ESAB

OK 76.16

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Basic DC low hydrogen electrode for welding creep resisting steels of the type 1.25 % Cr 0.5 % Mo.


Typical Charpy V-Notch Properties

Impact Value Testing Temperature
stress relieved aws
175 J (130 ft-lb) 22 hr 690 degC (1274 degF) -20 degC (-4 degF)
150 J (111 ft-lb) 22 hr 690 degC (1274 degF) -30 degC (-22 degF)
stress relieved iso
120 J (89 ft-lb) 2 hr 690 degC (1274 degF) -20 degC (-4 degF)
95 J (70 ft-lb) 2 hr 690 degC (1274 degF) -30 degC (-22 degF)
150 J (111 ft-lb) 2 hr 690 degC (1274 degF) 20 degC (68 degF)

Typical Tensile Properties

Condition Stress Relieved Stress Relieved
Shielding Gas ISO AWS
Tensile Strength 640 MPa (93 ksi) 600 MPa (87 ksi)
Yield Strength 560 MPa (81 ksi) 520 MPa (75 ksi)
Elongation 25 % 28 %

Deposition Data

Current Deposition Rate @ 90% I max Diameter Deposition Efficiency (%) Number of electrodes/kg weld metal Voltage
70-110 A 75 sec 0.65 kg/h (1,4 lb/h) 2.5 x 350.0 mm (0.098 x 13,8 in.) 60 % 74 22.7 V
95-150 A 71 sec 1.07 kg/h (2,4 lb/h) 3.2 x 350.0 mm (1/8 x 13,8 in.) 59 % 48 22.5 V
130-190 A 78 sec 1.55 kg/h (3,4 lb/h) 4.0 x 350.0 mm (5/32 x 13,8 in.) 89 % 30 22.1 V
150-260 A 102 sec 2.49 kg/h (5,5 lb/h) 5.0 x 450.0 mm (0.197 x 17,7 in.) 66 % 14 23.6 V

Classifications

Classifications SFA/AWS A5.5 : E8018-B2-H4R
EN ISO 3580-A : E CrMo1B 4 2 H5

Approvals

Approvals CE EN 13479
NAKS/HAKC 4.0-5.0 mm
Seproz UNA 272580
VdTÜV 10731
Approvals are based on factory location. Please contact ESAB for more information.

Consumable Characteristics

Alloy Type Low alloyed (1.25 % Cr ; 0.5 % Mo)
Coating Type Basic covering
Diffusible Hydrogen < 4.0 ml/100g
Welding Current DC+(-)

Typical Weld Metal Analysis %

Typical Weld Metal Analysis %
C Cr Mn Mo Si
0.06 % 1.3 % 0.7 % 0.5 % 0.3 %
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How to purchase OK 76.16

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 76.16
76162530G0
76163230G0
76164030G0
76165040G0
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