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API Square Steel Tubes

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Scaffolding Gi Steel Tube 48.3mm for Construction Galvanized Steel Pipe

Scaffolding Gi Steel Tube 48.3mm for Construction Galvanized Steel Pipe

US $ 550-650 / Ton FOB
25 Tons (MOQ)
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Audited Supplier
Shandong Chicago Material Co., Ltd

Shandong, China Since 2023
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75X75 Tube Ms Steel Square Pipe Section Square Steel Pipe Tube for Construction Hollow Section, Square Steel Pipe and Tube Shs Rhs

75X75 Tube Ms Steel Square Pipe Section Square Steel Pipe Tube for Construction Hollow Section, Square Steel Pipe and Tube Shs Rhs

US $ 480-500 / Ton FOB
5 Tons (MOQ)
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Audited Supplier
Shandong Hongyan Metal Material Co., Ltd.

Trading Company

Shandong, China Since 2021
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GB 5310 Thick Wall Carbon Steel Seamless Tube for Bridge Components

GB 5310 Thick Wall Carbon Steel Seamless Tube for Bridge Components

US $ 500-700 / Ton FOB
1 Ton (MOQ)
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Audited Supplier
GuangDong Lecong Steel World Electronic Commerce Co., Ltd.

Trading Company

Guangdong, China Since 2025
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Hot Sale Worldwide A53 Square Tube Hot Selling ASTM API

Hot Sale Worldwide A53 Square Tube Hot Selling ASTM API

US $ 580-660 / tons FOB
25 tons (MOQ)
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Audited Supplier
Lingchuang Iron and Steel Group Co., Ltd

Trading Company

Shandong, China Since 2023
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16mn Carbon Steel Seamless Square Tube Q355D Q235B 300*50*12 Steel Structure Building Can Be Customized to Special Specifications

16mn Carbon Steel Seamless Square Tube Q355D Q235B 300*50*12 Steel Structure Building Can Be Customized to Special Specifications

US $ 550-575 / Ton FOB
1 Ton (MOQ)
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Audited Supplier
Shandong Xingtongda Steel Co., Ltd

Shandong, China Since 2024
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Factory Supply ASTM A53 Gr a Square and Rectangular Steel Tube

Factory Supply ASTM A53 Gr a Square and Rectangular Steel Tube

US $ 650-800 / Ton FOB
1 Ton (MOQ)
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Audited Supplier
Cangzhou Datang Steel Pipe Co., Ltd.

Hebei, China Since 2018
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Steel Tubes Galvanized Steel Tube/Seamless Square Tube

Steel Tubes Galvanized Steel Tube/Seamless Square Tube

US $ 750-1,000 / Ton FOB
10 Tons (MOQ)
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Audited Supplier
TIANJIN WINTONG METAL PROCESSING CO., LTD.

Tianjin, China Since 2023
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ASTM SA179 SA192 Cold Rolled DIN Galvanized Carbon Steel Seamless Pipe Tube for Scaffolding

ASTM SA179 SA192 Cold Rolled DIN Galvanized Carbon Steel Seamless Pipe Tube for Scaffolding

US $ 550-650 / Ton FOB
25 Tons (MOQ)
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Audited Supplier
Shandong Chicago Material Co., Ltd

Shandong, China Since 2023
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Q195 Q235 Q355 Scrap Carbon Steel Pipe Black Carbon Fiber Square Pipes ERW Steel Hollow Section Tube

Q195 Q235 Q355 Scrap Carbon Steel Pipe Black Carbon Fiber Square Pipes ERW Steel Hollow Section Tube

US $ 499-560 / Ton FOB
25 Tons (MOQ)
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Audited Supplier
Shandong Hongyan Metal Material Co., Ltd.

Trading Company

Shandong, China Since 2021
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SGS Tested Galvanized Square Steel Tube for Machinery Parts

SGS Tested Galvanized Square Steel Tube for Machinery Parts

US $ 500-700 / Ton FOB
1 Ton (MOQ)
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Audited Supplier
GuangDong Lecong Steel World Electronic Commerce Co., Ltd.

