Tianjin Kaida Import&Export Co.,Ltd is one of the leading manufacturers and suppliers of erw black steel pipe in China, featured by quality products and low price. Please rest assured to buy cheap erw black steel pipe from our factory. Contact us for discount information.
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Product Name |
Black Welded Steel Pipe |
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Out Diameter |
Round 0.3mm~650mm |
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Thickness |
0.4mm~30mm |
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Length |
5.8m, 6m, 12m or as per customer's requirement |
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Pipe Ends |
Plain, threaded, beveled. |
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Surface |
Bare, oil, painting etc. |
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Packing |
Bundle, or with all kinds of colors PVC or as your requirements |
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Standard |
ASTM A53, API 5L, BS1387, EN10210, GB/T9711, GB/T3091, DIN 2458 |
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Grade |
Grade A, B, X42-X70, S235JR, S355JR, ST37, ST52 |
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Application |
Water, Gas, Stream or other liquid delivery, Construction, Warm house, Mechanical tubing. |
What are Black Welded Steel Pipe and Tubes
Black Welded Steel Pipe and tubes are a common type of steel product used for conveying liquids, gases, or solids in a variety of applications. These products are made by continuously forming a strip of steel into a cylindrical shape and welding the edges using electrical resistance. Black Welded Steel Pipe and tube products are known for their high strength, durability, and cost-effectiveness, making them a preferred choice in the construction, automobiles, fire-fighting, irrigation, plumbing, furniture, fencing, Scaffolding, and industrial sectors.
Before you start searching for the right steel Black Welded Steel Pipe and tube product suppliers, it's essential to assess your project's specific requirements. To choose the right steel ERW (Electric Resistance Welded) pipe and tube products, consider the following factors:
Application: Determine the specific application for which you need the Black Welded Steel Pipe or tube. Different applications may require different types of steel with varying properties such as strength, corrosion resistance, and heat resistance.
Material Type: Select the appropriate steel material based on the requirements of your application. Common steel types used for Black Welded Steel Pipe and tubes include carbon steel, stainless steel, and alloy steel. Consider factors such as strength, ductility, and corrosion resistance when choosing the material type.
Size and Dimensions: Determine the required size, diameter, and thickness of theBlack Welded Steel Pipe or tube based on your project specifications. Ensure that the chosen product meets the dimensional requirements and tolerance standards necessary for your application.
Standards and Specifications: Verify that the Black Welded Steel Pipe or tube complies with industry standards and specifications to ensure its quality and suitability for your intended use. Standards such as ASTM, API, and DIN provide guidelines for manufacturing, testing, and performance requirements.
Surface Finish: Consider the desired surface finish of the Black Welded Steel Pipe or tube. Options may include mill finish, galvanized, painted, or coated surfaces. The choice depends on factors like aesthetics, corrosion resistance, and environmental conditions.

Quality Inspection

Packaging & Container Loading


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