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10# Low-Carbon Cold-Drawn Square Steel Square Bars Easy-to-Process Soft State with Low Loss Cutting
Our 10# low-carbon cold-drawn square steel bars feature a soft, easy-to-process state, ensuring minimal cutting loss. With precise dimensions, uniform texture and excellent formability, they are ideal for manufacturing precision components and structural parts.
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10# Low-Carbon Cold-Drawn Square Steel Square Bars: Unmatched Processability & Cost Efficiency for Modern Manufacturing
In the realm of metal processing and component manufacturing, the selection of raw materials directly determines the quality, efficiency, and cost of the final products. Among the wide range of steel products, 10# low-carbon cold-drawn square steel square bars stand out as a high-performance and cost-effective solution, especially tailored for industries that demand easy processing, minimal material waste, and consistent mechanical properties. Characterized by its soft state, precise dimensional accuracy, and low cutting loss, this square steel bar has become a staple material for sectors spanning machinery manufacturing, automotive parts production, hardware fabrication, and precision instrument assembly.
First and foremost, the core advantage of 10# low-carbon cold-drawn square steel bars lies in their low-carbon composition and soft state, which are engineered to maximize processability. The 10# steel grade is a classic low-carbon steel, with a carbon content ranging from 0.07% to 0.14%. This low carbon level ensures that the steel retains a soft, ductile microstructure, avoiding the brittleness that often plagues high-carbon steel grades during cutting, drilling, bending, and stamping operations. Unlike hot-rolled steel bars that typically have a rough surface and inconsistent hardness, 10# low-carbon square steel undergoes a cold-drawn forming process—a precision manufacturing technique that involves pulling the steel billet through a die at room temperature without the need for high-temperature heating. This cold-working process refines the grain structure of the steel, eliminates internal defects such as porosity and segregation, and ensures a uniform hardness distribution across the entire cross-section of the square bar. The result is a material that can be easily machined with standard tools, reducing tool wear and extending the service life of processing equipment. Whether it is turning, milling, planing, or grinding, 10# cold-drawn square steel bars respond smoothly to various machining operations, allowing manufacturers to achieve complex shapes and tight tolerances without compromising structural integrity.
Another key benefit that sets 10# low-carbon cold-drawn square steel bars apart is their minimal cutting loss, a critical factor for cost control in mass production. In traditional metal processing, material waste generated during cutting, trimming, and shaping often accounts for a significant portion of the production cost, especially for high-precision components that require strict dimensional accuracy. 10# cold-drawn square steel bars address this pain point through two key features: precise dimensional control and a dense, uniform texture. The cold-drawing process ensures that the square bars maintain a high dimensional accuracy with tolerances as tight as ±0.05mm for side length and straightness, far exceeding the tolerance range of hot-rolled steel bars. This means that manufacturers can minimize the amount of material that needs to be trimmed or removed during machining, directly reducing cutting loss. Additionally, the cold-drawn steel has a smooth, clean surface with no oxide scale or surface defects, eliminating the need for pre-processing steps such as descaling or grinding before cutting. The dense microstructure of the cold-drawn steel also prevents the formation of burrs and chips during cutting, further reducing material waste and simplifying post-processing cleanup. For manufacturers, this translates to lower raw material consumption, higher material utilization rates, and ultimately, reduced production costs.
Beyond processability and low cutting loss, 10# low-carbon cold-drawn square steel bars also offer excellent mechanical properties and versatility to meet diverse application needs. While the soft state prioritizes processability, the cold-drawing process enhances the steel’s tensile strength and yield strength compared to hot-rolled counterparts of the same grade. The tensile strength of 10# cold-drawn square steel ranges from 335MPa to 490MPa, with a yield strength of no less than 205MPa, providing sufficient structural rigidity for load-bearing components in light-duty machinery and equipment. Moreover, the steel exhibits good weldability, allowing it to be easily joined with other steel components through common welding methods such as arc welding, resistance welding, and gas welding without preheating or post-weld heat treatment. This versatility makes 10# low-carbon cold-drawn square steel bars suitable for a wide array of applications: in the machinery industry, they are used to manufacture shafts, gears, brackets, and fasteners; in the automotive sector, they serve as raw materials for chassis parts, door hinges, and seat frames; in hardware manufacturing, they are processed into bolts, nuts, and precision tools; and in the construction industry, they are utilized for lightweight structural supports and decorative components.
In terms of quality and reliability, 10# low-carbon cold-drawn square steel bars adhere to strict industry standards to ensure consistent performance across every batch. Produced in compliance with GB/T 3078-2008 (the national standard for cold-drawn steel bars in China) and international equivalents such as ASTM A108, these square bars undergo rigorous quality inspections throughout the production process. From the selection of high-quality steel billets to the final cold-drawing and finishing steps, each batch is tested for dimensional accuracy, surface quality, hardness, and mechanical properties. Non-destructive testing methods such as ultrasonic testing are also employed to detect internal defects, ensuring that only defect-free products reach the market. Additionally, the cold-drawn square bars can be customized with surface treatments such as galvanizing, phosphatizing, or oil coating to enhance corrosion resistance and extend service life in harsh environments.
