1.4462 – UNS S318030 – 318LN – Alloy 2205

1.4462 – UNS S318030 – 318LN – Alloy 22052018-06-18T10:07:52+00:00

1.4462

  • S31803
  • Alloy 2205
  • 318LN

This duplex material has a good resistance against pitting and stress corrosion cracking. Unique combination of corrosion resistance, resistance to stress corrosion cracking, high tensile and yield strength. Aplication fields: for use in: high temperature chloride contaminated water; sea water; brakish water: deteriorating solid matters; sour gas, Petrochemistry; ocean engineering-polishable

Mechanical Properties

Tensile strength:650-880N/mm²
Yield strength 0,2% :450≥ N/mm²
Elongation:25≥ %
Hardness HB30:270≤ HB

Chemical Composition

Carbon

C

0,30% max

Silicon

Si

1,0% max

Magnese

Mn

2,0% max

Phosphorus

P

0,035% max

Sulphur

S

0,030% max

Chromium

Cr

21-23% max

Nickel

Ni

4,5-6,5% max

Nitrogen

N

0,1-02% max

Heat Treatment

1020-1100°C followed by rapid cooling in air or water.

  • resistant to intercrystalline corrosion
  • satisfactionary against pitting corrosion

Well weldable

Marking

All material will be marked as follow:

  • Manufacturer’s name
  • Material grade
  • Size
  • Heat Number

Certification

Material will be delivered with certificate EN 10204 3.1

products

Pipes, piping material

pipes

Flanges, piping material

flanges

Fittings, piping material

fittings

Plates, piping material

plates

Round Bar, piping material

bars

Forged Fittings, piping material

forged fittings