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OK Flux 10.65

Agglomerated fluoride-basic flux for Submerged Arc Welding. Especially for combination with OK Autrod B3 SC. Designed for multi-run welding of creep resistant Cr-, Mo-alloyed steels when highest toughness values are required also after step cooling treatment. Very low level of impurities and thus exceptionally clean weld metal. X-bar max. 10 with the wire as above. Mainly for petrochemical and chemical industries, power generation, pressure vessels, etc. Suitable for narrow gap welding. Low-oxygen weld metal (approx. 300 ppm) and hydrogen contents lower than 5 ml/100 g, in BlockPac (moisture protection) maximum 4 ml/100g. Designed for single and multi wire procedures, welds equally well on DC and AC current. Mainly for multi layer welding of unlimited plate thickness.

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Highlights

Process

Specifications
Classifications EN ISO 14174 : S A FB 1 65 AC H4 only BlockPac/moisture protection
EN ISO 14174 : S A FB 1 65 AC H5
Approvals CE : EN 13479
UKCA : EN 13479
Diffusible Hydrogen max 5 ml/100g weld metal (Redried flux); max 4 ml/100g in BlockPac (moisture protection) Slag Type Fluoride-basic Alloy Transfer Slightly Silicon and no Manganese alloying Density nom: 1.0 kg/dm3 Basicity Index nom: 2.4
Flux_Consumption_SAW
Volts DC+ Weight AC Weight
26 V 0.7 kg 0.6 kg
30 V 1.0 kg 0.9 kg
34 V 1.3 kg 1.2 kg
38 V 1.6 kg 1.4 kg
Classifications_SAW Wire Weld Metal Wire AWS/EN AWS - PWHT OK Autrod B3 SC A5.23:EB3R 24598-A:S S CrMo2 A5.23: F9P2-EB3R-B3R
Approvals_SAW
Wire CE UKCA
OK Autrod B3 SC
Typical Weld Metal Analysis %
C Mn Si S P Ni Cr Mo V Al Cu Nb Ti Sb As B Sn Mn+Si Nb+Ti+V P+Sn PE J-Factor X-bar
OK Autrod B3 SC AC, 480A, 29V, HI 1.9 kJ/mm
0.10 0.84 0.17 0.005 0.005 0.04 2.38 0.96 0.005 0.01 0.05 0.002 0.002 0.001 0.002 0.0002 0.003 1.00 0.009 0.008 3.0 85 7
OK Autrod B3 SC DC+, 480A, 29V, HI 1.9 kJ/mm
0.09 0.93 0.23 0.006 0.005 0.04 2.30 0.96 0.005 0.01 0.05 0.003 0.002 0.001 0.002 0.0002 0.003 1.15 0.009 0.008 3.1 92 7
SAW_Typical_Mech_Properties
Wire Testing Condition Yield Strength Tensile Strength Elongation Charpy V-Notch Result
OK Autrod B3 SC PWHT AWS DC+ ( 1 hour(s)) 580 MPa 690 MPa 17 %
100 J @ -30 °C
OK Autrod B3 SC PWHT AWS AC ( 32 hour(s)) 460 MPa 590 MPa 29 %
170 J @ -30 °C
OK Autrod B3 SC PWHT EN ISO AC ( 1 hour(s)) 560 MPa 680 MPa 18 %
200 J @ 20 °C
OK Autrod B3 SC PWHT AWS AC ( 4 hour(s)) 540 MPa 650 MPa 25 %
170 J @ -30 °C
OK Autrod B3 SC PWHT AWS DC+ ( 4 hour(s)) 520 MPa 640 MPa 26 %
130 J @ -30 °C
OK Autrod B3 SC PWHT AWS DC+ ( 32 hour(s)) 440 MPa 570 MPa 28 %
100 J @ -30 °C
OK Autrod B3 SC PWHT AWS AC ( 1 hour(s)) 580 MPa 700 MPa 25 %
100 J @ -30 °C

Fact Sheets

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Consistently High-Quality SAW Wires

ESAB submerged arc welding wires have a well-defined chemistry with intentionally lower tolerances vs. applicable welding standards. Expect high-quality and consistency and be assured that mechanical values, such as strength and toughness, are guaranteed in combination with the chosen flux.

Spools with Less Friction & Easy Decoiling

Our spool types make life easier for our customers. Wire cast is optimized for each individual spool type, so that friction in liners are minimized, decoiling at customers will be defect-free, and self-releasing of end of wire is reliably prevented to avoid interruptions in the operation.

SAW Wires for Your Best Welding Performance

Coppering and helix (axial movement of individual wire loops) are best-suited for customer usage. Coppering with a strong adherence to the wires ensure that no Cu particles separate from the wire during consumption. Thin coppering also means that a minimal amount is brought into the weld metal, but thick enough to provide good electrical conductivity so that the welding current can be transferred properly from the welding nozzle to the welding wire electrode. Helix is well-controlled and limited to eliminate decoiling issues and to ensure the wire goes into the welding equipment without any sideway twist, which could result in lack of fusion in the welding joint. All of these features are deliberately thought-out and implemented for your best welding performance.

EcoCoil for High Productivity Welding

ESAB's EcoCoil is our 1000 kg (2205 lbs), large-volume package, ideal for long-time, uninterrupted welding contributing to high productive welding operations. The end of the wire is inside the coil for material inspection and quality assurance without destroying the wire packaging. EcoCoil can be partly uwrapped – we only wrap from bottom to top and not back to the bottom – so you can unwrap the upper part for use, while the bottom is protected from rust and dirt. It is prepared for crane handling. EcoCoil also has the "Easy Start" feature, which means when welding is started, no weight needs to be accelerated. This is a big advantage over bulk spools on which the wire loops are tightly wound around the inner core.

Meticulously Manufactured SAW Fluxes

SAW submerged arc fluxes are composed of various minerals obtained from global natural resources. All raw materials are precisely defined with attributes beyond the chemical compositions. Each lot of incoming raw material is individually checked, evaluated and controlled before used in production of our SAW fluxes. Fluxes are then manufactured according to strict formulations and manufacturing processes. As a result, we ensure the highest quality, as well as the highest consistency of our submerged arc flux products. Mechanical values of our fluxes, such as strength and toughness, are guaranteed when used in combination with the correct submerged arc wires.

Ready to Use Submerged Arc Fluxes

ESAB BlockPac (25 kg), buckets (25 kg) and BigBag (1000 kg) deliver fluxes "ready for use" at your site. The packaging material reliably prevents any moisture pick up during storage and transport. BlockPac, buckets and BigBag (which has a multi-layer aluminum liner) can also be stored under severe climatic conditions. As long as the package is unopened and undamaged, it protects the SAW flux from any moisture pick-up.

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