ESAB

OK 76.18

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OK 76.18 is an LMA electrode for welding creep-resistant steels of the 1.Cr0.5Mo type. The electrode welds with a quiet, stable arc and produces a minimum of spatter loss. OK 76.18 deposits a weld metal which is resistant to cracking as well as porosity. The scaling temperature of the weld metal is about 575°C.


Typical Charpy V-Notch Properties

PWHT
Impact Value 74 ft-lb
Impact Value 100 J
Shielding Gas ISO
1274 °F
690 °C
1 hr
Testing Temperature 68 °F
Testing Temperature 20 °C

Typical Tensile Properties

ConditionElongationShielding GasTensile Strength Testing Temperature Testing TimeYield Strength
PWHT24 %ISO670 MPa (97 ksi)690 degC (1274 degF)1 hr580 MPa (84 ksi)

Deposition Data

Current Deposition Rate @ 90% I max Diameter Deposition Efficiency (%) Number of electrodes/kg weld metal Voltage
55-80 A 40 sec 0.7 kg/h (1,5 lb/h) 2.0 x 300.0 mm (5/64 x 11,8 in.) 58 % 136.0 22 V
70-110 A 52 sec 0.8 kg/h (1,8 lb/h) 2.5 x 300.0 mm (0.098 x 11,8 in.) 58 % 88.0 24 V
95-150 A 65 sec 1.1 kg/h (2,4 lb/h) 3.2 x 350.0 mm (1/8 x 13,8 in.) 59 % 49.0 25 V
130-190 A 90 sec 1.7 kg/h (3,7 lb/h) 4.0 x 450.0 mm (5/32 x 17,7 in.) 64 % 23.0 27 V
150-260 A 95 sec 2.7 kg/h (6,0 lb/h) 5.0 x 450.0 mm (0.197 x 17,7 in.) 64 % 14.5 28 V

Classifications

Classifications SFA/AWS A5.5 : E8018-B2
EN ISO 3580-A : E CrMo1 B 4 2 H5

Approvals

Approvals ABS SR H5
BV Welding of low alloy steels type 1%Cr 0.5%Mo, H5
CE EN 13479
DNV-GL -H5
NAKS/HAKC 2.5-4.0 mm
VdTÜV 01387
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 < 5ml/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 76.18

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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 76.18
76182020K0
76182520K0
76183230G0
76184040G0
76185040G0
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