1. Strength Strength refers to the resistance of metal materials to damage (excessive plastic deformation or fracture) under static load. Since the action mode of the load is tensile, compression, bending, shearing, etc....
The properties of metal materials are generally divided into two categories: process performance and performance. The so-called process performance refers to the performance of metal materials under the specified cold an...
Inch uniform thread is widely used in inch countries. This type of thread is divided into three series: coarse tooth series UNC, fine tooth series UNF, extra fine tooth series UNFF, plus a fixed pitch series UN. Labeling...
Hardness indicates the ability of a material to resist the intrusion of a hard object into its surface. It is one of the important performance indicators of metallic materials. Generally, the higher the hardness, the bet...
GB—The national standard is one of many standards in China. There are also industry standards, professional standards and departmental standards. National standards are divided into: GB (mandatory standards) and GB/T (re...
Each fastener product involves several criteria for several aspects: 1) Standards for the dimensions of fastener products: specify the basic dimensions of the product; threaded products, including the basic dimensions of...