Trading Company

Guangdong, China Since 2025
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100X100 Hollow Section Carbon Steel Tube Steel Square HSS Shs Rhs

100X100 Hollow Section Carbon Steel Tube Steel Square HSS Shs Rhs

US $ 560 / tons FOB
10 tons (MOQ)
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Audited Supplier
Lingchuang Iron and Steel Group Co., Ltd

Trading Company

Shandong, China Since 2023
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High-Quality P91 Carbon Steel Spiral Tube for Fluids

High-Quality P91 Carbon Steel Spiral Tube for Fluids

US $ 430-550 / Ton FOB
50 Tons (MOQ)
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SHANDONG HAOHAN STEEL INDUSTRY CO., LTD.

Trading Company

Shandong, China Since 2024
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Ms Welded Q195 Q235 Q345 Z180 Galvanized Rectangular Tube Galvanized Hollow Section Square Steel Pipes Gi Shs Steel Tube for Building Material

Ms Welded Q195 Q235 Q345 Z180 Galvanized Rectangular Tube Galvanized Hollow Section Square Steel Pipes Gi Shs Steel Tube for Building Material

US $ 605-665 / Ton FOB
5 Tons (MOQ)
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Audited Supplier
Shandong Baotai Steel Co., Ltd.

Trading Company

Shandong, China Since 2022
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Building Material Top Grade Steel Square Tube Supplier

Building Material Top Grade Steel Square Tube Supplier

US $ 430-520 / Ton FOB
3 Tons (MOQ)
Contact Supplier
Audited Supplier
Shanghai Changzeng Metal Co., Ltd.

Shanghai, China Since 2016
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Carbon Steel Seamless Square Tube Q345b Square Tube Fully Customizable Specifications Bridge Components

Carbon Steel Seamless Square Tube Q345b Square Tube Fully Customizable Specifications Bridge Components

US $ 590-610 / Ton FOB
1 Ton (MOQ)
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Audited Supplier
Shandong Xingtongda Steel Co., Ltd

Shandong, China Since 2024
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Professional Custom Different Colors Plastic Square/Rectangular Tube Threaded Inserts and Chair Legs Plug

Professional Custom Different Colors Plastic Square/Rectangular Tube Threaded Inserts and Chair Legs Plug

US $ 0.09-0.12 / Piece FOB
1,000 Pieces (MOQ)
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Audited Supplier
Qingdao Inworth Tech Co., Ltd.

Manufacturer/Factory

Shandong, China Since 2024
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ASME SA106/SA192/SA209/SA210 T23/234/ T/P2/12/22 Carbon Steel High Pressure Boiler Tube

ASME SA106/SA192/SA209/SA210 T23/234/ T/P2/12/22 Carbon Steel High Pressure Boiler Tube

US $ 20-180 / Ton FOB
1 Ton (MOQ)
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Audited Supplier
EZ Steel Industrial Co., Ltd.

Hunan, China Since 2019
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Durable Square Steel Pipe Tube for Industrial Use

Durable Square Steel Pipe Tube for Industrial Use

US $ 550-750 / Ton FOB
3 Tons (MOQ)
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Audited Supplier
Shanghai South Geely Industrial Co., Ltd.

Shanghai, China Since 2022
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ASTM A106 A53 API 5L X42-X80 Oil and Gas Seamless Alloy Round Precision Carbon Steel Seamless Steel Pipe and Tube for Building

ASTM A106 A53 API 5L X42-X80 Oil and Gas Seamless Alloy Round Precision Carbon Steel Seamless Steel Pipe and Tube for Building

US $ 520-850 / Ton FOB
1 Ton (MOQ)
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Audited Supplier
Wuxi Jinbao Special Steel Co., Ltd.

Jiangsu, China Since 2023
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China Supplier Square Hollow Steel Tube

China Supplier Square Hollow Steel Tube

US $ 900-1,100 / Ton FOB
10 Tons (MOQ)
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Audited Supplier
TIANJIN WINTONG METAL PROCESSING CO., LTD.

