OK Tigrod 309LSi


OK Tigrod 309LSi

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Bare, corrosion-resistant, chromium-nickel welding rod for welding steels with similar composition, wrought and cast steels of the 23% Cr-12% Ni types. The alloy is also used for welding buffer layers on CMn steels and for welding dissimilar joints. When using the wire for buffer layers and dissimilar joints, it is necessary to control the dilution of the weld. OK Tigrod 309LSi has good general corrosion resistance. The higher silicon content improves the welding properties such as wetting.


Typical Weld Metal Analysis %

Wire Composition
C Cr Cu Mn Mo Ni Si
0.02 % 23.4 % 0.12 % 1.7 % 0.15 % 13.5 % 0.9 %


Society CE
Grade EN 13479
Approvals are based on factory location. Please contact ESAB for more information.

Typical Charpy V-Notch Properties


Grade ER309LSi
Name SFA/AWS A5.9
Grade ~1.4332
Name Werkstoffnummer
Grade W 23 12 L Si
Name EN ISO 14343-A

Consumable Characteristics

Alloy Type Austenitic (with approx. 8 % ferrite) 24 % Cr - 13 % Ni - Low C

Typical Tensile Properties

ElongationTensile Strength (imp)Yield Strength (imp)
32 %635 MPa (92 ksi)475 MPa (69 ksi)

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Part Numbers : OK Tigrod 309LSi
OK Tigrod 309LSi 1.6x1000 5kg 165116R150 FIND A DISTRIBUTOR
OK Tigrod 309LSi 2.0x1000 5kg 165120R150 FIND A DISTRIBUTOR
OK Tigrod 309LSi 2.4x1000 5kg 165124R150 FIND A DISTRIBUTOR
OK Tigrod 309LSi 3.2x1000 5kg 165132R150 FIND A DISTRIBUTOR