JOB KNOWLEDGE 126

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JOB KNOWLEDGE 126

Radiography Part 3 The previous two articles dealt with what may be termed conventional radiographic techniques employing either gamma- or X-ray sources and photographic film. The development of  electronics, in particular the increase in computing power over the last 20 or 30 years, has enabled what were laboratory based radiographic methods – real time radiography […]

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Focus on Standards

ISO 15614-1 Second edition 2017-06 – Part 2 in our series Specification and qualification of welding procedures for metallic materials – Welding procedure test – Part 1: Arc and gas welding of steels and arc welding of nickel and nickel alloys The new version of the standard was published during June 2017 as ISO 15614-1:2017

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Visual Testing You see, but do you observe? Introduction Visual testing is the most common and essential of all Non-Destructive Testing (NDT) methods. Unlike other NDT methods which require either special equipment or consumables to reveal an indication, visual testing, in its most common form, only requires one to look at a surface and interpret

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Focus on Standards

ISO 15614-1 Second edition 2017-06 Specification and qualification of welding procedures for metallic materials — Welding procedure test — Part 1: Arc and gas welding of steels and arc welding of nickel and nickel alloys The new version of the standard was published during June 2017 as ISO 15614-1:2017 and is in the process of

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Consumable Testing and Diffusible Hydrogen in Weldments

SAIW a one-stop-shop for consumable testing and verification Confidence Lekoane Despite it being a subject that has been intensely researched over the decades, Hydrogen in weldments of steel, particularly high-tensile and high strength low-alloyed steels continue to limit the performance of components due to the negative effect on the properties of the metal. Embrittlement, cracking and

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