What material is 926 incoloy

1. What material is incoloy 926?

Incoloy 926 is a super austenitic stainless steel (also classified as a nickel-iron-chromium alloy). It is primarily designed to resist severe corrosion in aggressive environments, such as those containing chloride ions, making it widely used in marine, oil and gas, and chemical processing industries.

2. What is the chemical composition of incoloy 926?

The typical chemical composition (by weight percentage, wt%) of Incoloy 926 is as follows:

Nickel (Ni): 24.0% – 26.0%

Chromium (Cr): 19.0% – 21.0%

Iron (Fe): Balanced (approximately 40% – 45%)

Molybdenum (Mo): 6.0% – 7.0%

Nitrogen (N): 0.15% – 0.25%

Copper (Cu): 0.50% – 1.00%

Manganese (Mn): Maximum 2.0%

Silicon (Si): Maximum 0.50%

Carbon (C): Maximum 0.02%

Phosphorus (P): Maximum 0.03%

Sulfur (S): Maximum 0.01%

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3. What is the hardness of incoloy 926?

The hardness of Incoloy 926 varies slightly with its heat treatment state, and the typical values are:

Annealed state (the most common delivery state):

Brinell Hardness (HB): Approximately 220 – 250

Rockwell Hardness (HRB): Approximately 95 – 105

Vickers Hardness (HV): Approximately 230 – 260

It cannot be strengthened by heat treatment (like quenching and tempering) and can only be work-hardened; its hardness will increase slightly with cold working (e.g., rolling, forging).

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