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ASTM A53 API 5L 10# 20# 45# Q235 Round Square Tube Galvanized Steel Pipe Tube for Construction

ASTM A53 API 5L 10# 20# 45# Q235 Round Square Tube Galvanized Steel Pipe Tube for Construction

US $ 550-600 / Ton FOB
1 Ton (MOQ)
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Jiangsu Hengshuntai Steel Co., Ltd.

Jiangsu, China Since 2021
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High Quality API 5L ASTM A53/A525 Sch40 Gr B Schedule 80 Black Carbon Steel Square Tube ERW Welded Black Round Steel Pipe

High Quality API 5L ASTM A53/A525 Sch40 Gr B Schedule 80 Black Carbon Steel Square Tube ERW Welded Black Round 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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API 5L A106 A53 /Gi/ERW/Black/Oil/Alloy/Square/Round/Precision/Carbon/Stainless/Galvanized/Aluminum /Copper/Spiral/Seamless/Welded/Steel Tube Pipe

API 5L A106 A53 /Gi/ERW/Black/Oil/Alloy/Square/Round/Precision/Carbon/Stainless/Galvanized/Aluminum /Copper/Spiral/Seamless/Welded/Steel Tube Pipe

US $ 495-550 / Ton FOB
1 Ton (MOQ)
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Tianjin Youfa International Trade Co., Ltd.

Manufacturer/Factory & Trading Company

Tianjin, China Since 2011
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Factory Price Sells Square Tube Rectangle Hollow Section Carbon Steel Pipe API 5L All Szie

Factory Price Sells Square Tube Rectangle Hollow Section Carbon Steel Pipe API 5L All Szie

US $ 520-630 / Ton FOB
1 Ton (MOQ)
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WUXI TONGNO SPECIAL STEEL CO.,LTD

Jiangsu, China Since 2023
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Spiral Welded Black Mild Carbon Steel Tube Round Square Rectangle SSAW Sawl API 5L CS ERW Welded Steel Pipe

Spiral Welded Black Mild Carbon Steel Tube Round Square Rectangle SSAW Sawl API 5L CS ERW Welded Steel Pipe

US $ 550-750 / Ton FOB
1 Ton (MOQ)
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Hunan Hengan Weiye Metal Products Co., Ltd.

Manufacturer/Factory & Trading Company

Hunan, China Since 2022
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Factory Price BS 729 Pre-Galvanized Square Steel Pipe 1.5 Inch 2.5 Inch Gi Iron Tube API Oil Structure Pipe

Factory Price BS 729 Pre-Galvanized Square Steel Pipe 1.5 Inch 2.5 Inch Gi Iron Tube API Oil Structure Pipe

US $ 580-650 / Ton FOB
1 Ton (MOQ)
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XINBAOLONG STEEL CO..LIMITED

Trading Company

Shandong, China Since 2024
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Round Square Rectangular Seamless Carbon Steel Pipe Tube ERW SSAW LSAW Welded ASTM A106/API 5L Gr. B Sch40 Sch80

Round Square Rectangular Seamless Carbon Steel Pipe Tube ERW SSAW LSAW Welded ASTM A106/API 5L Gr. B Sch40 Sch80

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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Ms Square Pipe, API 5L Gr. B Seamless Steel Tube

Ms Square Pipe, API 5L Gr. B Seamless Steel Tube

US $ 400-800 / Ton FOB
1 Ton (MOQ)
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WUXI BAOWANG STEEL CO., LTD.

