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E81T1-B2C Welding Wire (CHT81B2)

E81T1-B2C welding wire is one kind of heat-resisting flux cored wire and it is suitable for single pass welding or multiple pass welding structures that fabricated by 1%Cr-0.5%Mo low alloy steels, e.g. 15CrMoR, which work temperature lower than 520℃.

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 base metal should be preheated to 150℃-300℃ before welding and after welding it should be tempered in temperature 680℃-720℃.
  • The flow rate of shield gas should within 20L-25L/min in welding.
  • The wire extention should be 15mm – 25mm.

E81T1-B2C Chemical Composition of Deposited Metal (%)

 CMnSiPSCrMo
Standard0.05-0.12≤1.25≤0.80≤0.030≤0.0301.00-1.500.40-0.65
Typical0.0580.800.250.0140.0101.150.45

Mechanical Properties of Deposited Metal (AW)

 Tensile Strength Rm (MPa)Yield Strength ReL (MPa)Elongation A4 (%)Ambient Temp Impact Value (J)
Standard550-690≥470≥17-
Typical6305502375

Sizes & Recommended Current (DC+)

E81T1-B2C Welding Wire Diameter (mm)1.2
F Welding Current (A)120-300
HF Welding Current (A)120-280
V, OH Welding Current (A)120-260
H Welding Current (A)120-280
VD Welding Current (A)200-280
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