Metallurgi

ISO 6506-1:2014 specifies the method for the Brinell hardness test for metallic materials. It is applicable to both fixed location and portable hardness testing machines. For some specific materials and/or products, particular International Standards exist (e.g. ISO 4498) and make reference to this International Standard.

This document specifies the technical delivery requirements for seamless and welded butt-welding fittings (elbows, concentric and eccentric reducers, equal and reducing tees, caps) made of wrought carbon steel without specific inspection requirements. It specifies: a) steel grade and its chemical compositions; b) mechanical properties; c) dimensions and tolerances; d) requirements for inspection and testing; e) inspection documents; f) marking; g) protection and packaging.

This document specifies the technical delivery requirements for seamless and welded butt-welding fittings (elbows, concentric and eccentric reducers, equal and reducing tees, caps) made of austenitic and austenitic-ferritic (duplex) stainless steel without specific inspection requirements. This document specifies: - steel grades and their chemical compositions; - mechanical properties; - dimensions and tolerances; - requirements for inspection and testing; - inspection documents; - marking; - handling and packaging.