chemical composition of nm400 ultrasonic flaw detection

The adhesive wear of chemical composition of NM400, wear-resistant plate refers to the relative sliding of the contact surface between the workpiece and the workpiece. Due to the effect of solid-phase welding, the adhesive point is separated from the material matrix and transferred from one surface to another under the effect of shear force, resulting in the wear of the workpiece. Abrasive wear of wear-resistant plate refers to the phenomenon that external hard particles make the surface materials fall off in the process of friction and wear. There is also a case that there are hard convex particles on the surface of the workpiece, which can also play the role of abrasive in the process of friction and wear, resulting in surface spalling.

The advantage of plasma cutting is that it can cut thin plates, stainless steel and non-ferrous metals, and the cutting speed is fast. The disadvantage of plasma cutting is that the incision will have a slope, and there will be noise when cutting. The advantages of water jet cutting are wide cutting range and environmental protection, but the disadvantages of water jet cutting are slow cutting speed and high energy consumption. Do you know what is the best cutting method for chemical composition of NM400?

The company formulates appropriate chemical composition of NM400 product internal control components, strictly controls the fluctuation range of chemical components, and ensures the stability of steel plate performance. Strengthen batching control and smelting operations, effectively control the content of harmful elements such as Sn, Sb, As, Cu, and reduce the content of P and S to improve the purity of steel, reduce the tendency of temper embrittlement, and improve the high temperature corrosion resistance of steel. It adopts controlled heating to ensure heating time and temperature, and measures such as controlled rolling to ensure the inherent quality of the steel plate.

Rolled sheet is a very common material in industrial construction. Rolled sheet at room temperature is cold-rolled sheet, and cold-rolled sheet is the rolling of hot-rolled coils below the recrystallization temperature. The hot-rolled sheet is rolled above the recrystallization temperature. So what is the difference between chemical composition of NM400, hot rolled sheet and cold rolled sheet?