Stainless steel grade · Austenitic

AISI 316 · EN 1.4401

Molybdenum-alloyed for superior resistance to sea salt, chlorides and urban pollution.

Equivalents and designations

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

SystemDesignation
AISI / ASTMAISI 316
EN material number1.4401
EN steel name (DIN EN 10088)X5CrNiMo17-12-2
UNSS31600
JISSUS316
Look up other equivalents →

Chemical composition

C max.
≤ 0.07
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)
515
Rp0.2 (MPa)
205
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

  • Coastal and marine environments
  • Chemical and pharmaceutical equipment
  • Fasteners and fittings for salt and chlorides

What we supply in this grade

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

Pipe AISI 316 → Bar AISI 316 →

Related grades

AISI 303AISI 304AISI 304LAISI 310SAISI 316LAISI 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.