TianJin XinLianXin Steel Pipe Co.,Ltd
                                                                                                           
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23 Years
Since 2003
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Square and Rectangular Steel Tubes 10x10mm to 500x500mm with 0.6-25mm Wall Thickness - ASTM A500 Certified

Price Negotiable
Price: Negotiable
MOQ: 5ton of each size
Delivery Time: 10~15 days after received your deposit
Brand: Xin Lian Xin Steel
Product Description
Product Overview
High-quality square and rectangular steel tubes available in multiple galvanization types and international standards for construction and industrial applications.
Galvanization Types
  • Pre-galvanized: Manufactured from hot-dipped galvanized steel strip for immediate corrosion resistance
  • Hot-dipped galvanized: Features thicker zinc coating through immersion process for enhanced durability
  • Electro-galvanized: Similar technology to hot-dipped but with thinner zinc coating
  • Painted: Surface treated with rust removal, oil cleaning, and custom color painting
International Standards
GB/T6728:2002, ASTM A500, JIS G3466, EN10210, EN10219
Steel Grades
GB/T6728:2002: Q195, Q235, Q345
ASTM A500: GR. A, GR. B, GR. C, GR. D
JIS G3466: SS440, SS540
EN10210/EN10219: S235JR, S275JR, S355JR, S355J2H
Square Tube Specifications
Size (mm) Wall Thickness (mm) Size (mm) Wall Thickness (mm) Size (mm) Wall Thickness (mm) Size (mm) Wall Thickness (mm)
10×10 0.6-0.8 42×42 1.2-6.0 90×90 2.5-6.0 150×150 4.0-8.0
12×12 0.6-0.8 45×45 1.2-6.0 95×95 2.5-6.0 160×160 4.0-8.0
13×13 0.6-2.0 48×48 1.2-6.0 100×100 2.5-6.0 180×180 4.0-8.0
15×15 0.7-2.0 50×50 1.5-6.0 105×105 2.5-6.0 200×200 5.0-10.0
16×16 0.7-2.0 55×55 1.5-6.0 110×110 3.0-6.0 220×220 8.0-25.0
20×20 1.0-3.0 60×60 1.5-6.0 115×115 3.0-6.0 250×250 8.0-25.0
25×25 1.0-3.0 65×65 2.0-6.0 120×120 3.0-6.0 280×280 8.0-25.0
30×30 1.2-4.0 70×70 2.0-6.0 125×125 3.0-6.0 300×300 8.0-25.0
35×35 1.0-4.0 75×75 2.0-6.0 130×130 3.0-6.0 350×350 8.0-25.0
38×38 1.0-5.0 80×80 2.5-6.0 135×135 4.0-14.0 400×400 8.0-25.0
40×40 1.0-6.0 85×85 2.5-6.0 140×140 4.0-8.0 450×450 8.0-25.0
Rectangular Tube Specifications
Size (mm) Wall Thickness (mm) Size (mm) Wall Thickness (mm) Size (mm) Wall Thickness (mm) Size (mm) Wall Thickness (mm)
20×10 0.7-2.0 70×25 1.2-6.0 100×90 2.0-6.0 130×50 2.0-6.0
20×14 0.7-2.0 70×30 1.2-6.0 110×25 2.0-6.0 130×60 2.0-6.0
20×15 0.7-2.0 70×40 1.2-6.0 110×30 2.0-6.0 130×70 2.0-6.0
26×13 0.7-2.0 70×50 2.0-6.0 110×40 2.0-6.0 130×80 2.0-6.0
30×10 0.7-2.0 70×60 2.0-6.0 110×50 2.0-6.0 130×90 2.0-6.0
Product Images
Square and rectangular steel tubes in various sizes and finishes Galvanized steel tube manufacturing process Steel tube quality inspection and testing Industrial applications of square and rectangular tubes Custom painted steel tube samples Steel tube warehouse storage and inventory
Packaging Details
Steel tube packaging for export and shipping Bundled steel tubes with protective wrapping Custom packaging solutions for industrial tubes Quality control and packaging inspection process

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Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company TianJin XinLianXin Steel Pipe Co.,Ltd
Location NO.8 Juhai Road,Jinghai Development Area,Tianjin,China
Contact Person Louise Qi

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