HK40 A608 Centrifugal Cast Heat-Resistant Alloy Tubing
Grade：HK40
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
Mo：0.50 max
Minimum Elevated Temperature Tensile Strength and Elongation Values
1、1400 °F [760 °C]
Tensile Strength, psi [kPa]： 29000
[200000]
Elongation, %：7.0
2、1600 °F [870 °C]
Tensile Strength, psi [kPa]： 16500
[114000]
Elongation, %：6.0
3、1800 °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
Keywords：alloy; centrifugal casting; high temperatures; pressure containing parts; steel tube; temperature service applications