#bohnart

[whats-in-a-sentence]

When the torch is moved from side to side, Fig. 7-7, more material is heated to the ignition temperature so that additional material is oxidized and blown out of the kerf.

"Welding: Principles and Practices", 6e - Edward R. Bohnart

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The eyes must also be protected from the heat coming from the job.

"Welding: Principles and Practices", 6e - Edward R. Bohnart

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The history of the iron and steel industry in North America extends back over 300 years, beginning with a successful ironworks in Saugus, Massachusetts, about 20 miles northeast of Boston. It operated from 1646 to 1670.

"Welding: Principles and Practices", 6e - Edward R. Bohnart

[whats-in-a-sentence]

Commercial acetylene is made from calcium carbide, which is commonly referred to as carbide. Carbide is a gray, stonelike substance that is the product of smelting coke and lime in an electric furnace.

"Welding: Principles and Practices", 6e - Edward R. Bohnart

[whats-in-a-sentence]

If a fire should occur, properly trained personnel should use dry sand, powdered graphite, or commercially available Metal-X* to extinguish the titanium.

*Metal-X is a registered trademark for powder produced by Ansul Manufacture in Marinette, Wisconsin.

"Welding: Principles and Practices", 6e - Edward R. Bohnart

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11. After you are able to make welds of good appearance and of good quality in the flat position, practice in the other positions. A T-joint welded in the vertical-up position is shown in Fig. 8-37.

"Welding: Principles and Practices", 6e - Edward R. Bohnart

[whats-in-a-sentence]

9. Continue practice until the welds have the characteristics shown in Fig. 8-36 and are acceptable to your instructor.

"Welding: Principles and Practices", 6e - Edward R. Bohnart

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5. The torch and filler rod should be held in about the same position as that used when welding a lap joint, Fig. 8-35.

"Welding: Principles and Practices", 6e - Edward R. Bohnart