ESAB

OK 48.08

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OK 48.08 is an LMA electrode with very good mechanical properties suitable for demanding applications, such as offshore. The weld metal contains approximately 1% Ni for high impact values down to -40°C. The coating is of the latest LMA type for optimum resistance to porosity and hydrogen cracking. OK 48.08 is CTOD tested.


Typical Charpy V-Notch Properties

Impact Value Testing Temperature
as welded iso
115 J (85 ft-lb) -50 degC (-58 degF)
90 J (67 ft-lb) -60 degC (-76 degF)

Typical Tensile Properties

ConditionElongationShielding GasTensile Strength Yield Strength
As Welded26 %ISO630 MPa (91 ksi)540 MPa (78 ksi)

Deposition Data

Current Deposition Rate @ 90% I max Diameter Deposition Efficiency (%) Number of electrodes/kg weld metal Voltage
55-80 A 42 sec 0.6 kg/h (1,3 lb/h) 2.0 x 300.0 mm (5/64 x 11,8 in.) 57 % 135.1 22 V
75-110 A 41 sec 1.0 kg/h (2,2 lb/h) 2.5 x 350.0 mm (0.098 x 13,8 in.) 57 % 88 27 V
110-150 A 66 sec 1.3 kg/h (2,9 lb/h) 3.2 x 350.0 mm (1/8 x 13,8 in.) 62 % 42.3 22 V
110-150 A 85 sec 1.4 kg/h (3,1 lb/h) 3.2 x 450.0 mm (1/8 x 17,7 in.) 66 % 30.0 22 V
150-200 A 90 sec 2.0 kg/h (4,4 lb/h) 4.0 x 450.0 mm (5/32 x 17,7 in.) 69 % 20.3 22 V
190-275 A 85 sec 3.0 kg/h (6,6 lb/h) 5.0 x 450.0 mm (0.197 x 17,7 in.) 69 % 14.0 23 V

Classifications

Classifications SFA/AWS A5.5 : E7018-G
EN ISO 2560-A : E 46 5 1Ni B 32 H5

Approvals

Approvals ABS 3Y H5
CE EN 13479
DB 10.039.31
DNV-GL 4 Y40H5
LR 4Y40m H5
NAKS/HAKC 2.5-5.0 mm
RS 4Y H5
VdTÜV 05778
Approvals are based on factory location. Please contact ESAB for more information.

Consumable Characteristics

Alloy Type Low alloyed (0.9 % Ni)
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 Ni Si
0.06 % 0.02 % 1.2 % 0.001 % 0.95 % 0.35 %
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How to purchase OK 48.08

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 48.08
48082021K0
4808253000
48082530G0
48082530K0
4808324100
48083241G0
4808404100
48084041G0
4808504100
48085041V0
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