Innershield Welding Guide (pdf) - Lincoln Electric
Innershield Welding Guide (pdf) - Lincoln Electric
Innershield Welding Guide (pdf) - Lincoln Electric
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NR-232 .072” WELDING PROCEDURES<br />
VERTICAL UP AND OVERHEAD BUTT WELDS –<br />
STEEL BACKUP<br />
Plate Size – T (in) 3/8 & up<br />
Pass 1 2 & up cap<br />
Electrode<br />
Polarity<br />
.072" NR-232 DC( – )<br />
CTWD 3/4" 3/4” 3/4”<br />
Drag Angle 0° 5 – 20° 5 – 20°<br />
Wire Feed Speed<br />
(in/min)<br />
155 155 155<br />
Arc Volts 22 22 20<br />
Travel Speed (in/min) As Req’d As Req’d As Req’d<br />
Deposit Rate (lbs/hr) 6.0 6.0 6.0<br />
FLAT AND HORIZONTAL FILLET WELDS<br />
Plate Size – T (in) 5/16 3/8 3/8, & up<br />
Leg Size – L (in) 1/4 5/16 over 5/16<br />
Pass 1 1 As req’d<br />
Electrode<br />
Polarity<br />
.072" NR-232 DC( – )<br />
CTWD 3/4 – 1-1/4” 3/4 – 1-1/4” 3/4 – 1-1/4”<br />
Drag Angle 20 – 30° 20 – 30° 20 – 30°<br />
Wire Feed Speed<br />
(in/min)<br />
290 290 250<br />
Arc Volts 23 – 24 23 – 24 21 – 22<br />
Travel Speed (in/min) 16 11.5 As Req’d<br />
Deposit Rate (lbs/hr) 11 11 9.5<br />
(1) For maximum penetration, point the electrode into the corner or slightly<br />
into the butting corner.<br />
Because design, fabrication, erection and welding variables<br />
affect the results obtained in applying this type of information,<br />
the serviceability of a product or structure is the responsibility<br />
of the builder/user.<br />
– 35 –
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