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Q345b Mild Steel Rectangular Tube

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Q235 / Q235B Q345b Q345c/Q345D 16 Mn Welded Pipe, Galvanized Pipe, Spiral Pipe

Q235 / Q235B Q345b Q345c/Q345D 16 Mn Welded Pipe, Galvanized Pipe, Spiral Pipe

US $ 899-900 / Ton FOB
10 Tons (MOQ)
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Audited Supplier
Shanghai Ali-Mama Steel Trading Co., Ltd.

Shanghai, China Since 2022
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Q345b Cold Drawn Square Steel Hollow Section

Q345b Cold Drawn Square Steel Hollow Section

US $ 500-900 / Ton FOB
3 Tons (MOQ)
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Audited Supplier
Zhangjiagang Jun Xiong Metal Products Co., Ltd.

Jiangsu, China Since 2017
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Mild Carbon Welded Metal Ms ERW Black Iron Hollow Section Rectangular and Square Steel Pipe 200X200 Galvanized Square Tube

Mild Carbon Welded Metal Ms ERW Black Iron Hollow Section Rectangular and Square Steel Pipe 200X200 Galvanized Square Tube

US $ 385-460 / Ton FOB
3 Tons (MOQ)
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Audited Supplier
Shanghai Changzeng Metal Co., Ltd.

Shanghai, China Since 2016
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Reliable En 10219 S355jr Welded Rectangular Pipe Supplier

Reliable En 10219 S355jr Welded Rectangular Pipe Supplier

US $ 480-550 / 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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S335j2 N Mn13 S30c R355 SAE 1015 Hot Rolled Rectangular Mild Steel Chequered Plates Thickness 5mm 10mm

S335j2 N Mn13 S30c R355 SAE 1015 Hot Rolled Rectangular Mild Steel Chequered Plates Thickness 5mm 10mm

US $ 430-460 / Ton FOB
5 Tons (MOQ)
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Audited Supplier
Shandong Xinghuasheng Steel Group Co., Ltd

Shandong, China Since 2023
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Rectangular Hollow Section 30X30mm A36 Mild Steel Profile Ms Rectangular Tube Square and Rectangular Steel Pipe

Rectangular Hollow Section 30X30mm A36 Mild Steel Profile Ms Rectangular Tube Square and Rectangular Steel Pipe

US $ 681-1,015 / Ton FOB
20 Tons (MOQ)
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Wuxi City Ge Ming Sheng Steel Trading Co., Ltd

Jiangsu, China Since 2021
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A106 Sch 40 Rectangular Round Square Tube Ms Lron Mild Carbon Steel ERW Steel Pipe

A106 Sch 40 Rectangular Round Square Tube Ms Lron Mild Carbon Steel ERW Steel Pipe

US $ 430-465 / Ton FOB
1 Ton (MOQ)
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Shandong Xinhe International Trade Co., Ltd

Trading Company

Shandong, China Since 2022
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ASTM A500 Carbon Steel Rectangular Tube 2"× 1"× 0.125"

ASTM A500 Carbon Steel Rectangular Tube 2"× 1"× 0.125"

US $ 480-550 / 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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Mild Steel Square Tube Galvanized Square and Rectangular Steel Pipe

Mild Steel Square Tube Galvanized Square and Rectangular Steel Pipe

US $ 696-1,030 / Ton FOB
20 Tons (MOQ)
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Audited Supplier
Wuxi City Ge Ming Sheng Steel Trading Co., Ltd

Jiangsu, China Since 2021
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En 10219 Carbon Steel Rectangular Tubing for Furniture

En 10219 Carbon Steel Rectangular Tubing for Furniture

US $ 480-550 / 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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Mild Steel Rectangular Square Hollow Section Square Steel Tube Used in Construction

Mild Steel Rectangular Square Hollow Section Square Steel Tube Used in Construction

US $ 666-1,000 / Ton FOB
20 Tons (MOQ)
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Wuxi City Ge Ming Sheng Steel Trading Co., Ltd

Jiangsu, China Since 2021
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China Welded Carbon Rectangular Hollow Section Steel Tubes Thickness 38mm Galvanized Square /Rectangular Steel Pipe

China Welded Carbon Rectangular Hollow Section Steel Tubes Thickness 38mm Galvanized Square /Rectangular Steel Pipe

US $ 600-800 / Ton FOB
1 Ton (MOQ)
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Cangzhou Chengsheng Pipeline Equipment Co., Ltd.