Jiangsu, China Since 2015
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ASTM A53 API 5CT 6m 12m High Quality ERW Square and Rectangular Steel Pipes Tube

ASTM A53 API 5CT 6m 12m High Quality ERW Square and Rectangular Steel Pipes Tube

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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Supplier and Manufacturer Sch 40 API 5L ASTM A53 A106 A179 A192 Gr B A333 Gr 6 Seamless Carbon Mild Steel Square Tube Tubing Pipe

Supplier and Manufacturer Sch 40 API 5L ASTM A53 A106 A179 A192 Gr B A333 Gr 6 Seamless Carbon Mild Steel Square Tube Tubing Pipe

US $ 520-650 / Ton FOB
5 Tons (MOQ)
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Jinan Taigang New Material Co., Ltd

Trading Company

Shandong, China Since 2025
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ASTM A53 A106 API 5L Q235 Seamless/ Welded / Alloy Galvanized Square/Rectangular/Round Carbon Steel Pipe/Stainless Steel Pipe/Tube

ASTM A53 A106 API 5L Q235 Seamless/ Welded / Alloy Galvanized Square/Rectangular/Round Carbon Steel Pipe/Stainless Steel Pipe/Tube

US $ 500-1,000 / Ton FOB
1 Ton (MOQ)
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Shandong gangpu metal materials Co., Ltd.

Shandong, China Since 2021
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13cr Sch80 Pneumatic Sanitary Medical SS304 316 Stainless Ss Galvanized API Gas Oil Pipelines Black Carbon Casing Alloy Seamless Steel Square Round Tube Pipe

13cr Sch80 Pneumatic Sanitary Medical SS304 316 Stainless Ss Galvanized API Gas Oil Pipelines Black Carbon Casing Alloy Seamless Steel Square Round Tube Pipe

US $ 500-1,000 / Ton FOB
1 Ton (MOQ)
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Jiangsu HYT International Trading Co., Ltd.

Trading Company

Jiangsu, China Since 2020
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Structural Steel Tube ASTM A500/A513 Round, Square & Rectangular Tubing for Industrial & Engineering Applicationsseamless Carbon Steel Pipe ASTM A106/API 5L P

Structural Steel Tube ASTM A500/A513 Round, Square & Rectangular Tubing for Industrial & Engineering Applicationsseamless Carbon Steel Pipe ASTM A106/API 5L P

US $ 338.2-807.5 / metric tons FOB
1 metric tons (MOQ)
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Audited Supplier
Union Steel Industry Co., Ltd.

Trading Company

Hunan, China Since 2024
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Q195 Square/Rectangular Welded Carbon Steel Pipe/Tube API 5L ASTM A53 in Stock Suitable for Cold Climates for Building Material

Q195 Square/Rectangular Welded Carbon Steel Pipe/Tube API 5L ASTM A53 in Stock Suitable for Cold Climates for Building Material

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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JIS, ASTM, DIN, BS, API, GB, Corrugated Square Tubing Galvanized Steel Pipe Iron Rectangular Tube

JIS, ASTM, DIN, BS, API, GB, Corrugated Square Tubing Galvanized Steel Pipe Iron Rectangular Tube

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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High Quality Factory Wholesale Galvanized Square Tube Ms Square Tube Carbon Steel Pipe Cold Rolled API Pipe Certified

High Quality Factory Wholesale Galvanized Square Tube Ms Square Tube Carbon Steel Pipe Cold Rolled API Pipe Certified

US $ 500-550 / Ton FOB
5 Tons (MOQ)
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Audited Supplier
Tianjin Kaishuo Weiye Steel Co., Ltd.

Tianjin, China Since 2024
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ASME A53 API 5L ERW Spiral/Weld/Seamless/Galvanized/Stainless/Black/Round/Square Carbon Steel Tube Pipe with Factory Price

ASME A53 API 5L ERW Spiral/Weld/Seamless/Galvanized/Stainless/Black/Round/Square Carbon Steel Tube Pipe with Factory Price

US $ 1,650-2,250 / Ton FOB
1 Ton (MOQ)
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Tianzhu Special Steel Co., Ltd

Jiangsu, China Since 2021
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Schedule 40 Hot DIP Pre Galvanized Steel Tube ASTM A106 A53 API 5L Round Square Seamless Steel Iron Gi Pipe

Schedule 40 Hot DIP Pre Galvanized Steel Tube ASTM A106 A53 API 5L Round Square Seamless Steel Iron Gi Pipe

US $ 390-550 / Ton FOB
5 Tons (MOQ)
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Audited Supplier
Liaocheng Haoshuntong Metal Materials Co., Ltd.

