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E71T-1M Flux-Cored Welding Wires (CHT711M)

E71t-1M is designed for mixed gas and it has good welding performance even vertical down welding could be applied. It is widely used in structures fabricated by mild steels and 490MPa grade high tensile strength steels, such as ships, pressure vessels, machineries, petrochemical industry equipments, bridges and so on.

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-1M Chemical Composition of Deposited Metal (%)

 CMnSiPS
Standard≤0.18≤2.00≤0.90≤0.030≤0.030
Typical0.0551.300.400.0180.009

Mechanical Properties of Deposited Metal (AW)

 Tensile Strength Rm (MPa)Yield Strength ReL (MPa)Elongation A4 (%)-20℃ Impact Value (J)
Standard490-670≥390≥18≥27
Typical54045030120

Sizes & Recommended Current (DC+)

E71T-1M Welding Wire Diameter (mm)1.2
F Welding Current (A)120-300
HF Welding Current (A)10-280
V, OH Welding Current (A)120-260
H Welding Current (A)120-280
VD Welding Current (A)200-280
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