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E71T-1C-J Welding Wire (CHT71Ni)

E71T-1C-J welding wire is used for welding structures fabricated by mild steels and 490MPa grade high tensile strength steels, such as ships, offshore platforms, pressure vessels, pipes and so on. The weld metal has good plasticity and low temperature impact toughness.

Type of Flux: Rutile

Welding Position: F, H, HF, OH, V, VD

Type of Current: DCEP

Notice:

  • To avoid rust the wire must be kept in dry condition and keep the package in good condition also before welding.
  • The surfaces to be welded must be cleaned away impurities of oil contamination, rust, moisture and so on.
  • The flow rate of shield gas should within 20L-25L/min in welding.
  • The wire extention should be 15mm-25mm.

E71T-1C-J Chemical Composition of Deposited Metal (%)

 CMnSiPSNi
Standard≤0.18≤2.00≤0.90≤0.030≤0.030≤0.50
Typical0.041.300.350.0140.0080.45

Mechanical Properties of Deposited Metal (AW)

 Tensile Strength Rm (MPa)Yield Strength ReL (MPa)Elongation A4 (%)-40℃ Impact Value (J)
Standard490-670≥390≥18≥27
Typical52042530110

Sizes & Recommended Current (DC+)

E71T-1C-J Welding Wire Diameter (mm)1.21.41.6
F Welding Current (A)120-300150-380180-430
HF Welding Current (A)120-280150-320180-380
V, OH Welding Current (A)120-260150-270180-280
H Welding Current (A)120-280150-320180-330
VD Welding Current (A)200-280200-300250-300
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