Trading Company

Hebei, China Since 2024
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Q235/Q195/A36 Pre Galvanized/Hot DIP Galvanized Black Mild ERW Welded Square Rectangular Steel Tube for Construction

Q235/Q195/A36 Pre Galvanized/Hot DIP Galvanized Black Mild ERW Welded Square Rectangular Steel Tube for Construction

US $ 550-650 / Ton FOB
10 Tons (MOQ)
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Audited Supplier
LIAOCHENG HUAJIAN STEEL CO., LTD.

Shandong, China Since 2016
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Mild Steel Weld Square / Rectangular Tube / Shs / Rhs Tube ASTM Standard

Mild Steel Weld Square / Rectangular Tube / Shs / Rhs Tube ASTM Standard

US $ 550-760 / Ton FOB
1 Ton (MOQ)
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Audited Supplier
Tianjin Youfa International Trade Co., Ltd.

Manufacturer/Factory & Trading Company

Tianjin, China Since 2011
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ASTM A500 Compliant Q235 ERW Rectangular Steel Tube for Construction

ASTM A500 Compliant Q235 ERW Rectangular Steel Tube for Construction

US $ 480-550 / 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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En 10219 S355jr Rectangular Hollow Section

En 10219 S355jr Rectangular Hollow Section

US $ 480-550 / 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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ASTM A500 Grade B Carbon Steel Welded Rectangular Pipe 50X30X2mm for Construction

ASTM A500 Grade B Carbon Steel Welded Rectangular Pipe 50X30X2mm for Construction

US $ 480-550 / 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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Custom Length 12m 6m Galvanized Rectangular Tube for Construction

Custom Length 12m 6m Galvanized Rectangular Tube for Construction

US $ 400-550 / 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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Square Tube Ms Welded Square Rectangular Carbon Steel Pipe with Paintted

Square Tube Ms Welded Square Rectangular Carbon Steel Pipe with Paintted

US $ 620-650 / Ton FOB
25 Tons (MOQ)
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Audited Supplier
Tianjin Jinnuo Steel Pipe Co., Ltd.

Manufacturer/Factory & Trading Company

Tianjin, China Since 2022
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En 10219 S355jr ASTM A500 Rectangular Hollow Section

En 10219 S355jr ASTM A500 Rectangular Hollow Section

US $ 480-550 / 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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Q195 Low Carbon Steel Hot DIP Galvanized Coating Square Rectangular Tube

Q195 Low Carbon Steel Hot DIP Galvanized Coating Square Rectangular Tube

US $ 440-550 / 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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Thin Wall Lightweight Welded Carbon Mild Steel Rectangular Tubing Hot/Cold Rolled Seamless/Welded Stainless Steel Pipe

Thin Wall Lightweight Welded Carbon Mild Steel Rectangular Tubing Hot/Cold Rolled Seamless/Welded Stainless Steel Pipe

US $ 620-650 / Ton FOB
25 Tons (MOQ)
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Audited Supplier
Hunan Hengan Weiye Metal Products Co., Ltd.

Manufacturer/Factory & Trading Company

Hunan, China Since 2022
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Mild Carbon Welded Metal Black Iron Rectangular and Square Steel Pipe ASTM, DIN, GB, JIS, ASTM A513-2007, DIN En 10208-1

Mild Carbon Welded Metal Black Iron Rectangular and Square Steel Pipe ASTM, DIN, GB, JIS, ASTM A513-2007, DIN En 10208-1

US $ 199-699 / Ton FOB
1 Ton (MOQ)
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Audited Supplier
Hongye Steel (Shandong) Co., Ltd.

Trading Company

Shandong, China Since 2023
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About Q345b Mild Steel Rectangular Tube FAQ

  • QWhat are the advantages of purchasing steel pipes and tubes in wholesale quantities?

    The Q345b Mild Steel Rectangular Tube 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.

