Hebei CBIES Automotive Parts Co., Ltd. is one of the reliable manufacturers and suppliers in China. As a specialized factory, we focus on manufacturing cold drawn steel tubes with consistent quality, competitive pricing, and reliable supply for global markets.
SPECIFICATIONS OF CBIES COLD DRAWN STEEL TUBES
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Our cold-drawn steel tubes are available in a wide range of sizes to meet the dimensional requirements of automotive and industrial applications.
Round tube outer diameter: 10 - 90 mm
Wall thickness range: 0.7 - 7.0 mm
ADVANTAGES OF CBIES COLD DRAWN STEEL TUBES
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Interior surface roughness: Ra ≤0.4 μm
Tolerance: Outer diameter tolerance is ±0.03 mm
Tube straightness: Within 0.5 mm/m
STANDARDS OF CBIES COLD DRAWN STEEL TUBES
CBIES cold-drawn steel tubes comply with major international standards such as EN, GB, ASTM, and DIN. Additional standards can also be accommodated based on specific customer requirements. All production processes operate under the IATF 16949 quality management system for automotive supply chains.
| GB/T 3639 | EN 10305-1 | EN 10305-2 | DIN 2391-1 | DIN 2391-2 |
| ASTM A519 |
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MANUFACTURING EQUIPMENT OF CBIES COLD DRAWN STEEL TUBES
At CBIES, we use state-of-the-art manufacturing equipment to produce high-quality cold-drawn steel tubes with consistent wall thickness, precise dimensions, and reliable performance. Our production lines are designed to meet the strict standards of the automotive and industrial sectors.
EXPLORE OUR TUBE MANUFACTURING EQUIPMENT
LEARN MOREPROCESS FLOW OF CBIES COLD DRAWN STEEL TUBES
APPLICATIONS OF CBIES COLD DRAWN STEEL TUBES
Automotive Shock Absorber, Headrest Tubes, Gas Spring, Gas Cylinder, Costly Furniture, Motorcycle and Electric Vehicle Shock Absorber, and other precision parts. Customers' special requirements will be discussed.
Automotive
Motorcycle
Truck
Bus
Industrial
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