Austenitic chromium-nickel stainless steel with titanium stabilisation –
"The classic V4A" (1.4571)

Code

X6CrNiMoTi17-12-2

US standard (AISI)

316Ti

Composition

Alloying components [%]

C: 0 - 0.08

Cr: 16.50 - 18.50

Mn: 0 - 2.00

Mo: 2.00 - 2.50

Ni: 10.50 - 13.50

P: 0 - 0.045

S: 0 - 0.015 (0.030*)

Si: 0 - 1.00

Ti: 5 x C - 0.70

Remainder: Fe

Stainless steel grade

A4

Density [g/cm³]

8.0

Nickel migration

[µg/(cm² x week)] in artificial perspiration (pH 4.5)

<0.05

Yield point

Rp0.2 [N/mm²]

≥200

Tensile strength

Rm [N/mm²]

500 - 700

Corrosion resistance

- Very good

- Resistant to acids, lyes and chlorides in medium concentrations as well as to quiet seawater

Machinability

Medium - poor

Weldability

Very good

Other properties

- Austenitic non-magnetic structure

- Cannot be mechanically polished with satisfactory results

- Suitability for electropolishing: good

- For use in the temperature range -50 - 550°C

Main uses

General applications involving higher levels of corrosive stress within the following sectors: 

- Food industry

- Pipeline construction

- Oil industry

- Shipbuilding

- Construction industry

- Chemical industry

- Medical engineering and the pharmaceutical industry