ESAB

OK Flux 10.65

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Agglomerated fluoride-basic flux-wire combination for Submerged Arc Welding. Designed for multi-run welding of creep resistant 2,25% Cr 1% Mo alloyed steels, SA-387 Grade 22, A335 Grade P22 or similar materials when highest toughness values are required also after step cooling treatment. Very low level of impurity elements providing a X-bar max. 10 for temper embrittlement resistant applications. Usually welding is followed by a PWHT. Suitable for refinery, petrochemical and chemical industries, power generation, pressure vessels, etc. Also for narrow gap welding. Low-oxygen weld metal (approx. 300 ppm) with hydrogen contents lower than 5 ml/100 g. Designed for single and multi wire procedures, welds equally well on DC and AC current. Mainly for multi layer welding of unlimited plate thickness.


Classifications

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

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

Consumable Characteristics

Alloy Transfer Slightly Silicon and no Manganese alloying
Basicity Index nom: 2.4 %
Density nom: 1.0 kg/dm3
Diffusible Hydrogen max 5 ml H/100g weld metal (Redried flux); max 4 ml H/100g in BlockPac (moisture protection)
Grain Size 0.2-1.6 mm (10x65 mesh)
Slag Type Fluoride-basic

Flux Consumption

Volts kg Flux / kg Wire DC+ kg Flux / kg Wire AC
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
Amps Dimensions Travel Speed
580 A Ø 4.0 mm 55 cm/min

Classifications

AWS - PWHT A5.23: F9P2-EB3R-B3R
SFA/AWS - EN ISO A5.23:EB3R/ 24598-A:S S CrMo2
Wire OK Autrod B3 SC

Approvals

Society 6
Combined with Wire OK Autrod B3 SC
*Selected production units only. Please contact ESAB for more information. Visit esab.com to download specific flux/wire combination fact sheets for more details.

Typical Mechanical Properties

Combined with Wire Condition Yield Strength Tensile Strength Charpy V-Notch Elongation Testing Time
OK Autrod B3 SC PWHT AWS AC 540 MPa
(78 ksi),460 MPa
(67 ksi)
650 MPa
(94 ksi),590 MPa
(86 ksi)
170 J @ -30°C,
(126 ft-lb @ -22 °F)
170 J @ -30°C,
(126 ft-lb @ -22 °F)
25 %,29 % 4 hr,32 hr
OK Autrod B3 SC PWHT AWS DC+ 580 MPa
(84 ksi),520 MPa
(75 ksi),440 MPa
(64 ksi)
690 MPa
(100 ksi),640 MPa
(93 ksi),570 MPa
(83 ksi)
100 J @ -30°C,
(74 ft-lb @ -22 °F)
130 J @ -30°C,
(96 ft-lb @ -22 °F)
100 J @ -30°C,
(74 ft-lb @ -22 °F)
17 %,26 %,28 % 1 hr,4 hr,32 hr
OK Autrod B3 SC PWHT EN ISO AC 560 MPa
(81 ksi)
680 MPa
(99 ksi)
200 J @ 20°C,
(148 ft-lb @ 68 °F)
18 % 1 hr

Typical Weld Metal Analysis %

Typical Weld Metal Analysis %
Al As B C Cr Cu J-Factor Mn Mn+Si Mo Nb Nb+Ti+V Ni P P+Sn PE S Sb Si Sn Ti V X-bar
OK Autrod B3 SC AC, 480A, 29V, HI 1.9 kJ/mm
0.01 % 0.002 % 0.0002 % 0.10 % 2.38 % 0.05 % 85 % 0.84 % 1.00 % 0.96 % 0.002 % 0.009 % 0.04 % 0.005 % 0.008 % 3.0 % 0.005 % 0.001 % 0.17 % 0.003 % 0.002 % 0.005 % 7 %
OK Autrod B3 SC DC+, 480A, 29V, HI 1.9 kJ/mm
0.01 % 0.002 % 0.0002 % 0.09 % 2.30 % 0.05 % 92 % 0.93 % 1.15 % 0.96 % 0.003 % 0.009 % 0.04 % 0.005 % 0.008 % 3.1 % 0.006 % 0.001 % 0.23 % 0.003 % 0.002 % 0.005 % 7 %
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How to purchase OK Flux 10.65

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Part Numbers and Accessories

Part Numbers : OK Flux 10.65
1065800000
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