SM490C carbon steel plate sheet high strength low alloy steel

The company revolves around the long-term strategy of "building a quality base and building a century-long BEBON", adheres to the development ideas of innovation, transformation, and improvement, vigorously promotes transformation and upgrading, structural adjustment, energy conservation and emission reduction, and strives to create high-quality steel with strong core competitiveness and distinctive features The production base has become a green steel city with intensive land use, clean production, efficient use of resources, harmonious and friendly production and environment, business and society, and BEBON characteristics.

42CrMo alloy steel SM490C carbon steel plate sheet: low temperature tempering welding performance thermal processingThe heating temperature is 1150 ~1200°C, the starting temperature is 1130 ~1180°C, the ending temperature is> 850°C, and when φ> 50mm, slow cooling. The normalizing temperature is 850~900°C, and the furnace is air cooled. High temperature tempering: Tempering temperature is 680~700°C, and it is air-cooled from the furnace.

Oxygen (O) is a harmful element in steel such as SM490C carbon steel plate sheet. Although manganese, silicon, iron and aluminum are added to deoxidize the steel at the end of steelmaking, they can not be removed completely. During the solidification of molten steel, the reaction of oxygen and carbon in the solution will produce carbon monoxide, which can cause bubbles. Oxygen mainly exists in the form of FeO, MnO, SiO2, Al2O3 and other inclusions in the steel, which reduces the strength and plasticity of the steel. Especially, it has serious influence on fatigue strength and impact toughness.

According to the data released by the Japan iron and Steel Union (JISF), the export volume of Japanese steel in the second quarter of 2020 SM490C carbon steel plate sheet is about 4.959 million tons, a year-on-year decrease of 14.2%; the export volume in the first half of 2020 is about 11.07 million tons, with a year-on-year growth of 1.8%. It has been revealed that the year-on-year increase in export volume does not mean that Japan's export SM490C carbon steel plate sheet situation of Pugang is better in the first half of the year, but only because the base number of the same period last year is too low.

Customer service center has provided after-sales service for many large-scale information systems, and has accumulated rich working experience in the process of SM490C carbon steel plate sheet service for many years. It can provide accurate, timely and high-quality support and service for users, which is well received by users.

The SM490C carbon steel plate sheet prices in the dominant market today is mainly stable. Regarding the transaction situation, some SM490C carbon steel plate sheet merchants reported that the current demand is poor, coupled with the shortage of resources in some areas, the overall transaction is not satisfied. For the market outlook, under the support of relatively high costs, high prices are supported, but the SM490C carbon steel plate sheet price increase momentum is insufficient due to poor demand. On the whole, it is expected that the SM490C carbon steel plate sheet market prices will remain consolidated tomorrow.