This standard reveals the content of the concept of resolving perlite and establishes two methods for determining its percentage content. These methods are applicable to wire rod made from steel containing more than 0.65% carbon and subjected to a controlled cooling process.
GOST R ISO 16574-2021 history
2022GOST R ISO 16574-2021 High carbon steel wire rod. Test methods for percentage determination of resolvable perlite