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

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

fittings

plates

Round Bar, piping material

bars

Forged Fittings, piping material

forged fittings