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ER2509 - The Welding Warehouse, Inc. ER2509 - The Welding Warehouse, Inc.

ER2509

ER2509

Alloy 2509 is a bare, corrosion resistant, super duplex rod for welding austenitic-ferritic stainless alloys of the 25% Cr, 7% Ni, 4% Mo, low C type. Alloy 2509 has high intergranular corrosion, pitting and stress corrosion resistance. The alloy is widely used in applications where corrosion resistance is of the utmost importance, such as the pulp & paper, offshore and gas industries.

Specifications

  • EN 12072
  • W 25 9 4 NL
Nominal Chemical Composition (%)
C Si Mn Cr Ni Mo W Cu
<0.02 0.4 0.4 25.0 9.8 4.0 <1.0 <0.3
Typical Mechanical Proprerties
Tensile Strength Yield Strength Elongation
670 MPa 850 MPa 30%
Charpy V
Test Temps °C Impact Values J
+20 150
-40 115