Dual Shield Prime 81Ni1M H4

ESAB

Dual Shield Prime 81Ni1M H4

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A seamless, copper free, cored wire designed to weld thick steel components. The diffusible hydrogen level is consistently below 4mL/100g of deposited weld metal and with the seam of the wire being laser welded this ensures no moisture pick up. The wire is not copper coated, which means there is no chance of copper flakes contaminating feed liners, torches and contact tips. Dual Shield Prime 81Ni1M H4 is designed to weld high strength steels (>500 MPa, >72 ksi yield strength) and provides excellent impact toughness down to -60° C (-76° F). Dual Shield Prime 81Ni1M H4 is designed to be used with Ar/CO2 (M21) shielding gas mixtures.

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Typical Charpy V-Notch Properties

Impact Value Testing Temperature
as welded m21 shielding gas
110 J (81 ft-lb) -40 degC (-40 degF)
75 J (56 ft-lb) -60 degC (-76 degF)
as welded m21 shielding gas
110 J (81 ft-lb) -40 degC (-40 degF)
75 J (56 ft-lb) -60 degC (-76 degF)

Typical Tensile Properties

ConditionElongationShielding GasTensile Strength Yield Strength
As Welded28 %M21 Shielding gas587 MPa (85 ksi)533 MPa (77 ksi)

Deposition Data

Current 170-310 A
Deposition Rate 5.5-13.7 lb/h
Deposition Rate 2.5-6.2 kg/h
Diameter .045 in.
Diameter 1.2 mm
Voltage 23-35 V
Wire Feed Speed 236.2-649.6 in./min
Wire Feed Speed 6.0-16.5 m/min

Classifications

Weld Metal EN ISO 17632-A : T 50 6 1Ni P M21 1 H5
EN ISO 17632-B : T555T1-1M21A-N2-U-H5
SFA/AWS A5.29 : E81T1-Ni1M H4

Approvals

Approvals ABS 5YQ460SA H5
BV SA5Y46 H5
CE EN 13479
DNV-GL V Y46MS(H5)
LR 5Y46S H5
RS 5Y46S H5
Approvals are based on factory location. Please contact ESAB for more information.

Consumable Characteristics

Alloy Type C Mn Ni
Diffusible Hydrogen < 4 ml/100g
Welding Current DC+

Typical Weld Metal Analysis %

Typical Weld Metal Analysis %
C Mn Ni Si
M21 Shielding gas
0.03 % 1.34 % - 0.29 %
M21 shielding gas
- - 0.96 % -
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Part Numbers and Accessories

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Part Numbers : Dual Shield Prime 81Ni1M H4
35MM122470 FIND A DISTRIBUTOR
35MM126900 FIND A DISTRIBUTOR
35MM12690V FIND A DISTRIBUTOR

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

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