinkage [%] 2.6

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