The DIN17175 17Mn4 heat-resistant seamless steel tube is a highly specialized product designed to meet the rigorous demands of various industrial applications. This article aims to provide a detailed introduction to the chemical composition, mechanical properties, heat treatment status, dimensional range, impact testing, primary applications, and supply cases by TJC Steel Group.

Chemical Composition:

The 17Mn4 steel grade boasts a unique chemical composition that ensures its exceptional performance. The key elements in its composition are: Carbon (C: 0.15-0.22%), Silicon (Si: 0.30-0.60%), Manganese (Mn: 1.0-1.60%), Phosphorus (P: ≤0.035%), Sulphur (S: ≤0.030%), Aluminum (Al: 0.020%), Chromium (Cr: 0.25%), Molybdenum (Mo: 0.10%), Copper (Cu: 0.30%), and other trace elements such as Niobium (Nb: 0.01%), Nickel (Ni: 0.01%), Titanium (Ti: 0.30%), and Vanadium (V: 0.03%).

Mechanical Properties:

The 17Mn4 seamless steel tube exhibits remarkable mechanical properties. Its high strength, coupled with excellent ductility, fatigue resistance, impact resistance, corrosion resistance, wear resistance, weldability, and ease of processing, makes it a preferred choice for numerous applications.

Heat Treatment Status:

The DIN17175 17Mn4 seamless steel tubes undergo various heat treatment processes to enhance their performance. These include cold drawing (BK), ordinary annealing (Annealing), stress relief annealing (BKS), normalizing (Normalized), bright annealing (NBK), normalizing with tempering, and solid solution annealing. These processes ensure optimal material properties for specific applications.

Dimensional Range:

The 17Mn4 seamless steel tubes are available in a wide range of sizes, including outer diameters ranging from 10mm to 426mm and wall thicknesses from 1mm to 80mm. Additionally, hot-expanded tubes with diameters from 219mm to 1020mm and wall thicknesses from 6mm to 60mm are also available.

Impact Testing:

Impact testing is performed on the 17Mn4 seamless steel tubes to ensure their resilience and ability to withstand sudden loads. These tests ensure that the material can maintain its integrity under demanding conditions.

Primary Applications:

The DIN17175 17Mn4 seamless steel tubes find extensive use in various industries, including petroleum, chemical, power generation, and boiler manufacturing. They are commonly employed in the construction of reactors, heat exchangers, separators, spherical tanks, oil and gas tanks, liquefied gas tanks, nuclear reactor pressure shells, boiler drums, liquefied petroleum gas cylinders, high-pressure water pipes in hydropower stations, and turbine casings.

Supply Cases by TJC Steel Group:

TJC Steel Group, a leading supplier of high-quality steel products, has a robust portfolio of DIN17175 17Mn4 seamless steel tubes. The company's extensive experience in the steel industry and commitment to quality ensure that customers receive reliable and durable products that meet their specific requirements. Whether it's for a large-scale industrial project or a specialized application, TJC Steel Group can provide the right material solutions.

In conclusion, the DIN17175 17Mn4 heat-resistant seamless steel tube is a versatile material that offers exceptional performance in various industrial applications. Its unique chemical composition, mechanical properties, heat treatment status, dimensional range, and ability to withstand impact loads make it a preferred choice for numerous demanding applications. With TJC Steel Group as a reliable supplier, customers can rest assured that they will receive high-quality products that meet their specific needs.