What is the difference between alloy steel and astm a516 grade 70 yield

Beijing machining center has more than 1000 employees, including 360 technicians, 28 engineers, 6 senior welders, 15 professional welders, 52 bachelor's degree, 3 doctor's degree, and 8 R & D team. It is a professional astm a516 grade 70 yield production team combining theory and practice. With an annual output of 80000 tons, looking forward to the future, our company continues to strengthen the advantages of astm a516 grade 70 yield leading suppliers in the four steel fields of steel plate, steel pipe, stainless steel and special steel.

For astm a516 grade 70 yield buyers, the impact of the rise and fall of astm a516 grade 70 yield prices is great. Because of the large amount of astm a516 grade 70 yield purchases and the large amount of funds involved, many astm a516 grade 70 yield purchasers will carefully consider the price issue, and some astm a516 grade 70 yield purchasers who are far away will also consider the freight issue. When the price of astm a516 grade 70 yield overall drops, a large number of astm a516 grade 70 yield buyers will hoard in large quantities. When astm a516 grade 70 yield prices rise, we should predict and stock up appropriately.

Q235 steel grades cover Q235A, Q235B, Q235C and Q235D. Other than Q235A, the other three Q235 steel grades needs impact test. Charpy V-notch specimen is used for impact toughness test. The impact toughness index is Akv. Q235 steel plates are widely used because of its moderate carbon content, good comprehensive performance, good coordination of strength, plasticity and welding performance.

Mg element can reduce the number, size, distribution and morphology of inclusions in steel such as astm a516 grade 70 yield. Micro Mg can improve the size and distribution of carbides in bearing steel. And the carbide particles of bearing steel containing magnesium are fine and uniform. When Mg content is 0.002% - 0.003%, the tensile strength and yield strength of the steel increase by more than 5%, and the plasticity remains basically unchanged.

The carbon content of astm a516 grade 70 yield, medium carbon steel plate is 0.25% - 0.60%. In addition to carbon, it can also contain a small amount of manganese (0.70% - 1.20%). The medium carbon steel plate after quenching and tempering has good comprehensive mechanical properties. The highest hardness is about HRC55 (hb538) and σ B is 600-1100mpa.

The company adheres to the business philosophy of "good quality, customer first, honesty and trustworthiness", and strives to provide customers with high-quality astm a516 grade 70 yield products and excellent services. Our company's products astm a516 grade 70 yield are widely used in petroleum, chemical, power station, boiler and other industries, mainly used in reactors, heat exchangers, separators, spherical tanks, oil and gas tanks, liquefied gas tanks, nuclear energy reactor pressure shells and other equipment.

After-sales service team is a key department to test the steel quality. Product quality is always the foundation of our survival and development. The company's full inspection from raw materials to finished products; and implements standardized, scientific, and strict internal quality control and management systems in accordance with the process flow during the production process; products can only leave the factory if qualified, and follow-up problem solving systems are implemented in after-sales services to guarantee the customers’ interest.