Welding. Recommendations for welding of metallic materials - Welding of cast irons1 Scope This document specifies the requirements for fusion welding of unalloyed and low alloy cast iron castings produced in accordance with: EN 1561, Founding Grey cast irons; EN 1562, Founding Malleable cast irons; EN 1563, Founding Spheroidal graphite cast irons. This document does not apply to the joint welding of cast iron castings to other materials.

Excluding any of the requirements specified in Clauses 4

electric strength

The guidance and recommendations in BS EN ISO 22313:2020 apply to all sizes and types of organizations

BS EN 61158-3-7 defines in an abstract way the externally visible service provided by the Type 7 Fieldbus data-link layer in terms of:

consumer protection

Safety certification providing entities for electro-sensitive protective equipment

The standard has been substantially revised to improve clarity and tighten up the safety recommendations

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implementation and continual improvement

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It is therefore suited to the testing of elongated objects such as pipes

provided for AC and DC electric traction systems