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OK Autrod 309Si

OK Autrod 309Si

A continuous solid corrosion resisting chromium-nickel wire for joining stainless steels to non-alloy or low alloy steels as well as welding of austenitic stainless alloys of 24% Cr, 13% Ni, high C types. OK Autrod 309Si has a good general corrosion resistance. The higher silicon content improves the welding properties such as wetting. When used for joining dissimilar materials the corrosion resistance is of secondary importance.

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Typical Tensile Properties

As welded
Elongation Tensile Strength Yield Strength
36 % 620 MPa 440 MPa

Charpy V-Notch Properties

As welded
Impact Value Testing Temperature
100 J 20 °C
80 J -60 °C
60 J -110 °C

Weld Metal Analysis

MnMoCuCSiFerrite FNNiCr
1.8 %0.20 %0.15 %0.08 %0.9 %5 %12.7 %23.3 %

Classifications: EN ISO 14343-A; G 22 12 H; Wire Electrode; SFA/AWS A5.9; ER309Si; Wire Electrode; Werkstoffnummer; ~1.4829; Wire Electrode

Alloy Type: Austenitic (with approx. 10 % ferrite) 23 % Cr - 13 % Ni - High Si