GB/T 3098.17-2000 Испытание крепежных элементов на водородное охрупчивание – параллельный метод

Introduction of the GB/T 3098.17-2000 Standard The GB/T 3098.17-2000 standard specifies the preloading test method using parallel bearing surfaces to detect hydrogen embrittlement in fasteners. This method is crucial for ensuring the mechanical integrity of fasteners,...

GB/T 3098.21-2014: Механические свойства самонарезающих винтов из нержавеющей стали

Introduction to the GB/T 3098.21-2014 Standard The GB/T 3098.21-2014 standard specifies the mechanical properties of stainless steel self-tapping screws, focusing on their chemical composition and performance characteristics. This standard ensures that these fasteners...