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Coreshield 71T-8 OS

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Coreshield 71T-8 OS is a self-shielded flux cored wire designed to weld critical structural applications such as TKY joints for offshore construction, pipe structures, bridges and storage tanks. It is designed to provide excellent low temperature impact toughness down to -40 degrees C. whilst maintaining great arc characteristics, high welder appeal and easy slag removal in all welding positions.

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Typical Charpy V-Notch Properties

As Welded
Impact Value 127 ft-lb
Impact Value 172 J
Shielding Gas AWS
Testing Temperature -40 °F
Testing Temperature -40 °C

Typical Tensile Properties

ConditionElongationShielding GasTensile Strength Yield Strength
As Welded28 %AWS521 MPa (76 ksi)429 MPa (62 ksi)

Deposition Data

Current 160-250 A
Deposition Rate 2.4-5.1 lb/h
Deposition Rate 1.1-2.3 kg/h
Diameter 5/64 in.
Diameter 2.0 mm
Voltage 18-23 V
Wire Feed Speed 55-102 in./min
Wire Feed Speed 1.4-2.6 m/min

Classifications

Weld Metal SFA/AWS A5.29 : E71T8-Ni1 J H8
EN ISO 17632-A : T42 4 1Ni Y 1

Approvals

Approvals ABS E71T8-Ni1 J H8
CE EN 13479
CWB CSA W48-18
DNV IV Y40MS
Approvals are based on factory location. Please contact ESAB for more information.

Consumable Characteristics

Alloy Type C-Mn-Ni-Al
Diffusible Hydrogen <8
Welding Current DC-

Typical Weld Metal Analysis %

Typical Weld Metal Analysis %
Al C Mn Ni P S Si
AWS DC-
0.92 % 0.06 % 1.05 % 0.93 % 0.006 % 0.003 % 0.15 %
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Part Numbers and Accessories

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Part Numbers : Coreshield 71T-8 OS
35T820248V Find a distributor
35T820500V Find a distributor

ESAB EQUIPMENT WARRANTIES ARE VALID ONLY WHEN PURCHASED THROUGH AN ESAB AUTHORIZED DEALERSHIP.

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