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Lincoln Electric Welder User Manual

Page 29

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FIGURE 11 — Butt joint designs for submerged-arc welding.

FIGURE 12 — A typical double-V weld in Type 304 plate. Pass 1 was made at 700 amp, 33 volts,

16 ipm (6.8mm/sec); pass 2 at 950 amp, 35 volts, 12 ipm (5.1mm/sec). The power was DCRP;

electrode 3/16-in. (4.8mm). Type 308; neutral flux.

FIGURE 13 — Recommended groove dimensions for copper backing bars in the

submerged arc welding of stainless steels.