Whether SMA490AW, SMA490BW, SMA490CW steel grades need preheating

home > FAQ

Whether SMA490AW, SMA490BW, SMA490CW steel grades need preheating

The company cooperates with SMA490AW, SMA490BW, SMA490CW steel grades steel plants such as Maanshan Iron and Steel, Youdan, Liugang, Tangshan Iron and Steel, Xinyu, Jinan Iron and Steel, Shougang, Shagang, Rizhao, Pinggang, Xicheng, Dachang and other steel mills all year round. Alloy plate, SMA490AW, SMA490BW, SMA490CW steel grades boiler plate, container plate, carbon plate, open plate, I-beam, angle steel, channel steel, H-beam, round steel, steel pipe, hot rolled coil, cold rolled galvanized and other spot stocks.

HP295 is mainly used in the manufacture of liquefied gas cylinders, its SMA490AW, SMA490BW, SMA490CW steel grades chemical composition is stable, P, S content is low, pure steel, the internal organization, fine grain. Moderate strength, good plasticity, low yield ratio, yield platform is not obvious, vertical and horizontal performance of small differences, excellent cold stamping performance.

Steel plates for high-rise buildings have the properties of easy welding, earthquake resistance, and low-temperature impact resistance, and are mainly used in large-scale projects such as high-rise buildings, super-tall buildings, large-span stadiums, airports, exhibition centers, and steel structure workshops. Compared with ordinary Q235B / Q345B steel plates, these plates SMA490AW, SMA490BW, SMA490CW steel grades for high-rise buildings have upper limits on yield strength and improved tensile strength, and have requirements for carbon equivalent and yield ratio indexes.

When the stainless steel plate is alloyed with chromium, the type of surface oxide is changed to that formed on pure chromium metal. This tightly adherent chromium rich oxide protects the surface from further oxidation. This kind of oxide layer is very thin, through which we can see the natural luster of the steel surface, so that SMA490AW, SMA490BW, SMA490CW steel grades, stainless steel has a unique surface.

Seamless pipes material and specification
API 5L Gr.B, SMA490AW, SMA490BW, SMA490CW steel grades A106 Gr.B, ASTM A53 Gr.B, ST37.0, ST35.8, St37.2, St35.4/8,St42,St45,St52,St52.4, STP G38, STP G42, STS42STPT49STS49
Sizes(mm): 0.12-2.0mm*600-1250mm
Wall Thickness(mm):1.2mm-40mm
Certificates: API5L ISO 9001:2008 TUV SGS BV etc
Surface: Black painting, varnish paint, anti rust oil, hot galvanized, cold galvanized, 3PE

It is a modern high-tech professional enterprise integrating scientific research, SMA490AW, SMA490BW, SMA490CW steel grades production and sales. The company is mainly engaged in the manufacture, installation and commissioning of boiler and pressure vessel, chemical, metallurgical, petroleum and other equipment, as well as SMA490AW, SMA490BW, SMA490CW steel grades process technology development, technology transfer and related technical consulting and technical services.

The company is deeply supported and loved by customers with its unique business philosophy and business model. The company has always been adhering to the "credibility first, integrity-based, quality first" purpose, and sincerely serve new and old customers. Over the past twenty years, the company has won the trust of customers by relying on good service and good reputation. Our aftersales team’s main responsibility is to deal with quality feedback and complaints from Customer.

Ask for the instant quotation