In conclusion, 10# low-carbon cold-drawn square steel square bars represent a perfect balance of processability, cost efficiency, and performance for modern manufacturing. Their soft state enables easy machining with minimal tool wear, their precise dimensions and uniform texture reduce cutting loss and material waste, and their reliable mechanical properties support a wide range of industrial applications. As manufacturers continue to pursue higher efficiency, lower costs, and better product quality, 10# low-carbon cold-drawn square steel bars will remain an indispensable material choice, driving innovation and progress in the metal processing industry. Whether for small-scale precision component production or large-volume industrial manufacturing, this steel product delivers consistent value that meets and exceeds the demands of today’s competitive market.
•Cold-drawn square steel
Carbon steel, alloy steel, gear steel, free-cutting steel, spring steel,Q235,10#,20#,45#,Customizable
We can provide samples.
Company Overview
Jiangsu Beitong Cold-Drawn Section Steel Technology Co., Ltd. invested 80 million yuan in Fenhu High-Tech Zone, Wujiang, Suzhou in 2018. Covering 35 mu (about 23,333 square meters), it is a high-tech modern private enterprise. Currently, it has over 100 employees, mainly engaging in R&D and production of precision cold-drawn section steel. Its products are sold at home and abroad, serving over 5,000 customers. It has obtained more than 10 patents, provincial titles of "Technology-Based Enterprise" and "Specialized, Refined, Peculiar and Innovative Enterprise", and passed ISO certification. It also has over 50 production lines and testing equipment, with products widely used.
Main products
• Cold-drawn round steel • Cold-drawn square steel • Cold-drawn flat steel • Cold-drawn hexagonal steel • Cold-drawn special-shaped steel
Why Choose Us
We have the best service, a professional team, first-class equipment, and 22 years of production experience.
Outstanding customization capability:
We can provide high-precision and differentiated cold-drawn section steel customization solutions for needs in multiple fields such as automotive and aerospace, adapting to material needs in special scenarios. Excellent technical qualifications:
We have more than 10 national patents and have obtained the titles of "Specialized, Refined, Differentiated and Novel Small and Medium-sized Enterprise" and "ISO Three-system Certification". Core technologies (such as independent mold design and multi-pass cold drawing) ensure product performance (tensile strength is 15%-20% higher than the industry average). Efficient production and delivery:
With over 50 cold-drawing production lines and an MES system, samples for small-batch customization can be delivered within 21-30 days. The mass production cycle is 20% shorter than the industry average, enabling rapid response to order demands. Reliable market reputation:
We serve over 5,000 customers at home and abroad, with products exported to regions such as the Middle East and Southeast Asia. We supply well-known enterprises like BYD and CATL, and our quality has been verified in diverse scenarios.
High-precision Production Guarantee:
Dual Support from Molds and Processes
Jiangsu Beitong Cold-Drawn Section Steel Technology Co., Ltd. has independently developed a mold design system. Combined with multi-pass progressive cold-drawing processes and real-time laser diameter measurement monitoring, it can ensure that the product dimensional accuracy error is within ±0.02mm and the surface roughness Ra is ≤1.6μm.
Adaptation to Differentiated Needs:
Flexible Process Adjustment
The company can flexibly adjust the annealing temperature and surface treatment processes to accurately meet customers' differentiated needs for product strength, corrosion resistance, etc., highlighting its outstanding advantages in customized production technology.
| Materials | Q235,10#,20#,45#, etc. | |||
| width | customization on demand | |||
| length | customization on demand | |||
| MOQ | 2Tons | |||
The 3rd Advanced Technology Achievement Transformation Conference
Our company made a brilliant appearance, showcasing its technological strength and achievement matrix in the precision cold-drawn section steel field through rich display boards in its exclusive area.
• Custom - made steels and high - end sophisticated products covering the automotive, new energy, aerospace and other industries• Exploring transformation opportunities with partners from all sectors and facilitating industrial development
1.When can you make the samples?
Typically, it takes us 5 to 7 days to make the samples.
2.What is your minimum order quantity (MOQ)?
Cold-drawn steel profiles are usually divided into two types: less-than-truckload (LTL) and wholesale, with a minimum order quantity of 2 tons. The specific quantity is negotiable.
3.What is your delivery time?
For custom-made products with confirmed production schedules, we can arrange shipment within 30 days after receiving the advance deposit.
4.What are your shipping ports?
Shanghai Port.
5.What are your payment terms?
Usually, 30% of the total amount is paid as an advance deposit via Telegraphic Transfer (TT), and the balance is settled against the copy of the Bill of Lading (BL).
6.Where is your company located?
Jiangsu Province.
7.What are your main products?
Cold-drawn round steel, cold-drawn square steel, cold-drawn flat steel, cold-drawn hexagonal steel, cold-drawn special-shaped steel Carbon steel: Q215, Q195, Q235, 20#, 35#, 45#, 55# Alloy steel/gear steel: Q355, 40Cr, 20CrMo, 35CrMo, 42CrMo, 20Cr, 20CrMoTi Free-cutting steel: 1215, 12L14, 1144 Bearing steel: GCr15 Spring steel: 60Si2Mn, 65Mn, etc. （24-Hour Feedback, 48-Hour Solution）
