27SiMn Seamless steel pipe: Material characteristics and application overview
27SiMn seamless steel pipe chemical composition: C: 0.24 ~ 0.32, Si: 1.10 ~ 1.40, Mn: 1.10 ~ 1.40, P: ≤0.035, S: ≤0.035, Cu: ≤0.30, Cr: ≤0.30, Ni: ≤0.30, Mo: ≤0.15
Mechanical properties of 27SiMn seamless steel pipe: tensile strength (σb/MPa) : ≧980, yield point (σs/MPa) : ≧835, elongation after breaking (δ5/%) : ≧12, section shrinkage (ψ/%) : ≧40, impact absorption work (Aku2/J) : ≧39, Brinell hardness (HBS100/3000) (annealing or high temperature tempering state) : ≦217
Product specifications: 10mm~762mm, wall thickness 2mm~160mm.
Production method: hot rolling, heat treatment.
The main components of 27SiMn seamless steel pipe are carbon (C), silicon (Si) and manganese (Mn), which give the steel pipe excellent mechanical properties and processing properties. Specifically, silicon can improve the strength and hardness of steel, while enhancing the heat and corrosion resistance of steel; Manganese helps to refine the grain of steel and improve the strength and toughness of steel. In addition, 27SiMn seamless steel pipe also has good welding performance and machining performance, which can meet the needs of various complex processes.
.The production process
The production process of 27SiMn seamless steel pipe includes steelmaking, rolling, perforation, heat treatment and other links. In the process of steelmaking, the chemical composition needs to be strictly controlled to ensure the stable performance of the steel pipe. During the rolling process, the steel pipe can reach the desired shape and size by adjusting the parameters of the rolling mill. The perforation link is the key step to Pierce the solid billet into the hollow steel pipe. Finally, by heat treatment process, the residual stress inside the steel pipe is eliminated, and the mechanical properties and stability of the steel pipe are improved.
.Application fields
27SiMn seamless steel pipe because of its excellent performance, is widely used in petroleum, chemical industry, natural gas transmission, construction, machinery manufacturing and other fields. In the petroleum and chemical industry, 27SiMn seamless steel pipes can withstand harsh environments such as high temperature, high pressure and corrosion to ensure the safe and stable operation of the pipeline. In the construction field, 27SiMn seamless steel pipes are used for the support and connection of Bridges, high-rise buildings and other structures. In addition, in the field of mechanical manufacturing, 27SiMn seamless steel pipes are also used as manufacturing materials for various mechanical parts.
.Future development trend
With the progress of science and technology and the development of industry, the application field of 27SiMn seamless steel pipe will be further expanded, and the requirements for its performance will continue to improve. In the future, the development of 27SiMn seamless steel pipe will show the following trends:
1. High performance: By optimizing the composition design and improving the production process, the mechanical properties and corrosion resistance of 27SiMn seamless steel pipe are further improved to meet the more stringent application environment.
2. Green environmental protection: In the production process, pay attention to the implementation of energy saving and emission reduction and environmental protection measures, reduce energy consumption and pollutant emissions in the production process, and achieve green sustainable development.
3. Intelligent manufacturing: The use of advanced information technology and manufacturing technology to achieve automation, intelligence and precision of 27SiMn seamless steel pipe production, improve production efficiency and product quality.
4. Diversified applications: Explore the application of 27SiMn seamless steel pipe in new energy, aerospace, ocean engineering and other emerging fields, and promote its important role in more fields.
Shandong Fengbao Metal Products Co,. Ltd was was founded in August 2022. It is located in the largest steel pipe marketing base in China,the beautiful Water City on the north of the Yellow River - Liaocheng, adjoining Jinan in the east, one of the largest manufacturer and dealer on seamless steel pipe for decades.Our products include structural seamless carbon steel pipe, fluid conveying seamless steel pipe, honed tube for hydraulic cylinder and pneumatic cylinder, thick wall seamless steel pipe for machining parts, bearing steel pipe,carbon steel welded pipe,cold rolled steel pipe,boiler steel tube etc. We focus on pipes, so we are more profession on both produce and service.
Whatsapp: 008618262283768
Email: reyn@fengbaosteels.com