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OK Autrod 347Si

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A continuous solid corrosion resisting chromium-nickel wire for welding of austenitic chromium nickel alloys of 18% Cr - 8% Ni-type. OK Autrod 347Si has a good general corrosion resistance. The alloy is stabilized with Niobium to improve the resistance against intergranular corrosion of the weld metal. The higher silicon content improves the welding properties, such as wetting. Due to the niobium content this alloy is recommended for use at higher temperatures.

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Typical Charpy V-Notch Properties

as welded en 98ar/2o2

Typical Tensile Properties

Condition As Welded As Welded
Shielding Gas EN 98Ar/2O2 EN 98Ar/2O2 Tested at 400°C.
Tensile Strength 640 MPa (93 ksi) 460 MPa (67 ksi)
Yield Strength 440 MPa (64 ksi) 340 MPa (49 ksi)
Elongation 37 % 26 %

Deposition Data

Current Deposition Rate Diameter Voltage Wire Feed Speed
100-300 A 1.6-7.5 kg/h (3.5-16. lb/h) 1.2 mm (0.047 in.) 15-29 V 3.0-14.0 m/min (118-551 in./min)
55-160 A 1.0-4.1 kg/h (2.2-9.0 lb/h) 0.8 mm (0.030 in.) 15-24 V 4.0-17.0 m/min (157-669 in./min)
230-375 A 5.2-8.6 kg/h (11.5-19. lb/h) 1.6 mm (1/16 in.) 23-31 V 5.5-9.0 m/min (217-354 in./min)
80-240 A 1.5-6.0 kg/h (3.3-13. lb/h) 1.0 mm (0.040 in.) 15-28 V 3.5-18.0 m/min (138-709 in./min)

Classifications

Wire Electrode EN ISO 14343-A : G 19 9 Nb Si
SFA/AWS A5.9 : ER347Si
Werkstoffnummer : ~1.4551

Approvals

Approvals CE EN 13479
DB 43.039.13
NAKS/HAKC 1.0-1.6 mm
VdTÜV 09734
Approvals are based on factory location. Please contact ESAB for more information.

Consumable Characteristics

Alloy Type Austenitic (with approx. 8 % ferrite) 19% Cr - 9% Ni - Nb
Shielding Gas M12, M13 (EN ISO 14175)

Typical Weld Metal Analysis %

Typical Weld Metal Analysis %
C Cr Cu Mn Mo Nb Ni P S Si
0.04 % 19 % 0.1 % 1.7 % 0.1 % 0.6 % 9.8 % 0.005 % 0.010 % 0.7 %
Typical Wire Composition %
0.04 % 19 % 0.10 % 1.7 % 0.1 % 0.60 % 9.8 % - - 0.7 %
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Part Numbers : OK Autrod 347Si
1611089820 Find a distributor
1611084600 Find a distributor
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