HK40 A608 Heat-Resistant Alloy Tubing

HK40 A608 Centrifugal Cast Heat-Resistant Alloy Tubing

GradeHK40

Chemical Requirements(Composition, %)

C: 0.35–0.45

Mn: 1.5max

Si: 0.50–2.00

Cr: 23–27

Ni: 19—22

P: 0.04 max

S: 0.04 max

Mo0.50 max

Minimum Elevated Temperature Tensile Strength and Elongation Values

11400 °F [760 °C]

Tensile Strength, psi [kPa]: 29000

[200000]

Elongation, %:7.0

 

21600 °F [870 °C]

Tensile Strength, psi [kPa]: 16500

[114000]

Elongation, %:6.0

 

31800 °F [980 °C]

  

Tensile Strength, psi [kPa]: 8800

[61000]

Elongation, %:15.0

 

4、2000 °F [1095 °C]

  

Tensile Strength, psi [kPa]: 4200

[29000]

Elongation, %:22.0

 

Keywordsalloy; centrifugal casting; high temperatures; pressure containing parts; steel tube; temperature service applications

Learn more