What grade is equal to the S355ML meaning

In the development process of more than 20 years, the company keeps pace with the times, keeps innovating its ideas, constantly adjusting its steel product S355ML meaning structure, constantly strengthening its comprehensive competitiveness, constantly improving its management level, and more importantly, forming its corporate culture of elements and personality. The company always strives to build itself a comprehensive competitive steel S355ML meaning supplier in the world.

The alloying elements of low alloy steel are less than 5%. The low alloy steel is added one or several alloy elements on the basis of carbon steel to improve the performance. Such as manganese, silicon, aluminum, nickel, copper, boron, phosphorus, rare earth, etc. S355ML meaning Steel with one or more of these elements will have the advantages of high strength and toughness. Due to the addition of few alloy elements, it is called low alloy high strength steel.

Grades S355ML meaning, Q345 (16Mn) and Q390 steel have good comprehensive mechanical properties, good welding performance, cold and hot workability and corrosion resistance. C, D, E grade steel has good low temperature toughness. Mainly used for ships, boilers, pressure vessels, petroleum storage tanks, bridges, power station equipment, lifting and transportation machinery and other higher-load welding structural parts.

The principle of stainless steel, the corrosion resistance of S355ML meaning, stainless steel depends on chromium, it depends on a very thin, solid and fine stable chromium rich oxide film (protective film) formed on its surface, to prevent oxygen atoms from continuing to infiltrate and oxidize, so as to obtain the corrosion resistance.

"A573 Grade 70 steel chemical composition(%)Carbon max. 0.28: Manganese: 0.85-1.20Phosphorus Max.: 0.03Sulfur Max.: 0.03Silicon: 0.15-0.40S355ML meaning, A573 Grade 70 steel mechanical propertiesTensile strength min. MPa: 290Yield strength min. MPa: 485Elongation % min. in 200mm : 18Elongation % min. in 50mm : 21"

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