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)


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


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 %

How to purchase Coreweld 55 LT H4

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Part Numbers and Accessories

Part Numbers : Coreweld 55 LT H4