1.4410 – UNS S32750 – Alloy 2507 – X2 CrNiMoN 25-7-4

1.4410 – UNS S32750 – Alloy 2507 – X2 CrNiMoN 25-7-42018-06-18T10:06:40+00:00

1.4410

  • S32750
  • Alloy 2507
  • X2 CrNiMoN 25-7-4

UNS S32750 is a duplex stainless steel especially designed for service in aggressive chloride-containing environments. It has very good resistance to localized corrosion and stress corrosion cracking in combination with high mechanical strength. It is widely used in oil & gas, hydropower, pressure vessels, pulp & paper, structural components and chemical tankers.

Mechanical Properties

Tensile strength:750N/mm²
Yield strength 0,2% :550≥ N/mm²
Elongation:25≥ %
Hardness HB30:270≤ HB

Chemical Composition

Carbon

C

0,03% max

Silicon

Si

0,80% max

Magnese

Mn

1,20% max

Phosphorus

P

0,035% max

Sulphur

S

0,020% max

Chromium

Cr

24-26% max

Nickel

Ni

6-8% max

Nitrogen

N

0,24-0,32% max

Heat Treatment

Solution annealing at 1100°C followed by water quenching

High resistance to stress corrosion cracking in halide containing environments.
• High resistance to pitting and crevice corrosion.
• High resistance to general corrosion.
• High mechanical strength.
• High resistance to erosion corrosion and corrosion fatigue.

Very good

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