steel pipe/ steel tube

Steel Pipe & Tube Manufacturer

Our steel pipes and tubes are supplied with controlled outside diameter, wall thickness, and straightness, suitable for structural, fluid, and mechanical applications. Stable welding quality and dimensional consistency help reduce installation issues and on-site rework. Available in welded and seamless steel pipes and tubes, all products are manufactured in accordance with ASTM / EN / JIS standards. Custom length, coating, and bulk supply options support both project-based and long-term procurement.

With 20+ years of steel export experience and deliveries to 50+ countries, we support construction projects, equipment manufacturers, and distributors with reliable quality and on-time delivery. Get Specification & Quote

Factory Direct Supply  Stable Stock & On-Time Delivery Dimensional & Welding Quality Control
ASTM / EN / JIS Standards Custom Length, Coating & Bulk Orders Supported

About Us

Business Steel (Qingdao) Co. Ltd. is a China-based steel manufacturer and export supplier with over 20 years of experience, operating a 20,000 m² production factory in Qingdao. We manufacture and process steel plates, coils, strips, rods, and pipes in compliance with ASTM, EN, and JIS standards, exporting 100,000 tons annually to 50+ countries across Europe, Southeast Asia, Africa, and the Middle East.

Quality Control & Testing

Fabrication Services

Packaging & Delivery

CONSISTENT QUALITY YOU CAN RELY ON

Quality Control & Testing

Strict quality control is applied throughout the entire process, from raw material inspection to final shipment. Each steel product is tested for chemical composition, mechanical properties, dimensions, and surface quality in accordance with ASTM, EN, and other applicable standards.

Testing methods include tensile test, yield strength, elongation, hardness, impact test, chemical spectrometer analysis, and dimensional inspection.
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Factory Direct Pricing

Factory Direct Pricing

Transparent quotes with no hidden costs, ideal for bulk and long-term supply.
One-stop Customization

One-stop Customization

Custom grades, sizes, and processing to reduce rework and total cost.
Full Project Support

Full Project Support

Technical advice, full documentation, and coordinated delivery from start to finish.

Application Industries

Construction

Buildings, bridges, steel structures
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Machinery

Industrial machinery, frames, components
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Oil & Gas

Pipelines, pressure vessels, processing facilities
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Shipbuilding

Ship structures, offshore platforms
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CONTACT US

If you have any queries, get in touch today! Don't hesitate. We try to take the extra step for our customer satisfaction.
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