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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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Specifications


Typical Tensile Properties

As welded
Elongation Tensile Strength Yield Strength
36 % 90 ksi 64 ksi

Typical Charpy V-Notch Properties

As welded
Impact Value Testing Temperature
74 ft-lb 68 °F
59 ft-lb -76 °F
44 ft-lb -166 °F

Typical 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
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