Trading Company

Shandong, China Since 2025
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Factory Directly Sale ASME A53 API 5L ERW Spiral/Weld/Seamless/Galvanized/Stainless/Black/Round/Square Carbon Steel Tube Pipe

Factory Directly Sale ASME A53 API 5L ERW Spiral/Weld/Seamless/Galvanized/Stainless/Black/Round/Square Carbon Steel Tube Pipe

US $ 723-750 / 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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Q235 S235jr S275jr S355jr API Certified Steel Pipe 90 Degree Square/Rectangular Tube ASTM Structure

Q235 S235jr S275jr S355jr API Certified Steel Pipe 90 Degree Square/Rectangular Tube ASTM Structure

US $ 900-950 / Ton FOB
2 Tons (MOQ)
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Audited Supplier
TIANJIN BOER KING STEEL CO., LIMITED

Tianjin, China Since 2017
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ASTM A106 A36 A53 Spiral Welded Black Mild Carbon Steel Tube Round Square Rectangle SSAW Sawl API 5L CS ERW Welded Steel Pipe

ASTM A106 A36 A53 Spiral Welded Black Mild Carbon Steel Tube Round Square Rectangle SSAW Sawl API 5L CS ERW Welded Steel Pipe

US $ 500-600 / Ton FOB
5 Tons (MOQ)
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Audited Supplier
Union Steel Industry Co., Ltd.

Trading Company

Hunan, China Since 2024
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ASTM A106 A36 A53 Spiral Welded Black Mild Carbon Steel Tube Round Square Rectangle SSAW Sawl API 5L CS ERW Welded Steel Pipe

ASTM A106 A36 A53 Spiral Welded Black Mild Carbon Steel Tube Round Square Rectangle SSAW Sawl API 5L CS ERW Welded Steel Pipe

US $ 558-760 / Ton FOB
1 Ton (MOQ)
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Audited Supplier
Liaocheng Jiujiang Machinery Manufacturing Co., Ltd.

Manufacturer/Factory & Trading Company

Shandong, China Since 2025
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12m API Galvanized Square Tube Steel 2 Inch Galvanized Square Hollow Steel Pipe ERW Technique Bending Welding Services

12m API Galvanized Square Tube Steel 2 Inch Galvanized Square Hollow Steel Pipe ERW Technique Bending Welding Services

US $ 350-400 / Ton FOB
5 Tons (MOQ)
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Audited Supplier
Xi'an Dongmeng Steel Co., Ltd

Shaanxi, China Since 2023
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About Api Pipe Square Steel Tube FAQ

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

    The Api Pipe Square Steel Tube is a standout piece in our Steel Pipe & Tube collection.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?

    Discover the perfect addition to your Steel Pipe & Tube with our Api Pipe Square Steel Tube.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?

    Enhance your Steel Pipe & Tube setup with our premium Api Pipe Square Steel Tube.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.

Hot DIP Galvanizing Steel Tube HDG Egl Secc 20g 40g 60z 120z Welded Round Tube API 5CT 1.2mm 508mm Seamless Galvanized Square Pipe Price

Hot DIP Galvanizing Steel Tube HDG Egl Secc 20g 40g 60z 120z Welded Round Tube API 5CT 1.2mm 508mm Seamless Galvanized Square Pipe Price

US $ 450-485 / 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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Q195 Q235 Q345 ASTM A500 A53 A106 A335 P11 API 5L ERW Dark Hollow Square / Rectangular Tube Cold Rolled Black Carbon Steel Pipe

Q195 Q235 Q345 ASTM A500 A53 A106 A335 P11 API 5L ERW Dark Hollow Square / Rectangular Tube Cold Rolled Black Carbon Steel Pipe

US $ 1,400-1,600 / Ton FOB
1 Ton (MOQ)
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Audited Supplier
Shaanxi Chengxin Yongsheng Metal Co., Ltd.

