ISO Standards

ISO 18558:2015 specifies the testing method for determining the elastic modulus and bending strength of ceramic tubes or rings at ambient temperature by the compression tests on split ring pieces. Methods for test piece preparation, test modes and load rates, data collection, and reporting procedures are addressed. This International Standard applies primary to the ceramic

ISO 18319:2015 specifies requirements for fibre-reinforced polymer (FRP) sheets for upgrading of concrete members. The methodologies to express the mechanical properties as characteristic values, appearance and dimensions, and sampling test are specified in this International Standard. The properties for design are calculated from the characteristic values, as prescribed in an appropriate design code which is

This document specifies requirements for a trusted third party repository (TTPR) to support the authorized custody service in order to safeguard provable integrity and authenticity of clients’ digital records and serve as a source of reliable evidence. This document is applicable to retention or repository services for digital records as a source of evidence during

This document provides methods for the gauging of ISO UNJ threads complying with ISO 3161. Other methods of ensuring that the product is within the specified limits can be used, provided that correlation with the specified gauges is established.

This document gives guidelines for the choice of non-destructive testing (NDT) methods for welds and evaluation of the results for quality control purposes, based on quality requirements, material, weld thickness, welding process and extent of testing. This document also specifies general rules and standards to be applied to the different types of testing, for either

ISO 15208:2012 specifes the characteristics of continuous hot-dip zinc-coated twin-roll cast steel sheet of commercial quality manufactured using the twin-roll cast steel-making process. The product is intended for applications where resistance to corrosion is of prime importance. The steel sheet is produced in a number of coating mass, surface treatments and ordering conditions.

The requirements contained in this International Standard are applicable to joints of maximum DN 50 and components of maximum 5 l and maximum mass of 50 kg. This International Standard is intended to describe the qualification procedure for type approval of the tightness of components, joints and parts used in refrigerating systems and heat pumps