Black Pipe

Black carbon steel pipes are mainly made of carbon steel through seamless or welding processes. Their main components include iron, carbon, silicon and other elements, and they have a black surface. The outer diameter ranges from a few millimeters to hundreds of millimeters, and the wall thickness can be adjusted according to requirements. Common lengths are 6 meters, 9 meters, and 12 meters, and customized lengths are also available.

●Key Advantages
High Strength and Good Toughness: They have high tensile and compressive strength, as well as good toughness. They can withstand high pressure and external impacts, making them suitable for applications in construction, oil drilling, etc.
Cost - effective:   With low manufacturing costs, mature production processes and high production efficiency, they can be mass - produced, effectively controlling project costs.
Easy to Process: They are easy to cut, weld and bend, and can be processed into different shapes and sizes as needed, improving construction efficiency.
Wide Range of Applications:  They are widely used in fields such as construction, fluid transportation, machinery manufacturing, and agriculture.

【1】Authoritative Qualifications: Quality Assurance

• Industry certifications:Top 5 in Tianjin capacity, first - batch export license, 18 - year Alibaba gold supplier, serving major domestic & international projects.
• Experimental Testing:  In - house lab for full - process (raw materials to finished products) ，Comply with ISO/ASTM standards to ensure steel pipes meet compression and corrosion resistance requirements.

【2】Own Production Lines: High - quality, Efficient & Cost - effective

• Customization:  Full - chain lines for custom (size/coating/threading) production, quick response, No middleman profit.
• Cost:Mass production & standardized processes cut costs for customers.

【3】Integrated Warehousing & Logistics: Risk - free Delivery

• Warehousing:20,000㎡ modern warehouse ,25 - container daily throughput, one - stop services including warehousing, packaging, document preparation, and shipping.
• Transportation: Our professional fleet of over 10 13 - meter semi - trailers effectively prevents steel pipe damage (collisions, scratches, dents, deformation, rain) during storage and transport.