Tianjin, China Since 2023
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ASTM A53 Hot Dipped Galvanized Steel Pipe / Gi Pipe Pre Galvanized Steel Pipe Galvanized Tube for Construction

ASTM A53 Hot Dipped Galvanized Steel Pipe / Gi Pipe Pre Galvanized Steel Pipe Galvanized Tube for Construction

US $ 550-650 / Ton FOB
25 Tons (MOQ)
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Audited Supplier
Shandong Chicago Material Co., Ltd

Shandong, China Since 2023
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12m Length ASTM A106 Grb Sch40 API 5L Gr. B Black Painted Carbon Steel Seamless Tube

12m Length ASTM A106 Grb Sch40 API 5L Gr. B Black Painted Carbon Steel Seamless Tube

US $ 440-510 / Ton FOB
1 Ton (MOQ)
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Audited Supplier
Shandong Xinghuasheng Steel Group Co., Ltd

Shandong, China Since 2023
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40X40 China Square Tube Hot Dipped Galvanized Steel Pipe / Iron Round Pipe for Sale Z160 Z275 Gi Tube

40X40 China Square Tube Hot Dipped Galvanized Steel Pipe / Iron Round Pipe for Sale Z160 Z275 Gi Tube

US $ 800-860 / Ton FOB
1 Ton (MOQ)
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Audited Supplier
Shandong Baowu Steel Group Co., Ltd.

Trading Company

Shandong, China Since 2022
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About API Square Steel Tubes FAQ
  • QWhat are the advantages of purchasing steel pipes and tubes in wholesale quantities?

    The API Square Steel Tubes is a premium choice in the Steel Pipe & Tube category.Bulk purchasing of steel pipes and tubes offers cost savings, availability in large quantities, and consistent product quality. Wholesale orders often come with discounts and customization options, allowing you to procure high-quality materials from trusted suppliers at competitive prices.

  • QWhat are the common types of steel used in manufacturing steel pipes and tubes?

    The API Square Steel Tubes is a standout piece in our Steel Pipe & Tube collection.Steel pipes and tubes are often made using carbon steel, stainless steel, and alloy steel. Each type offers unique properties, such as strength, corrosion resistance, and heat resistance. It is essential to consult with a reputable supplier for guidance on the best material for your specific applications.

  • QHow can I find trustworthy suppliers of steel pipes and tubes in China?

    The API Square Steel Tubes is a standout piece in our Steel Pipe & Tube collection.When looking for reliable suppliers in China, consider using platform tools, attending industry exhibitions, and consulting business directories. Verify the supplier's qualifications, request samples, and conduct thorough due diligence to ensure product quality and delivery reliability.

Seamless Welded Stainless Carbon Nickel Copper Titanium Alloy Steel Round Square Rectangular Tube

Seamless Welded Stainless Carbon Nickel Copper Titanium Alloy Steel Round Square Rectangular Tube

US $ 1,000-2,000 / Ton FOB
1 Ton (MOQ)
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Audited Supplier
Jiangsu HYT International Trading Co., Ltd.

Trading Company

Jiangsu, China Since 2020
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High Quality A106 A53 Sch40 Q235A Q235B Q345 8mm 10mm API EMT Mild Fluid Water Gas Round Hot Rolled Carbon Steel Pipe Tube

High Quality A106 A53 Sch40 Q235A Q235B Q345 8mm 10mm API EMT Mild Fluid Water Gas Round Hot Rolled Carbon Steel Pipe Tube

US $ 488-526 / Ton FOB
1 Ton (MOQ)
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Audited Supplier
Shandong Hongcheng Steel Co., Ltd.

Trading Company

Shandong, China Since 2024
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Gi Coating Carbon Steel Tube 1mm to 5mm Thickness for Constructure

Gi Coating Carbon Steel Tube 1mm to 5mm Thickness for Constructure

US $ 500-700 / Ton FOB
1 Ton (MOQ)
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Audited Supplier
GuangDong Lecong Steel World Electronic Commerce Co., Ltd.

Trading Company

Guangdong, China Since 2025
Chat Now Send Inquiry
SUS 201 202 304 304L 316 310S 309S 321 409 420 430 904L 316ti Round/Square/Rectangular ERW Spiral Welded Seamless Aluminum/Carbon/Galvanize/Stainless Steel Tube

SUS 201 202 304 304L 316 310S 309S 321 409 420 430 904L 316ti Round/Square/Rectangular ERW Spiral Welded Seamless Aluminum/Carbon/Galvanize/Stainless Steel Tube

US $ 7.6-50 / kg FOB
1 kg (MOQ)
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Audited Supplier
Permanent Steel Manufacturing Co., Ltd.

