OK Autrod 347Si

ESAB

OK Autrod 347Si

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A continuous, solid, corrosion-resistant, chromium-nickel wire for welding austenitic chromium-nickel alloys of the 18% Cr-8% Ni type. OK Autrod 347Si has good general corrosion resistance. The alloy is stabilised with niobium to improve resistance to the 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 Weld Metal Analysis %

Wire Composition
C Cr Cu Mn Mo Nb Ni Si
0.04 % 19 % 0.10 % 1.7 % 0.1 % 0.60 % 9.8 % 0.7 %

Approvals

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

Typical Charpy V-Notch Properties

Classifications

Grade G 19 9 Nb Si
Name EN ISO 14343-A
Grade ER347Si
Name SFA/AWS A5.9
Grade ~1.4551
Name Werkstoffnummer

Consumable Characteristics

Alloy Type Austenitic (with approx. 8 % ferrite) 19% Cr - 9% Ni - Nb

Typical Tensile Properties

As welded As welded
Shielding Gas Tested at 400°C (752°F).
Tensile Strength (met) 640 MPa(93 ksi) 460 MPa(67 ksi)
Yield Strength (met) 440 MPa(64 ksi) 340 MPa(49 ksi)
Elongation 37 % 26 %

Deposition Data

Current Deposition Rate Diameter Voltage Wire Feed Speed
230-375 A 5.2-8.6 kg/h(11.5-19.0 lb/h) 1.6 mm(1/16 in.) 23-31 V 5.5-9.0 m/min(216.5-354 in./min)
80-240 A 1.5-6.0 kg/h(3.3-13.2 lb/h) 1.0 mm(.040 in.) 15-28 V 3.5-18.0 m/min(138-709 in./min)
55-160 A 1.0-4.1 kg/h(2.2-9.0 lb/h) 0.8 mm(.030 in.) 15-24 V 4.0-17.0 m/min(157.5-669 in./min)
100-300 A 1.6-7.5 kg/h(3.5-16.5 lb/h) 1.2 mm(.045 in.) 15-29 V 3.0-14.0 m/min(118-551 in./min)
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Part Numbers : OK Autrod 347Si
OK Autrod 347Si 0.8mm 15kg 1611089820 FIND A DISTRIBUTOR
OK Autrod 347Si 0.8mm 5kg 1611084600 FIND A DISTRIBUTOR
OK AUTROD 347SI 040X33#SP 1611109820 FIND A DISTRIBUTOR
OK Autrod 347Si 1.0mm 250kg 1611109320 FIND A DISTRIBUTOR
OK AUTROD 347SI 047X33#PSP 1611129820 FIND A DISTRIBUTOR
OK AUTROD 347SI 045X550#OMP 1611129320 FIND A DISTRIBUTOR
OK Autrod 347Si 1.2mm 5kg 1611124600 FIND A DISTRIBUTOR
OK Autrod 347Si 1.6mm 15kg 1611169820 FIND A DISTRIBUTOR
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