ESAB

OK 76.26

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Basic low-hydrogen electrode for the AC/DC welding of creep-resistant steels of the 2.3% Cr/1% Mo type, such as SA - 387 Grade 22/A 335 Grade P22 or similar. The weld metal has the extra-low impurity levels specified in step-cooling requirements.


Typical Charpy V-Notch Properties

Impact Value Testing Temperature
pwht iso
140 J (104 ft-lb) 4 hr 690 degC (1274 degF) -20 degC (-4 degF)
170 J (126 ft-lb) 4 hr 690 degC (1274 degF) 20 degC (68 degF)
stress relieved aws
120 J (89 ft-lb) 32 hr 690 degC (1274 degF) -20 degC (-4 degF)

Typical Tensile Properties

Condition PWHT Stress Relieved
Shielding Gas ISO AWS
Tensile Strength 610 MPa (88 ksi) 580 MPa (84 ksi)
Yield Strength 520 MPa (75 ksi) 490 MPa (71 ksi)
Elongation 21 % 24 %
Testing Time 4 hr
Testing Temperature 690 degC (1274 degF)

Deposition Data

Current Deposition Rate @ 90% I max Diameter Deposition Efficiency (%) Number of electrodes/kg weld metal Voltage
60-85 A 68 sec 0.76 kg/h (1,7 lb/h) 2.5 x 350.0 mm (0.098 x 13,8 in.) 63 % 70 21 V
90-130 A 66 sec 1.11 kg/h (2,4 lb/h) 3.2 x 350.0 mm (1/8 x 13,8 in.) 60 % 49 23 V
130-190 A 83 sec 1.9 kg/h (4,2 lb/h) 4.0 x 450.0 mm (5/32 x 17,7 in.) 61 % 23 25 V
150-260 A 92 sec 2.6 kg/h (5,7 lb/h) 5.0 x 450.0 mm (0.197 x 17,7 in.) 62 % 15 27 V

Classifications

Classifications SFA/AWS A5.5 : E9018-B3
EN ISO 3580-A : E CrMo2 B 32 H5

Approvals

Approvals CE EN 13479
NAKS/HAKC 2.5-5.0 mm
Seproz UNA 272580
VdTÜV 10732
Approvals are based on factory location. Please contact ESAB for more information.

Consumable Characteristics

Alloy Type Low alloyed (2.2 % Cr ; 1.1 % Mo)
Coating Type Basic covering
Diffusible Hydrogen < 5.0 ml/100g
Welding Current AC, DC+

Typical Weld Metal Analysis %

Typical Weld Metal Analysis %
C Cr Mn Mo Si
0.07 % 2.17 % 0.69 % 1.10 % 0.23 %
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How to purchase OK 76.26

We're as eager to put ESAB gear in your hands as you are to have it.  That's why we sell our products with distributors who'll give you the attention, support, and value you deserve.  Their expertise will make sure that you're as happy with the purchasing process as we know you'll be with your purchase itself.

To make things even easier, we've developed the online shopping list below.  As you browse our site, you'll be able to click on any product to have it added to this easy reference sheet.  And when you're done, you can send the list to yourself or print it out and bring it in to the distributor of your choice.

To find an ESAB distributor, just use the distributor locator tool featured on every page of our site.  Alternatively, you can call our support line at +361 382 1235 and we'll point you in the right direction.


Part Numbers and Accessories

Part Numbers : OK 76.26
76262530G0
76263230G0
76264040G0
76265040G0
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