Duty Pipe

Duty Pipe

Pipe Welders and Boilermakers use a Tig welding technique called the "lay wire" technique.

What it means is that the tig welding filler wire is held in the weld puddle all the time instead of being dipped in and out as will traditional tig welding techniques used for sheet metal.

Pipe welding is different from sheet metal welding and pipe welders are a different breed than those who weld sheet metal.

For one thing, Pipe welders often use a technique known as "walking the cup". This is a technique that works especially well for pipe and not a whole lot else.

Aerospace welders, motorsports welders, sheet metal welders, and most other job shop tig welders do not find much use for walking the cup. But the lay wire technique can be useful for lots of jobs.

Any tig welding job where the thickness is more than 1/8" inch or.125"...or about 3mm might be able to be done using this method. Especially if pulse parameters are used.

A note of caution: There is always a risk of lack of fusion when you use this technique on fillet welds because leaving the rod in the puddle can chill the puddle and can conceal the leading edge of the puddle making it difficult to ensure proper fusion all the way into the root.

I have heard of recent failures in socket welds where lack of fusion in the root was a contributing factor to the failure and socket welds are very often welded using the lay wire method.

But a socket weld on a power plant that goes through thermal mechanical fatigue is much different that a bracket for your headers on a hot rod project.

So the bottom line is this: use the lay wire method scrupulously. Like when aesthetics are the important thing. When absolute complete fusion is required all the way down in the root of a fillet weld, the dip method rules.

Read more about tig welding laywire along with tons of Down and Dirty welding tips.

For TIG, MIG, and STICK welding tips along with a buttload of other welding information, visit http://www.weldingtipsandtricks.com/

Ridgid® - Heavy Duty 4-Wheel Pipe Cutters $229.9 Heavy-Duty pipe cutters 42A HD PIPE CUTTER. Pipe cutters with No. 42-A has a short handle. Short handle type is used in areas only 130° turn can be done. Second handle on No. 44-S. Second handle allows two man leverage achievable on large pipe sizes. Pipe Cutters created for work areas where complete turn is not possible. Hand tools equipped with four heavy-duty wheels. Available with four wheels. Made of Cast Iron. Weighs 6 3/4 lbs. With a pipe capacity of 3/4 in. (Min.), 2 in. (Max.).

10 Heavy Duty Pipe Wrench(Pack Of 12) $87 10 inch heavy duty pipe wrench hardened amp; tempered alloy steel jaws. Double blistered packaging. Bar coded....

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Ridgid 813070 2A Heavy Duty Pipe Cutter $349.66 Extra Long Shank Protects Feed Screw Adjustment Threads. Strong Iron IBeam Frame. Cutter Wheel Protected By Frame. Roll Housing Travels on Machined Ways to Provide Accurate Tracking. Pipe Capacity 1/8 2 .

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Great Neck Saw 36in. Heavy Duty Aluminum Pipe Wrench APW36 $90.96 Professional heavy duty pipe wrench. Precision milled moveable jaws. Quality steel construction. Perfectly balanced. 36 . Length: 31.5. Width: 2.5. Height: 6.25

Ridgid 63232870 Heavy Duty 4Wheel Pipe Cutter $247.81 Designed for work in areas where a complete turn is impossible. No. 42A has a short handle for use in areas where only a 130deg; turn can be made . Second handle on No. 44S makes two man leverage possible on large pipe sizes . Both equipped with four heavyduty wheels

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Krups Pipe $1.99 Pipe

Western Enterprises - Pipe Thread Elbows $12.4 Heavy-duty pipe thread elbows. Welding hose and compressed gas fittings are engineered in brass for heavy-duty connections Makes use of standard male and female combination connections Resists rust and corrosion

Heavy Duty Spring Hook $8.99 Take the danger and difficulty out of removing and installing the exhaust pipe springs on your machine Heavy duty construction

Off Duty Pipe Fitter Funny Dark T-Shirt by CafePress $26 Yes, you work as a pipe fitter. But right now you're off duty. On vacation. It's the weekend. YOUR DAY OFF Funny Dark T-Shirt Tee, TShirt, Shirt Don't waste time deciding on which shirt to put on each morning. This dark shirt t-shirt will never go out of style and hides stains better too. This high-quality t-shirt is pre-shrunk and 100% cotton, which makes it both comfortable and durable.

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Pony® - Adjustable Pipe Wrenches $19.2 Tough and durable pipe wrenches. Hardened and tempered wrenches for strength. Made with malleable alloy material. Malleable handle comes with heavy-duty enamel finish. Precision machined jaws and knurled adjusting worm. With painted finish and I-beam handle type.

Pipe $194.99 Pipe - Framed Giclee Print

Ridgid® - Aluminum Straight Pipe Wrenches $49.9 Light pipe wrenches. Pipe Wrenches with jaws and the rest of the parts similar to Ridgid heavy duty wrenches Hand Tools almost 40% lighter than other similar cast-iron models Made of Aluminum Jaws made of Alloy Steel

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