The precision grades of honed tubes are mainly classified based on dimensional accuracy (tolerance grade), form accuracy (roundness, cylindricity), and surface roughness (Ra value). Their impacts on performance and applications are as follows:

In the Brilliant Galaxy of Pipes for the Coal Mining Machinery Industry, 27SiMn Cold-Drawn Tubes Shine Like a Dazzling StarIt is no ordinary pipe, but one that showcases remarkable performance and excels in numerous fields. Today, let’s take an in-depth look at this favorite in the coal mining machi

To All Bosses in Cylinder Processing: Let’s Talk About Something Real — Are You Driven Crazy by “Repeated Grinding” Every Day?A few days ago, an old customer came to me to vent. He said that in his workshop, the grinding process alone takes up half the time when processing cylinder barrels. They ori

We would like to introduce the following products of Jianlida Technology Co., Ltd. to everyone:Cold-drawn tubesThe outer diameter and wall thickness tolerances are extremely small (for example, in the national standard GB/T 3639, the outer diameter tolerance grade of cold-drawn tubes can reach h8/h9