Fondinox > HH

HH

ACI/CAST
GRADE
CAST ASTM CAST EN/DIN CAST UNS WROUGHT
UNS
WROUGHT
GRADE
HH A297 1.4837 GX40CrNiSi25-12 J93505 S30900 AISI 309
CHEMICAL COMPOSITION (wt%, TYPICAL VALUES)
C Cr Ni Si Other
0.40 25.0 12.5 1.8 -
CASTINGS MINIMUM MECHANICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED)
Rp0.2[MPa] Rm [MPa] A % Hardness [HB] Impact [J]
240 515 10 - -
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
- 44 22 11 4.5 - 45 30 15 6 2.8 -
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 7.72 20 14 502 1370
WORKING CONDITIONS / FABRICATION
Heat Treatment Max working T in air [°C] Machinability [100 = CF8M] Patternmaker’s Shrinkage [%]
As Cast 1000 - 2.4
Categoria: Fe-Cr-Ni
ACI/CAST
GRADE
HH
CAST ASTM A297
CAST EN/DIN 1.4837 GX40CrNiSi25-12
CAST UNS J93505
WROUGHT
UNS
S30900
WROUGHT
GRADE
AISI 309
CHEMICAL COMPOSITION (wt%, TYPICAL VALUES)
C 0.40
Cr 25.0
Ni 12.5
Si 1.8
Other -
CASTINGS MINIMUM MECHANICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED)
Rp0.2[MPa] 240
Rm [MPa] 515
A % 10
Hardness [HB] -
Impact [J] -
CREEP LIMIT
Creep limit 1% 10.000 hours MPa at °C
600 -
700 44
800 22
900 11
1000 4.5
1100 -
Creep strength for 100.000 hours MPa at °C
600 45
700 30
800 15
900 6
1000 2.8
1100 -
PHYSICAL PROPERTIES (AT 20°C, UNLESS OTHERWISE SPECIFIED)
Microstructure Austenitic, Carbides
ρ [kg/dm3] 7.72
α [μm/m∙K] (20 - 100 °C) 20
K [W/m∙K] 14
Cp [J/kg∙K] 502
Melting ΔT [°C] 1370
WORKING CONDITIONS / FABRICATION
Heat Treatment As Cast
Max working T in air [°C] 1000
Machining -
Patternmaker’s Shrinkage [%] 2.4

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