ESAB

OK Autrod 309LSi

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


Typical Charpy V-Notch Properties

Impact Value Testing Temperature
as welded
90 J (67 ft-lb) -110 degC (-166 degF)
130 J (96 ft-lb) -60 degC (-76 degF)
160 J (118 ft-lb) 20 degC (68 degF)

Typical Tensile Properties

ConditionElongationTensile Strength Yield Strength
As Welded41 %600 MPa (87 ksi)440 MPa (64 ksi)

Recommended Welding Parameters

Wire Diameter 0.045 in.
Wire Diameter 1.14 mm

Deposition Data

Current Deposition Rate Diameter Voltage Wire Feed Speed
55-160 A 1.0-4.1 kg/h (2-9 lb/h) 0.8 mm (0.030 in.) 15-24 V 4.0-17.0 m/min (157-669 in./min)
65-220 A 1.1-5.4 kg/h (2-11 lb/h) 0.9 mm (0.035 in.) 15-28 V 3.5-18.0 m/min (138-709 in./min)
80-240 A 1.5-6.0 kg/h (3-13 lb/h) 1.0 mm (0.040 in.) 15-28 V 4.0-16.0 m/min (157-630 in./min)
100-300 A 1.6-7.5 kg/h (3-16 lb/h) 1.2 mm (0.047 in.) 15-29 V 3.0-14.0 m/min (118-551 in./min)
230-375 A 5.2-8.6 kg/h (11-19 lb/h) 1.6 mm (1/16 in.) 23-31 V 5.5-9.0 m/min (217-354 in./min)

Classifications

Wire Electrode EN ISO 14343-A : G 23 12 L Si
SFA/AWS A5.9 : ER309LSi
Werkstoffnummer : ~1.4332

Approvals

Approvals CE EN 13479
CWB ER309LSi
DB 43.039.16
NAKS/HAKC 1.0MM-1.2MM
VdTÜV 10020
Approvals are based on factory location. Please contact ESAB for more information.

Consumable Characteristics

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

Typical Weld Metal Analysis %

Typical Weld Metal Analysis %
C Cr Cu FN WRC-92 Mn Mo N Nb Ni P S Si
0.02 % 24 % 0.1 % 10 % 1.8 % 0.1 % 0.12 % 0.02 % 13 % 0.010 % 0.005 % 0.8 %
Typical Wire Composition %
0.02 % 23.4 % 0.12 % - 1.7 % 0.15 % - - 13.5 % - - 0.9 %
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How to purchase OK Autrod 309LSi

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Part Numbers and Accessories

Part Numbers : OK Autrod 309LSi
1651099320
1651089820
1651084600
1651099500
1651099820
1651094600
1651109500
1651109820
1651109320
1651104600
1651119500
1651119820
1651119320
1651129820
165112982F
1651129320
1651124600
1651169820
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