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

    The Q345b Mild Steel Rectangular Tube is a top choice 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.

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

    The Q345b Mild Steel Rectangular Tube is included in our comprehensive Steel Pipe & Tube range.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.

ISO 9001 Certified Structural Steel Rectangular Tube for Building Frames

ISO 9001 Certified Structural Steel Rectangular Tube for Building Frames

US $ 480-550 / 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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API 5L Grade C Welded Rectangular Steel Tube for Construction

API 5L Grade C Welded Rectangular Steel Tube for Construction

US $ 480-550 / 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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ASTM A36 Ss400 S235jr Q235B Q345 Q355 Hot-DIP Galvanized Mild Steel Square Pipe Rectangular Tube Ms Gi Hollow Section Steel Tube 2X4 6m 12m Tubing Price

ASTM A36 Ss400 S235jr Q235B Q345 Q355 Hot-DIP Galvanized Mild Steel Square Pipe Rectangular Tube Ms Gi Hollow Section Steel Tube 2X4 6m 12m Tubing Price

US $ 598-675 / Ton FOB
5 Tons (MOQ)
Contact Supplier
Audited Supplier
Shandong Baotai Steel Co., Ltd.

Trading Company

Shandong, China Since 2022
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S235jr/S355jr Welded Steel Rectangular Pipe with ISO 9001 Certified

S235jr/S355jr Welded Steel Rectangular Pipe with ISO 9001 Certified

US $ 480-550 / 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
ASTM A53/A500 API 5L Rectangular Pipe for Doors and Windows

ASTM A53/A500 API 5L Rectangular Pipe for Doors and Windows

US $ 480-550 / 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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CE/PED Welded Rectangular Steel Tube for Building Frames

CE/PED Welded Rectangular Steel Tube for Building Frames

US $ 480-550 / 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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Ss400 Carbon Steel Welded Rectangular Pipe/Tube for Exhibition Guardrails

Ss400 Carbon Steel Welded Rectangular Pipe/Tube for Exhibition Guardrails

US $ 480-550 / 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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Steel Profile Square Tube and Rectangular Steel Pipe

Steel Profile Square Tube and Rectangular Steel Pipe

US $ 1,200-1,350 / Ton FOB
1 Ton (MOQ)
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Audited Supplier
Changzhou Tenjan Steel Tube Co., Ltd.

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2012
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Shs-Square Rhs-Rectangular Chs-Round Steel Pipe Pre-Galvanized Hot Dipped Zinc Coating Steel Round Pipe for Construction

Shs-Square Rhs-Rectangular Chs-Round Steel Pipe Pre-Galvanized Hot Dipped Zinc Coating Steel Round Pipe for Construction

US $ 199-449 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Shandong Zhuosheng Steel Limited

Trading Company

Shandong, China Since 2022
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Hollow Sections Mild Steel Rectangular Galvanized Square Tube

Hollow Sections Mild Steel Rectangular Galvanized Square Tube

US $ 499-599 / Ton FOB
10 Tons (MOQ)
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Audited Supplier
LIAOCHENG HUAJIAN STEEL CO., LTD.

Shandong, China Since 2016
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High-Quality Seamless Carbon Rectangular Steel Pipe for Construction

High-Quality Seamless Carbon Rectangular Steel Pipe for Construction

US $ 450-530 / Ton FOB
1 Ton (MOQ)
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Audited Supplier
Shandong Xinhe International Trade Co., Ltd

Trading Company

Shandong, China Since 2022
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Rectangular Hollow Section Tube

Rectangular Hollow Section Tube

US $ 550-750 / Ton FOB
1 Ton (MOQ)
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Audited Supplier
Tianjin Youfa International Trade Co., Ltd.

Manufacturer/Factory & Trading Company

Tianjin, China Since 2011
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Cold Rolling Rectangular Seamless Hollow Section Profile Pipes

Cold Rolling Rectangular Seamless Hollow Section Profile Pipes

US $ 1,200-1,350 / Ton FOB
1 Ton (MOQ)
Contact Supplier
Audited Supplier
Changzhou Tenjan Steel Tube Co., Ltd.

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2012
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