A Quick Guide to Welding and Weld Inspection (Woodhead by S E Hughes

By S E Hughes

A concise and available advisor to the data required to fulfil the position of a welding inspector. In protecting either eu and US-based codes, the e-book provides these wishing to realize certification in welding inspection a uncomplicated all-round figuring out of the most topic matter.

  • A concise and obtainable consultant to the information required to fulfil the position of a welding inspector
  • Covers either ecu and US-based codes
  • Gives these wishing to realize certification in welding inspection a easy all-round realizing of the most topic matter

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Additional resources for A Quick Guide to Welding and Weld Inspection (Woodhead Publishing Series in Welding and Other Joining Technologies)

Sample text

Flame straightening uses an oxyacetylene torch (but not a cutting torch) to give a localised intense heat. The distortion caused by this localised heating can be used in some cases to straighten or modify the shape of a component. Typical examples of this method would be straightening flanges or removing bulges from insert plates. Heat treatment methods such as post-weld heat treatment stress relief can remove a high percentage of residual stresses. Mechanical stress relieving methods include: .

4% carbon Plain carbon steels contain only iron and carbon as main alloying elements. Traces of other elements such as Mn, Si, Al, S and P may also be present. It can be seen from the carbon diagram in Fig. 2 that an increase in carbon causes the ductility of steel to decrease while the tensile strength and hardness increase. 83% carbon content. Alloy steels contain alloying elements such as Mn, Mo, Cr and Ni and are divided into two groups: . Low alloy steels contain < 7% total of other alloying elements.

3d Page 38 of 48 Materials and Their Weldability Silicon (Si) Aluminium (Al) Niobium (Nb) and Titanium (Ti) and corrosion resistance of steels when alloyed at levels > 8%. It promotes austenite formation at temperatures below the lower critical temperature. Alloyed in small amounts as a deoxidiser in ferritic steels. Used as a grain refiner in steels and a deoxidising agent in triple deoxidised steels. Used to help carbide formation to stabilise stainless steel. Titanium Titanium is becoming more widely used in industry because of its excellent properties.

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