Welcome to Henan BBN Steel
20Mn2 steel is used to manufacture carburized parts with low requirements on the surface and core, and with a cross-sectional diameter of less than 50mm, such as carburized pinions, small shafts, and low-demand pistons instead of 20Cr steel in the manufacture of automobiles, tractors and machine tools Pins, cross pin heads, diesel engine sleeves, valve jacks, gearbox levers, steel sleeves, etc. In addition, this kind of steel can also be used to make riveting weldments, screws, nuts, etc. under hot rolling and normalizing conditions.
Zhengzhou BBN steel company was established in 2000. After more than ten years of development, it has formed a professional operation pattern integrating R&D, production, sales and after-sales service. In recent years, EN10025-4 S460M steel supplier based on a high starting point and high technology, the company has vigorously developed various steel products EN10025-4 S460M steel supplier and deep-processed parts, steel structures, precision castings, seamless pipes.
As the thickness and hardness of EN10025-4 S460M steel supplier increase, the tendency to crack at the cutting edge increases. In order to prevent the EN10025-4 S460M steel supplier from cutting cracks, preheating should be carried out before EN10025-4 S460M steel supplier cutting. Special attention should be paid to preheating to make the entire EN10025-4 S460M steel supplier interface evenly heated to avoid local overheating in the area contacting the heat source. If the whole EN10025-4 S460M steel supplier cannot be preheated, the partial preheating method can be used instead.
When phosphorus, copper, chromium, nickel and other trace elements are added to the weathering steel sheet, a dense and strong adhesion protective film will be formed on the steel surface, which will hinder the corrosion from spreading and developing inside, and protect the substrate under the rust layer, so as to slow down the corrosion rate. That is why the weathering steel sheet, EN10025-4 S460M steel supplier has good atmosphere corrosion resistance.
We should help solve the customer's problems in time, not just verbally, without solving the problems or shirking the responsibility. Improving after-sales efficiency can make customers feel respect. We should take their problems seriously and show sincerity. It can also give customers a good impression and reduce the negative impact.