GB / T1591 Q345D steel is a commonly used low alloy plate in China. It is equivalent to grade S355J2 in Germany and ASTM A529MGr50 in the United States, with slightly different chemical composition and the same mechanical properties. Under normal delivery conditions, A131 grade B steel wide flats, Q345D steel equivalent to S355J2G3 in European standard, and even almost the same performance as the S355J2G4. They can be used interchangeably.
In production and operation, the company always attaches great importance to product A131 grade B steel wide flats quality. Product quality is stable, performance index is superior, after-sales service is in place, the company's products have been exported to the United States, Southeast Asia, Africa, the Middle East and other countries and regions, occupying a large part of the overseas market A131 grade B steel wide flats. And a large number of famous enterprises at home and abroad have formed a solid strategic partnership with the company.
The company has strong technical force, complete production equipment, advanced production technology, perfect testing methods, and high-quality products A131 grade B steel wide flats. Today, the company will further expand its scale on the existing basis, with first-class products and better service, to make new friends from all over the world, hope that we will work together to create brilliant! Serve our customers with the concept of "being honest and operating with integrity"!
The basic principle of A131 grade B steel wide flats, heat treatment of steel: put the metal workpiece in a certain medium and heat it to a suitable temperature, keep it in this temperature for a certain time, and then cool it at different speeds. Objective: to obtain the desired structure and properties by means of heating, heat preservation and cooling, so as to make the metal workpiece have the required mechanical, physical and chemical properties.
Before delivering our hot rolled plate product we apply various tests to check the quality of carbon steel A131 grade B steel wide flats plates such as- mechanical test, chemical test, hardness test, toughness test, eddy current test, impact test, micro test, flaring test, flattening test, etc. We are provided best packing for structural steel plates to avoid rust. Our after-sales service team will contact you if you have any question.
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