Fondinox > 28Cr/48Ni/5W

28Cr/48Ni/5W

ACI/CAST
GRADE
CAST ASTM CAST EN/DIN CAST UNS WROUGHT
UNS
WROUGHT
GRADE
28Cr/48Ni/5W - 2.4879 GNiCr28W - - -
CHEMICAL COMPOSITION (wt%, TYPICAL VALUES)
C Cr Ni Si Other
0.42 28.5 48.5 1.3 4.75W
CASTINGS MINIMUM MECHANICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED)
Rp0.2[MPa] Rm [MPa] A % Hardness [HB] Impact [J]
220 400 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 55 24 11 4.5 - 73 50 24 11 4
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 8.30 - - - -
WORKING CONDITIONS / FABRICATION
Heat Treatment Max working T in air [°C] Machinability [100 = CF8M] Patternmaker’s Shrinkage [%]
As Cast 1150 - 2.2
Categoria: Nickel and Cobalt Base
ACI/CAST
GRADE
28Cr/48Ni/5W
CAST ASTM -
CAST EN/DIN 2.4879 GNiCr28W
CAST UNS -
WROUGHT
UNS
-
WROUGHT
GRADE
-
CHEMICAL COMPOSITION (wt%, TYPICAL VALUES)
C 0.42
Cr 28.5
Ni 48.5
Si 1.3
Other 4.75W
CASTINGS MINIMUM MECHANICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED)
Rp0.2[MPa] 220
Rm [MPa] 400
A % 3
Hardness [HB] -
Impact [J] -
CREEP LIMIT
Creep limit 1% 10.000 hours MPa at °C
600 -
700 70
800 55
900 24
1000 11
1100 4.5
Creep strength for 100.000 hours MPa at °C
600 -
700 73
800 50
900 24
1000 11
1100 4
PHYSICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED)
Microstructure Austenitic, Carbides
ρ [kg/dm3] 8.30
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 [%] 2.2

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