Fondinox > 1.4439

1.4439

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)
Rp0.2[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
Categoria: Austenitic
ACI/CAST
GRADE
1.4439
CAST ASTM -
CAST EN/DIN 1.4439 GX3CrNiMoN17-13-5
CAST UNS -
WROUGHT
UNS
-
WROUGHT
GRADE
-
CHEMICAL COMPOSITION (wt%, TYPICAL VALUES)
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)
Rp0.2[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

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