Product Overview

Crafted from premium low/medium carbon steel, our flat bars combine high tensile strength, excellent machinability, and cost-effectiveness. Available in hot-rolled or cold-rolled finishes, they feature precise rectangular profiles with tight tolerance control (±0.1mm).

   Product Specification

   Product Advantages

High strength and durability

High-quality carbon steel, tensile strength 400-550 MPa, suitable for heavy-duty scenarios.

Precision and easy processing

Cold rolling tolerance ±0.1mm, compatible with cutting, welding, galvanizing, flexible process.

High cost performance

Low raw material cost, support batch customization.

International certification

ISO 9001, EN 10204 quality assurance, full process composition and performance testing.

   Factory Appearance

We specialize in carbon steel flat bar manufacturing and have been in the industry for 13 years, serving global customers with advanced technology, strict quality control and efficient delivery. The factory is equipped with fully automated rolling production lines and precision straightening equipment, supporting non-standard customization with a tolerance accuracy of ±0.1mm.

From raw material selection to finished products, the ISO 9001 quality management system is implemented throughout the process to ensure uniform chemical composition and stable mechanical properties. The product has passed EN 10204 3.1 certification, is compatible with surface treatments such as galvanizing and painting, and is suitable for heavy machinery, building structures and equipment manufacturing.

   Packing And Shipping

It adopts anti-rust coating + steel strapping + wooden pallet reinforcement packaging, which is suitable for sea/air transport shockproof needs. It can be delivered to more than 50 countries in the world within 15-30 days, and supports ISO certification and zero damage commitment.

   Application Areas

It is widely used in building structures (beam-column connections, reinforcements), machinery manufacturing (equipment racks, guide rails), automotive industry (chassis brackets, connectors), energy equipment (transmission towers, pipeline supports) and hardware tools (mold bases, tool blanks). With its high strength, easy processing and low cost, it has become the only choice for industrial basic materials.

   Why Choose Us？

Shandong Zhongji Metal Products Co., Ltd. is a comprehensive steel enterprise integrating steel research and development, production, processing and trade. The company has a diversified product matrix, which is widely used in dozens of industries and exported to more than 50 countries and regions around the world, including Southeast Asia, the Middle East, Europe, Africa, and the Americas, and has established a good reputation in many international projects.