Stainless steel grade · Austenitic

AISI 316L · EN 1.4404

Low-carbon molybdenum grade that keeps its corrosion resistance after welding in chloride and chemical service.

Equivalents and designations

The same grade is named differently in each standard. Use the table to check a match.

SystemDesignation
AISI / ASTMAISI 316L
EN material number1.4404
EN steel name (DIN EN 10088)X2CrNiMo17-12-2
UNSS31603
JISSUS316L
Look up other equivalents →

Chemical composition

C max.
≤ 0.03
Cr
16.5–18.5
Ni
10–13
Mo
2–2.5
Other
—

Typical values, wt %, per EN 10088-2 and ASTM A240.

Mechanical and physical properties

Structure
Austenitic
Rm (MPa)
485
Rp0.2 (MPa)
170
A (%)
40
PREN
24
Corrosion
Level 4 of 5
Weldability
Good
Magnetic
No
Density
7.93 g/cm³

ASTM A240 minimums for annealed material; a dash means the value depends on product form.

Typical uses

  • Chemical, pharmaceutical and food industries
  • Pipes and fittings for chloride processes
  • Welded constructions in aggressive environments

What we supply in this grade

Pick a product form to see the available sizes and finishes.

Sheet AISI 316L → Pipe AISI 316L → Bar AISI 316L →

Related grades

AISI 303AISI 304AISI 304LAISI 310SAISI 316AISI 316TiAISI 321

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The data is for guidance and does not replace the heat certificate. The binding values are those of the standard and the manufacturer's certificate.