ESAB

Coreweld 55 LT H4

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A metal cored wire for the welding of high strength steels (>550 MPa) with excellent sub-zero toughness down to -60 degree C and low diffusible hydrogen levels. Suitable for welding with Ar/CO2 gas mixtures.


Typical Charpy V-Notch Properties

As Welded
Impact Value 81 ft-lb
Impact Value 110 J
Testing Temperature -76 °F
Testing Temperature -60 °C

Typical Tensile Properties

ConditionElongationTensile Strength Yield Strength
As Welded25 %670 MPa (97 ksi)595 MPa (86 ksi)

Deposition Data

Current Deposition Rate Diameter Voltage Wire Feed Speed
100-320 A 1.3-7.5 kg/h (2-16 lb/h) 1.2 mm (0.045 in.) 16-32 V 1.8-12.0 m/min (71-472 in./min)
120-380 A 1.6-7.5 kg/h (3-16 lb/h) 1.4 mm (0.052 in.) 16-34 V 2.0-9.0 m/min (79-354 in./min)
140-450 A 1.6-8.0 kg/h (3-17 lb/h) 1.6 mm (1/16 in.) 18-36 V 1.5-8.5 m/min (59-335 in./min)

Classifications

Weld Metal EN ISO 18276-A : T 55 6 Z M21 2 H5
SFA/AWS A5.28 : E90C-G H4

Approvals

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

Typical Weld Metal Analysis %

Typical Weld Metal Analysis %
C Mn Ni Si
0.05 % 1.65 % 1.35 % 0.44 %
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How to purchase Coreweld 55 LT H4

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 : Coreweld 55 LT H4
35LW127730
35LW125600
35LW147730
35LW149310
35LW167730
35LW165600
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