AISI 4161

AISI 4161 has high strength, resistance to intergranular corrosion and chloride stress corrosion. They have very high fatigue strength that helps to improve the lifetime of the material. They also have enough toughness and plasticity, in case of sudden brittle fracture under the action of a force 

Technical Specification AISI 4161
Nominal Composition

Mn: 2.00

Cr: 17.0 - 19.00

Ni: 8.00 - 10.0

Density

0.286 lb./in3

Modulus of Elasticity (E)

27.1x 103 ksi

Modulus of Rigidity (G)

10.1 x 103 ksi

Coefficient of Expansion  
Electrical Resistivity

245 µΩ.cm

Thermal Conductivity

309 Btu/(hr/ft2/in/°F)

Min Size

0.005 in (0.130 mm)

Max Temp

260oC (500oF)

Uses

The hot-rolled alloy spring steel with high strength involved in applications such as aerospace, automotive and petrochemical

 

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