904L

Super austenitic

High nickel and molybdenum austenitic grade with copper, used where dilute sulphuric and phosphoric acids attack standard stainless.

Grades

Commonly supplied

904L, UNS N08904

UNS: N08904

Characteristics

Acid resistance	Good in dilute sulphuric and phosphoric acid
Chloride SCC	Much better than 316 due to high nickel
Formability	Readily formed and welded
Cost	Sits between stainless and nickel alloys

Product forms

Typical applications

Acid handling

Fertiliser plant

Pollution control

Heat exchangers

Technical data

Typical values for reference. Confirm the actual heat against the mill certificate supplied with your order.

Request for quotation

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