Matériaux
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Haynes® 188

Haynes® 188 alloy is a cobalt-nickel-chromium-tungsten alloy that possesses excellent strength and corrosion resistance at elevated temperatures.

 

Composition chimique
Composition UNS N07001 %
Carbone 0.1
Manganèse 1.25 max
Silicium 0.35
Chrome 22
Tungstène 14
Fer 3 max
Cobalt 39 balance
Lanthanum 0.03
Bore 0.02 max
Nickel 22.00

 

Propriétés physiques
  Métrique Anglais
Densité 8.98 g/cm³ 0.324 lbs/in³
Modulus of elasticity 232 GPa 33.7 mpsi
Electrical resistivity 101.0 µohms/m 39.6 µohms/in
Thermal conductivity 10.4 W/m-K 72 Btu-in/ft²hr-°F

*values calculated at room temperature

 

Propriétés mécaniques
Cold worked % Yield strength Ultimate tensile strength Elongation %
0 938 MPa [136 ksi] 1324 MPa [192 ksi] 34
20 1110 MPa [161 ksi] 1544 MPa [224 ksi] 5.6
37 1641 MPa [238 ksi] 2013 MPa [292 ksi] 4.1
50 1813 MPa [263 ksi] 2165 MPa [314 ksi] 3.3

All data represent results from a 25.4 cm [10 in] test gauge length. Values are typical and may not represent all diameters. Test method will affect results.