H30 A 608（Centrifugal Cast Heat-Resistant Alloy Tubing）
Grade：H30
Chemical Requirements(Composition, %)
C: 0.25–0.35
Mn: 0.5–1.0
Si: 0.50–2.00
Cr: 26–30
Ni: 4.0 max
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]： 5300
[36000]
Elongation, %：40
2、1600 °F [870 °C]
Tensile Strength, psi [kPa]： 2960
[20400]
Elongation, %：50
3、1800 °F [980 °C]
Tensile Strength, psi [kPa]： 1600
[11000]
Elongation, %：40
Keywords：alloy; centrifugal casting; high temperatures; pressure containing parts; steel tube; temperature service applications