In the modern industrial framework, Black Welding Carbon Steel Pipes represent the backbone of liquid and gas transportation, structural support, and mechanical engineering. These pipes, characterized by their dark-colored iron oxide surface formed during the manufacturing process, are preferred for applications where galvanization is not required, making them a cost-effective and highly durable solution for high-pressure and high-temperature environments.
Currently, the global demand for ERW (Electric Resistance Welded) black steel pipes is surging, driven by the expansion of urbanization in emerging economies and the modernization of infrastructure in developed nations. From the oil and gas fields of the Middle East to the skyscrapers of Southeast Asia, these pipes are indispensable. China, as a global manufacturing hub, has evolved from a volume-based producer to a quality-centric leader, adhering to international standards such as ASTM A53, A106, and API 5L. The "Black Steel" industry is no longer just about raw materials; it is about precision engineering, chemical composition control, and advanced welding technology.
Annual Production Capacity (Tons)
Industry Experience
Dedicated Professionals
Senior Technical Experts
The industry is shifting toward AI-driven quality monitoring. Our factory integrates real-time ultrasonic testing and automated welding controls to ensure every millimeter of the pipe meets rigorous safety standards.
There is a growing demand for "Green Steel." We focus on energy-efficient sintering and steelmaking processes, reducing the carbon footprint of our black carbon steel pipes while maintaining high structural integrity.
Global procurement is shifting toward large-diameter, thick-walled welding pipes for energy corridors and municipal water systems, requiring suppliers with massive stock and fast lead times.
International buyers are increasingly looking for "One-Stop Solutions." It is no longer enough to just supply pipes; procurement teams require integrated logistics, material testing reports (MTRs), and custom fabrication. At Shandong Tezhong Materials, we bridge this gap by offering a comprehensive supply chain that handles everything from raw material coking to final export delivery to regions like Europe, Asia, and the Americas.
Shandong Tezhong Materials Co., Ltd. is a supply chain industry company integrating carbon steel, coated steel, stainless steel and other metal products. The company's registered capital is 100 million yuan. The company covers an area of approximately 15,000 square meters and has total assets of 1.2 billion yuan. The company currently has more than 900 employees, including more than 100 senior managers, senior professional titles, and professional and technical personnel. They have a solid theoretical foundation and rich practical experience, and have complete production processes and related equipment such as coking, sintering, and steelmaking and steel rolling, including associated energy and power systems. At the same time, we have also achieved the completeness and systematization of modern steel industry production technology.
Our company has been engaged in the steel industry for 27 years since 1997. It was the first company to pass ISO9001 quality system certification in the early days. With advanced production management experience, we are able to conduct comprehensive technical monitoring of each batch of steel. Our company has 4 large outlets (Tianjin, Wuxi, Binzhou, Liaocheng). We have inventory all year round and sufficient supply, and our products are exported to the Middle East, Europe, America, Asia and other countries.
We conduct comprehensive technical monitoring of each batch. Our enterprise technology center ranks 2nd among 575 national centers, ensuring elite quality for every carbon steel pipe.
With outlets in Tianjin, Wuxi, and other hubs, we ensure fast transportation and low prices. We serve sectors from aerospace and marine engineering to nuclear power.
We rank first in domestic market share for 21 categories of steel products, including railways and construction steel, proving our reliability and dominance.
Rich experience and deep expertise in the steel industry to provide strategic guidance for the company's technological development.
Including metallurgical, mechanical, and electrical engineers responsible for stability and optimization of the production process.
Focus on the development of new products and improvement of existing products to meet the changing needs of the global market.








Our Black Welding Carbon Steel Pipes are designed for versatility. In Commercial Construction, they serve as the primary conduits for fire sprinkler systems due to their heat resistance and high-tensile strength. In Agricultural Irrigation, black steel pipes offer a cost-effective alternative to expensive alloys, providing decades of service life when properly coated or maintained.
For the Oil and Gas Industry, our pipes are used in downstream refinery operations where the transport of non-corrosive liquids requires a robust, high-pressure-rated vessel. Furthermore, in the Automotive and Machinery sectors, these pipes are fabricated into roll cages, chassis components, and heavy-duty frames, benefiting from the superior weldability of carbon steel.