Use of this website constitutes acceptance of our cookie policy.

Special Steels


304H || 316H || 317L || 321H || 347H ||


We are your one-stop shop for special steels & modified steel grades.

With our special steels we support Customers engaged in several market fields, such as Energy, Aerospace, Oil & Gas, Chemical, Petrochemical, Water Treatment, Pulp & Paper, General Engineering,...

We supply BARS, SHEETS, PLATES, PIPING & TUBING, FASTENERS in various hard to find steels.


1.4948 || 1.4919 / 1.4401 || 1.4438 || 1.4878 || 1.4961 / 1.4550 ||



- stock  - fasteners stock   - production
    - sales@af-trading.it


317L || UNS S31703 - 1.4438, AISI 317L, X2CrNiMo18-15-4, Tp 317L, Type 317L

UNS S31703 - 1.4438,
AISI 317L, X2CrNiMo18-15-4, Tp 317L, Type 317L

This special steel with carbon high Molybdenum value guarantees an increased resistance to chemical attack, creep deformation characteristics and mechanical resistance to high temperatures.

Main fields of application:

Chemical, Pulp & Paper, Water Treatment, Energy, Petrochemical   


Our products in UNS S31703 - 1.4438, AISI 317L, X2CrNiMo18-15-4, Tp 317L, Type 317L are:

  • Bars
  • Sheets
  • Plates
  • Pipes & Tubes

back to: Special Steels