Fillet weld inspection gauges are important tools in welding work. They help check weld size and welding quality. Many industries use these tools, such as bridge building, pipeline construction, shipbuilding, and pressure vessel

Choosing the right universal testing machine (universal material testing machine) is crucial, and the key is to match the laboratory's testing needs, sample characteristics, accuracy requirements, and future expansion potential, avoiding both over-specification

JJG 139-2017, "Verification Procedure for Tensile, Compression, and Universal Testing Machines," has a clear scope of application, covering initial verification, subsequent verification, and in-use inspections of tensile, compression, and universal testing machines. This

In recent years, with the improvement of engineering quality requirements and the replacement of engineering materials, the laboratory will encounter more and more large-scale and high-strength steel bar inspection tasks. The maximum force