20# bright bar is a high-quality carbon structural steel material. It has a uniform and bright appearance and a smooth surface without defects. In terms of performance, 20# bright bar has good strength and toughness. Its tensile strength is moderate, it can withstand a certain load, and it is not easy to break when subjected to force. It also has good plasticity and can be subjected to various cold and hot processing operations, which is convenient for processing into products of different shapes and sizes. The material has good cutting performance, small tool wear during processing, and easy chip breaking, which helps to improve production efficiency. In addition, the welding performance of 20# bright bar is also relatively good. It can be connected by a variety of welding methods. The welded joints are firm and reliable. It is one of the most popular materials in many industries.
Chemical element content (%)
C | Si | Mn | P | S | Cr | Ni | Cu | |
Min | 0.17 | 0.17 | 0.35 | - | - | - | - | - |
Max | 0.23 | 0.37 | 0.65 | 0.035 | 0.035 | 0.25 | 0.30 | 0.25 |
Please note that the specific content may fluctuate under different production batches and technical requirements.
Specification:1.00~300.00mm
Higher strength
Good plasticity and toughness
Moderate hardness
Good cutting performance
Excellent cold working performance
Good welding performance
Application: Mainly used to manufacture gears, shafts, bolts, nuts, valves, structural parts, etc.; widely used in machinery manufacturing, automobile manufacturing, petrochemicals, construction and other fields.
Compared with other brands of 20# bright bars, what are the advantages of Sividen's 20# bright bars?
1. High quality stability: Advanced and strict production process and quality control system, strict control from raw material screening to production in all links, very precise control of chemical composition, can accurately control the content of various elements such as carbon, silicon, manganese, etc., to meet the standard requirements, to ensure the mechanical properties and quality stability of 20# bright bar. The performance and quality fluctuations of Sividen bright bar are very small, which can meet customers' high requirements for product consistency and provide reliable guarantee for subsequent processing and use.
2. Excellent surface quality: The use of advanced production equipment and processing technology makes the surface smoothness, flatness and finish of 20# bright bar very high. Smooth surface can not only reduce friction in subsequent processing and improve processing efficiency, but also reduce stress concentration caused by surface defects and extend the service life of the product. The surface treatment process is optimized during the production process, so that the surface of the bright bar has better corrosion resistance. In some environments with high requirements for corrosion resistance, 20# bright bar can maintain good performance and is not easy to rust and corrode.
3. High dimensional accuracy: Advanced production equipment and precision testing instruments can accurately control the size of 20# bright bar, making its dimensional tolerance range smaller, which can meet customers' requirements for high-precision dimensions. Not only is the dimensional accuracy of a single product high, but the dimensional difference between bright bars in the same batch is also very small, with good dimensional uniformity. For some products that require batch processing, this can ensure the dimensional consistency of each part, improve production efficiency and product quality.
4. Rich product variety: According to market demand and customer's special requirements, customized 20# bright bar products are provided to meet the use requirements under various complex working conditions, providing customers with more choices.
5. Perfect after-sales service: The perfect after-sales service system can respond to customer needs and feedback in a timely manner. For problems encountered by customers during use, technical support and solutions are provided to customers quickly.