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Q345b Steel Rectangular Hollow Section

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Q355b/Q345b 16mn Seamless Rectangular Pipe 200*300*16 St52 Galvanized Welded Square Tube

Q355b/Q345b 16mn Seamless Rectangular Pipe 200*300*16 St52 Galvanized Welded Square Tube

US $ 650-800 / Ton FOB
1 Ton (MOQ)
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Liaocheng Xinruyi Trading Co., LTD.

Shandong, China Since 2021
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Square Steel /Q235B /Q345b/C/D/E/Q460/SPA-H/Q450nqr1

Square Steel /Q235B /Q345b/C/D/E/Q460/SPA-H/Q450nqr1

US $ 460-860 / Ton FOB
50 Tons (MOQ)
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Chief Steel (Shanghai) Trading Co., Ltd.

Shanghai, China Since 2019
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Tianjin Thickness 2.0-18mm Q345b Carbon Steel Tube by Bundles

Tianjin Thickness 2.0-18mm Q345b Carbon Steel Tube by Bundles

US $ 530-600 / Ton FOB
10 Tons (MOQ)
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Tianjin Hongxin International Trade Co., Ltd.

Tianjin, China Since 2020
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China Black Q235B Q345b Square Tube with Cheaper Price

China Black Q235B Q345b Square Tube with Cheaper Price

US $ 690-700 / Ton FOB
25 Tons (MOQ)
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TANGSHAN XINGHE TRADE CO., LTD.

Hebei, China Since 2020
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Factory Inventory Hot Sales Q235 Ss400 Q195 Q195L Q235 Q235B Q345b U Section Beam U Channel Steel

Factory Inventory Hot Sales Q235 Ss400 Q195 Q195L Q235 Q235B Q345b U Section Beam U Channel Steel

US $ 510-550 / Ton FOB
25 Tons (MOQ)
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Shandong Hongcheng Steel Co., Ltd.

Trading Company

Shandong, China Since 2024
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Premium Quality Q235B, Q345b Flat Mild Steel

Premium Quality Q235B, Q345b Flat Mild Steel

US $ 300-600 / Ton FOB
25 Tons (MOQ)
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Tangshan Fengkuo Trading Co., Ltd.

Trading Company

Hebei, China Since 2022
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Factory Price Cheap Price ASTM A53 A36 Q345b 1.0425 Seamless Carbon Steel Pipes and Hollow Tubes

Factory Price Cheap Price ASTM A53 A36 Q345b 1.0425 Seamless Carbon Steel Pipes and Hollow Tubes

US $ 630-650 / Ton FOB
1 Ton (MOQ)
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Shandong gangpu metal materials Co., Ltd.

Shandong, China Since 2021
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3t Overhead Crane Beam with Q345b Steel

3t Overhead Crane Beam with Q345b Steel

US $ 356-398 / Piece FOB
1 Piece (MOQ)
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Shanghai Yiying Crane Machinery Co., Ltd.

Shanghai, China Since 2009
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Seamless Steel Pipe 15crmog 299mm Q345b Seamless Pipe Factory - Construction Machinery Carbon Steel Pipes

Seamless Steel Pipe 15crmog 299mm Q345b Seamless Pipe Factory - Construction Machinery Carbon Steel Pipes

US $ 500-570 / Ton FOB
1 Ton (MOQ)
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Jiangsu Rongyi Metal Co., Ltd

Jiangsu, China Since 2025
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Q195 Q235 Q345b St37 St52 St35 Ss400 S235jr S355jr S275jr Grade ERW Black Low Carbon Square Steel Pipe

Q195 Q235 Q345b St37 St52 St35 Ss400 S235jr S355jr S275jr Grade ERW Black Low Carbon Square Steel Pipe

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

Trading Company

Shandong, China Since 2024
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Hollow Section Ms Gi Rectangular/Round Galvanized Carbon Steel Pipe

Hollow Section Ms Gi Rectangular/Round Galvanized Carbon Steel Pipe

US $ 640-680 / Ton FOB
5 Tons (MOQ)
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Shandong Desheng Supply Chain Management Co., Ltd.

