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Home / 2009 / August (Page 2)

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MULTI-PURPOSE WELDING POWER SOURCE

Exceptionally easy to use and control, the MTS 3500i is a multi-process, fourth generation inverter power source that combines reliability with a powerful, versatile package that offers excellent welding capabilities for MIG, TIG or Stick welding.

MULTIPLE-WIRE WELDING CREATES HIGH PRODUCTIVITY, HIGH QUALITY

Innovative welding systems, including a continuous seam tacking system and ID and OD pipe welding stations that use multiple wire welding techniques, combine to produce faster travel speeds and improve the mechanical properties of the linepipe being manufactured by Berg Steel.

HOW DOES WELDING AFFECT THE HAZ OF THE WELD'

Based upon the particular aluminum alloy type and its temper, the tensile strength of the HAZ can be significantly different from the tensile strength of the unaffected area of the welded component. However, the reduction in tensile strength of the HAZ under controlled conditions, particularly with the non-heat treatable alloys, can be somewhat predictable.

Safety in Gas Welding & Cutting – Using Caution with Gases Can Save Lives

Gas welding, cutting and heating apparatus are extremely useful tools for a variety of work and hobby applications. But Paul Mercuri of ESAB explains why any procedure that uses oxygen or other flammable gases in the presence of flame carries significant risks. He warns that every worker, from beginner to seasoned professional, needs to be constantly mindful of safety precautions.

RESISTANCE: THE UNKNOWN WELDING VARIABLE

When unintended resistance is introduced into the welding circuit, it can lead to equipment failure, poor weld quality, porosity, the inability to weld to specification and the frustration of trying to diagnose an intermittent problem. Here?s how to prevent it from happening.

DISTORTION IN ALUMINUM WELDMENTS

When replacing distorted steel with aluminum on a complex fabricated structure, consider the amount of distortion to be expected with aluminum and how that can be prevented.

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