Stainless Steel

Stainless

The default corrosion resistant family for process piping. 316/316L adds molybdenum for chloride resistance, 321 and 347 are stabilised for elevated temperature service.

Grades

Commonly supplied

304, 304L, 304H, 316, 316L, 316Ti, 317L, 321, 347, 310S, 410, 420, 17-4PH

UNS: S30400 · S30403 · S31600 · S31603 · S32100 · S34700

Characteristics

What it does well

Corrosion resistance	Good in oxidising media, 316 preferred where chlorides are present
Temperature	Cryogenic to about 870 °C for 310S grades
Weldability	Excellent, L grades avoid sensitisation in the heat affected zone
Magnetic	Austenitic grades essentially non-magnetic in annealed condition

Product forms

Supplied as

Flanges Pipes & Tubes Buttweld Fittings Forged Fittings Bars & Rods Sheets, Plates & Coils Fasteners Stainless Steel Rings

Typical applications

Where it is used

Process piping

Food and pharmaceutical

Water treatment

Architectural

Technical data

Composition and properties

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

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Stainless Steel

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