fbpx

Product Catalog

E71T-8-H8


Alloy Type:

Description:

E71T-8-H8  is a self-shielded, carbon steel, flux cored electrode. It is intended for the welding without a shielding gas of carbon and certain low alloy steels where excellent low temperature toughness is required. A fast freezing slag facilitates welding in all positions. It has a smooth globular transfer, excellent bead shape and easily removed slag. E71T-8-H8 is designed for structural applications such as bridge fabrication, ship and barge construction, as well as other general fabrication.

Classification & Approvals:

  • E71T-8-H8 per AWS A5.20, ASME SFA 5.20
  • E71T8-A2-CS3-H8 per AWS A5.36, ASME SFA 5.36
  • AWS D1.8 Seismic, CWB E491T-8-H8, ABS 3YSA, DNV IIIYMS

Advantages:

  • Operates on straight polarity (DCEN) with no external shielding gas.
  • Fast freezing slag facilitates excellent weldability in all positions.
  • Exhibits a smooth globular transfer, minimal spatter and easily removed slag.

Typical Mechanical Properties:

Ultimate Tensile Strength (psi)  87,000

Yield Strength (psi)  64,000

Percent Elongation  27

Typical Deposit Composition (wt%):

CMnSi                         P                                 Al

0.210.720.20             0.010         0.005        0.55

Recommended Welding Parameters (DCEN):

Diameter WFS AMPERAGE VOLTAGE CTWD (IN.)
1/16″ 120 165 17-18  5/8
170 200 18-19  3/4
220 235 20-21 1
270 270 21-22 1
350 310 23-24 1
.072″ 125 185 18-19  3/4
175 220 20-21 1
200 245 21-23 1
225 265 22-24 1
250 275 22-24 1
5/64″ 60 140 17-18  3/4
100 210 18-19  3/4
150 255 21-22 1
200 300 22-23 1
250 330 23-24 1

*These parameters may be used in all positions.  The ability to weld out of position at the higher current levels will depend on plate thickness and welder skill.

Search all Products

Copyright 2024 Welding Material Sales | Admin