Hastelloy G30 alloy has a chromium content of more than 30%, which has strong corrosion resistance in solution. The main application areas are equipment and parts for wet-process phosphoric acid production and processing, pickling equipment and parts. Hastelloyg30 alloy has a chromium content of more than 30% and a very low carbon content, and a sufficient amount of niobium is added to make the alloy have good thermal stability and good intergranular corrosion.
Chemical composition (%):
C: ≤0.03,
Si: ≤0.80,
Mn: ≤1.50,
P: ≤0.004,
S: ≤0.020,
Ni: residual,
Cr: 28.5~31.5,
Mo: 4.0~6.0,
W: 1.5~4.0,
Fe: 13.0~17.0,
Cu: 1.0~2.4,
Nb+Ta: 0.3~1.5,
Co: ≤5.0"
Density: 8.22g/cm3
Melting point: about 1399
°C
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