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Hastelloy G-3 Alloy G3
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HASTELLOY(r) G-3 alloy has high tungsten and molybdenum contents, which makes it resistant to corrosion.

The following section will discuss in detail about HASTELLOY(r) G-3 alloy.

Chemical Composition

The following table shows the chemical composition of HASTELLOY(r) G-3 alloy.

ElementContent (%)
Chromium, Cr21-23.5
Iron, Fe18-21
Molybdenum, Mo6-8
Cobalt, Co5 max
Copper, Cu1.5-2.5
Tungsten, W1.5 max
Silicon, Si1 max
Manganese, Mn1 max
Niobium+Tantalum (Ni+Ta)0.5 max
Phosphorus, P0.04 max
Sulfur, S0.03 max
Carbon, C0.015 max
Nickel, NiRemainder

Physical Properties

The physical properties of HASTELLOY(r) G-3 alloy are given in the following table.

PropertiesMetricImperial
Density8.3 g/cm³0.3 lb/in³
Melting point1343ºC2450ºF