Hunan, China Since 2022
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Hot Sale Q235 Q345 Rectgular Square Steel Tube 40X60mm

Hot Sale Q235 Q345 Rectgular Square Steel Tube 40X60mm

US $ 500-660 / Ton FOB
1 Ton (MOQ)
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Audited Supplier
Shandong Hanbang Materials Co., Ltd.

Trading Company

Shandong, China Since 2023
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40X40X2.5 Square Tube Weight Q235B Square Metal Tube Hot Rolled Seamless Carbon Steel Tube

40X40X2.5 Square Tube Weight Q235B Square Metal Tube Hot Rolled Seamless Carbon Steel Tube

US $ 480-500 / Ton FOB
5 Tons (MOQ)
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Audited Supplier
Shandong Hongyan Metal Material Co., Ltd.

Trading Company

Shandong, China Since 2021
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Mild Steel Square Tube Steel Rectangle Tube Hot Tolled Steel Rectangle Tube

Mild Steel Square Tube Steel Rectangle Tube Hot Tolled Steel Rectangle Tube

US $ 550-600 / Ton FOB
10 Tons (MOQ)
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Audited Supplier
Tianjin Yuanquan Fengda Pipeline Technology Co., Ltd.

Trading Company

Tianjin, China Since 2024
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Factory Customized Q235, Q235B, S275, S275jr Carbon Steel Seamless/Welded Square Tube

Factory Customized Q235, Q235B, S275, S275jr Carbon Steel Seamless/Welded Square Tube

US $ 500-530 / tons FOB
25 tons (MOQ)
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Audited Supplier
Lingchuang Iron and Steel Group Co., Ltd

Trading Company

Shandong, China Since 2023
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Q390b GB Standard Square 40mm Mild Steel Tube

Q390b GB Standard Square 40mm Mild Steel Tube

US $ 516-588 / Ton FOB
1 Ton (MOQ)
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Audited Supplier
Shandong Xingtongda Steel Co., Ltd

Shandong, China Since 2024
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Factory Price Cold Rolled Gi Tube Q195 Q235 Q345 Hot Dipped Galvanized Steel Pipe 2.5mm Galvanized Steel Tubes

Factory Price Cold Rolled Gi Tube Q195 Q235 Q345 Hot Dipped Galvanized Steel Pipe 2.5mm Galvanized Steel Tubes

US $ 418-988 / Ton FOB
1 Ton (MOQ)
Contact Supplier
Audited Supplier
Liaocheng Hengjiude Mechanical Equipment Co., Ltd.

Manufacturer/Factory & Trading Company

Shandong, China Since 2023
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Pre Galvanized Square Steel Pipe/ Galvanised Fence Tube

Pre Galvanized Square Steel Pipe/ Galvanised Fence Tube

US $ 600-800 / Ton FOB
5 Tons (MOQ)
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Audited Supplier
TIANJIN WINTONG METAL PROCESSING CO., LTD.

Tianjin, China Since 2023
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China Supplier 09g2s Q195 Q235 Square Round Steel Pipe Tube Seamless Carbon Steel Tube

China Supplier 09g2s Q195 Q235 Square Round Steel Pipe Tube Seamless Carbon Steel Tube

US $ 199-550 / Ton FOB
1 Ton (MOQ)
Contact Supplier
Audited Supplier
Hongye Steel (Shandong) Co., Ltd.

Trading Company

Shandong, China Since 2023
Chat Now Send Inquiry
Premium Hollow Square Tube 3X3mm Low Carbon Steel with Galvanized Coating

Premium Hollow Square Tube 3X3mm Low Carbon Steel with Galvanized Coating

US $ 480-510 / Ton FOB
1 Ton (MOQ)
Contact Supplier
Audited Supplier
Shandong Xinhe International Trade Co., Ltd

Trading Company

Shandong, China Since 2022
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