Trading Company

Shandong, China Since 2024
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High Precision Q235 Q345 Q345b Sy295 Sy390 Retaining Walls Steel Sheet Pile for Construction

High Precision Q235 Q345 Q345b Sy295 Sy390 Retaining Walls Steel Sheet Pile for Construction

US $ 390-400 / Ton FOB
1 Ton (MOQ)
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Shandong Xingtongda Steel Co., Ltd

Shandong, China Since 2024
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Q235B Q345b Low Carbon Low Alloy Square Steel Pipe Tube

Q235B Q345b Low Carbon Low Alloy Square Steel Pipe Tube

US $ 500-510 / Ton FOB
25 Tons (MOQ)
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Tangshan Fengkuo Trading Co., Ltd.

Trading Company

Hebei, China Since 2022
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Seamless Square Tube Q345b Small Caliber Square Rectangular Tube Seamless Right Angle Square Tube Can Be Customized 40 * 40mm-400 * 400mm Seamless Square Tubes

Seamless Square Tube Q345b Small Caliber Square Rectangular Tube Seamless Right Angle Square Tube Can Be Customized 40 * 40mm-400 * 400mm Seamless Square Tubes

US $ 440-450 / Ton FOB
1 Ton (MOQ)
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Shandong Jiaguang International Trade Co., Ltd.

Shandong, China Since 2025
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Seamless Q235B Q345b Steel Square Tube with Lower Price

Seamless Q235B Q345b Steel Square Tube with Lower Price

US $ 690-700 / Ton FOB
25 Tons (MOQ)
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TANGSHAN XINGHE TRADE CO., LTD.

Hebei, China Since 2020
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API 5L Grade X52 Welded Steel Pipe

API 5L Grade X52 Welded Steel Pipe

US $ 575-580 / Ton FOB
10 Tons (MOQ)
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Qingdao Wanrunda Imp and Exp Co., Ltd.

Shandong, China Since 2015
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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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Shanghai Ali-Mama Steel Trading Co., Ltd.

Shanghai, China Since 2022
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SAE1518 (Q345B) Precision Seamless Steel Pipe Usded as Nitrogen Drilling Pipe

SAE1518 (Q345B) Precision Seamless Steel Pipe Usded as Nitrogen Drilling Pipe

US $ 500-700 / Ton FOB
5 Tons (MOQ)
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TIANJIN SHENGTENG INTERNATIONAL TRADING CO., LTD.

Tianjin, China Since 2018
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Seamless Steel Pipe, Precision Tube, Q345b, Small Diameter, Carbon Steel, Thick-Walled and Thin-Walled Iron Pipe, Hollow Round Tube

Seamless Steel Pipe, Precision Tube, Q345b, Small Diameter, Carbon Steel, Thick-Walled and Thin-Walled Iron Pipe, Hollow Round Tube

US $ 500-570 / Ton FOB
1 Ton (MOQ)
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Jiangsu Rongyi Metal Co., Ltd

Jiangsu, China Since 2025
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Q345b Small-Diameter Thick-Walled Cold-Rolled Seamless Pipe - Carbon Steel Expanded Heat-Sealed Seamless Pipe

Q345b Small-Diameter Thick-Walled Cold-Rolled Seamless Pipe - Carbon Steel Expanded Heat-Sealed Seamless Pipe

US $ 500-570 / Ton FOB
1 Ton (MOQ)
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Jiangsu Rongyi Metal Co., Ltd

Jiangsu, China Since 2025
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20g Seamless Carbon Small-Sized Steel 42CrMo Q345b Alloy Small Iron Steel Pipe

20g Seamless Carbon Small-Sized Steel 42CrMo Q345b Alloy Small Iron Steel Pipe

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

Shanghai, China Since 2022
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1.3-20mm Thick Q195 Q235 Q345 Ss400 Q235B Q345b Grade Black Low Mild Carbon Square Steel Pipe for Structure

1.3-20mm Thick Q195 Q235 Q345 Ss400 Q235B Q345b Grade Black Low Mild Carbon Square Steel Pipe for Structure

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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Seamless Carbon Steel Pipe St37 Ctpg370 16mn Q345b

Seamless Carbon Steel Pipe St37 Ctpg370 16mn Q345b

US $ 450-800 / Ton FOB
1 Ton (MOQ)
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Audited Supplier
WUXI BAOWANG STEEL CO., LTD.

Jiangsu, China Since 2015
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About Q345b Steel Rectangular Hollow Section FAQ

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

    Our Q345b Steel Rectangular Hollow Section offers exceptional quality within the Steel Pipe & Tube category.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.

