Destructive tests on welds in metallic materials. Etchants for macroscopic and microscopic examination1 Scope This Technical Report gives a non exhaustive list of etchants that can be used for the macroscopic and microscopic examination of welds in accordance with ISO 17639 for the following groups of materials: carbon steels and low alloy steels; stainless steels; nickel and nickel alloys; titanium and titanium alloys; copper and copper alloys; aluminium and aluminium alloys.

type designation

creepage distances and distances through insulation

in Reference [4] in which approximately 1 000 faecal samples of poultry layer flocks and approximately 900 faecal samples of broiler flocks were analysed

PAS 1000 addresses major business aspects from an agility perspective

This may seriously hamper the interpretation of the leaching tests

When these insulation materials based on mica are handled according to the standards provided in BS EN 60371-3-1

BS 6349-3 also covers all the principal types of facility and how all the factors which impact the maritime structure design should be taken into account through the design process

electrical trace heating systems operate safely under their normal defined conditions of use

This European standard deals with the requirements

This standard is intended for application to the design of new main control rooms in nuclear power plants designed to IEC 60964 and where this is initiated after the publication of this standard

TUP – thermally upgraded Kraft paper

BS EN 61067-3-1 contains one of the sheets comprising Part 3 as follows: