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Good price black rectangular tube Erw black pipe for sale

1.Standard: ASTM A53, BS1387, ISO65, EN10219, JIS, Q195, Q235

2.Size: From 10*10mm to 400*400mm

3.Thickness: 0.2-20mm

4.Tolerance: +/-2%

5.Place of origin: Tianjin, China

6.Delivery Time: 7-10 days in stock,about 30 days for customized

    Specification

    Product name

    Black square Pipe

    Standard

    ASTM A53, BS1387, ISO65, EN10219, JIS, Q195, Q135

    Length

    Standard 5.8m and 6m or as customer requirement

    Size

    From 1/2'' to 20''mm

    Thickness

    0.3-20mm

    Technical

    Hot rolled,cold rolled

    Tolerence

    +/-2%

    Product Advantage

    1. Uniformity
    It provides regularity in size, shape, and tolerances, making it a popular choice for original equipment manufacturer (OEM) applications.

    2. Low cost
    Compared to other types of mechanical pipes, square pipes require less process. Therefore, it can reduce the cost of low budget items.

    3. Create Metal Structure
    You can easily bend, punch or drill a square tubing to bind it to itself or any other material. These characteristics of square pipes make it very easy to build metal structures.

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    APPLICATION

    Black steel pipes are commonly used for gas lines, water supply, and fire sprinklers. Proper inspection ensures safety and longevity.

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    Packing &Shipping

    Black square pipes (carbon steel or galvanized) are typically packaged for export/transport in the following ways:

    A. Bundle Packaging (Most Common)

    • Pipes stacked tightly in rectangular bundles.

    • Secured with steel straps (2–4 straps per bundle).

    • End protectors (plastic or metal caps) to prevent damage.

    • Waterproof wrapping (if needed for bulk shipment)).

    B. Bulk Loose Loading (For Large Quantities)

    • Directly loaded into containers or ships (no bundling).

    • Risk of surface scratches but cost-effective.

    Package
    1

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