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

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

Steel Galvanized Square Tubes/Seamless/Coated/Rectangular Steel Pipes/Colded Rolled/Hot Rolled/Stainless/Alloy/A36/Hollow Section 60X60mm Q345 Q235

Steel Galvanized Square Tubes/Seamless/Coated/Rectangular Steel Pipes/Colded Rolled/Hot Rolled/Stainless/Alloy/A36/Hollow Section 60X60mm Q345 Q235

US $ 199-499 / Ton FOB
1 Ton (MOQ)
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Hongye Steel (Shandong) Co., Ltd.

Trading Company

Shandong, China Since 2023
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Construction Structural Galvanize Square Hollow Section Mild Steel Gi Square Pipe Tube Price List

Construction Structural Galvanize Square Hollow Section Mild Steel Gi Square Pipe Tube Price List

US $ 550-660 / Ton FOB
15 Tons (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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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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Shanghai Changzeng Metal Co., Ltd.

Shanghai, China Since 2016
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Factory Price Custom Mild Steel Square Tube Hollow Section Steel Tube Carbon Steel Square Pipe for Construction

Factory Price Custom Mild Steel Square Tube Hollow Section Steel Tube Carbon Steel Square Pipe for Construction

US $ 558-760 / Ton FOB
1 Ton (MOQ)
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Audited Supplier
Wuxi Jinsuyuan Metal Products Co., Ltd.

Trading Company

Jiangsu, China Since 2024
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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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GuangDong Lecong Steel World Electronic Commerce Co., Ltd.

Trading Company

Guangdong, China Since 2025
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Hot Sale Low Carbon Steel Hot DIP Galvanized Seamless Pipes ERW Mild Hollow Section Black and Galvanized Square Tube

Hot Sale Low Carbon Steel Hot DIP Galvanized Seamless Pipes ERW Mild Hollow Section Black and Galvanized Square Tube

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

Shandong, China Since 2016
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Section 40X40 mm 60X60 Straight Seam Carbon Welded Hot Rolled Square Steel Pipe Q355b Hollow Section Tube Rectangular Steel Tube

Section 40X40 mm 60X60 Straight Seam Carbon Welded Hot Rolled Square Steel Pipe Q355b Hollow Section Tube Rectangular Steel Tube

US $ 500-650 / Ton FOB
1 Ton (MOQ)
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Wuxi Jinbao Special Steel Co., Ltd.

Jiangsu, China Since 2023
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Q235B S235jr Square Steel Pipe Ss400 Carbon Steel Square Hollow Sections

Q235B S235jr Square Steel Pipe Ss400 Carbon Steel Square Hollow Sections

US $ 420-455 / 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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Welded Pre Galvanized Rectangle/Square Carbon Steel Pipe and Tubes/Hollow Section Shs Chs Rhs

Welded Pre Galvanized Rectangle/Square Carbon Steel Pipe and Tubes/Hollow Section Shs Chs Rhs

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

Manufacturer/Factory & Trading Company

Tianjin, China Since 2022
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Ms ERW Black Square Hollow Section Steel Pipe/Tubes (RHS/SHS) Hot/Cold Rolled Seamless/Welded Stainless Steel Pipe

Ms ERW Black Square Hollow Section Steel Pipe/Tubes (RHS/SHS) Hot/Cold Rolled Seamless/Welded Stainless Steel Pipe

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

Manufacturer/Factory & Trading Company

Hunan, China Since 2022
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Iron and Steel Hollow Section Mild Square Tube 50X50mm Square Steel Pipe Carbon Steel Square Rectange Tube

Iron and Steel Hollow Section Mild Square Tube 50X50mm Square Steel Pipe Carbon Steel Square Rectange Tube

US $ 688-1,022 / 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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Round Section Shape and Hot Rolled Technique Galvanized Steel Pipe/Carbon Steel Structural Black or Galvanized Ms

Round Section Shape and Hot Rolled Technique Galvanized Steel Pipe/Carbon Steel Structural Black or Galvanized Ms

US $ 600-800 / Ton FOB
1 Ton (MOQ)
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TIANJIN SHENGTENG INTERNATIONAL TRADING CO., LTD.

Tianjin, China Since 2018
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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)
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Audited Supplier
Changzhou Tenjan Steel Tube Co., Ltd.

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2012
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