Trading Company

Shaanxi, China Since 2021
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High Standard Direct Selling Q235 Q345 A36 A53b A106b API 5L X42 X46 X50 X60 Industrial Round Square Rectangle Carbon Steel Seamless/Welded Tube Pipe

High Standard Direct Selling Q235 Q345 A36 A53b A106b API 5L X42 X46 X50 X60 Industrial Round Square Rectangle Carbon Steel Seamless/Welded Tube Pipe

US $ 400-550 / Ton FOB
1 Ton (MOQ)
Contact Supplier
Audited Supplier
Shandong Xinghuasheng Steel Group Co., Ltd

Shandong, China Since 2023
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China Factory Large Diameter Spiral Welded Black Mild Carbon Steel Tube Round Square API X42 X46 X52 Galvanized Stainless Steel ERW Welded Steel Pipe

China Factory Large Diameter Spiral Welded Black Mild Carbon Steel Tube Round Square API X42 X46 X52 Galvanized Stainless Steel ERW Welded Steel Pipe

US $ 565-580 / Ton FOB
5 Tons (MOQ)
Contact Supplier
Audited Supplier
Yangtze Steel Group (China) Co., Ltd.

Trading Company

Shandong, China Since 2023
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Hg219 Fully Automatic Large API Pipe Mill Carbon Key Wall Training New Hf Welding Steel Square Tube Making Machine

Hg219 Fully Automatic Large API Pipe Mill Carbon Key Wall Training New Hf Welding Steel Square Tube Making Machine

US $ 33,599-358,000 / Set FOB
1 Set (MOQ)
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Hebei Tengtian Welded Pipe Equipment Manufacturing Co., Ltd.

Manufacturer/Factory

Hebei, China Since 2025
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ASTM A106 Sch 40 API JIS GS Certified Carbon Steel Seamless Pipe 12m Length Fluid Use ANSI ISO9001 Galvanized Square Steel Tube

ASTM A106 Sch 40 API JIS GS Certified Carbon Steel Seamless Pipe 12m Length Fluid Use ANSI ISO9001 Galvanized Square Steel Tube

US $ 480-530 / Ton FOB
5 Tons (MOQ)
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Audited Supplier
Liaocheng Mingxing Pipe Manufacturing Co., Ltd.

Manufacturer/Factory & Trading Company

Shandong, China Since 2024
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6m/12m 304 Stainless Steel Square Tube Rectangular Pipe ERW API Certified for Drill Oil Pipeline Bending Welding Available

6m/12m 304 Stainless Steel Square Tube Rectangular Pipe ERW API Certified for Drill Oil Pipeline Bending Welding Available

US $ 1,200-1,500 / Ton FOB
1 Ton (MOQ)
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Audited Supplier
Jiangsu Xinyuanxing Metal Products Co., Ltd.

Trading Company

Jiangsu, China Since 2024
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Seamless LSAW Pipe Sch 40 80 API 5L ASTM A53/A106 Gr. B LSAW, SSAW Carbon Steel Galvanized Steel Pipe Welded 6m Tube Square Tube

Seamless LSAW Pipe Sch 40 80 API 5L ASTM A53/A106 Gr. B LSAW, SSAW Carbon Steel Galvanized Steel Pipe Welded 6m Tube Square Tube

US $ 555-700 / Ton FOB
1 Ton (MOQ)
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Audited Supplier
Permanent Steel Manufacturing Co., Ltd.

Hunan, China Since 2022
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Hot Sale Asmt Black Hollow Section Carbon Steel Tube CS 40mn2 1340 Square Metal Tube API 5L Hot Rolled Seamless Carbon Steel Pipe

Hot Sale Asmt Black Hollow Section Carbon Steel Tube CS 40mn2 1340 Square Metal Tube API 5L Hot Rolled Seamless Carbon Steel Pipe

US $ 550-850 / Ton FOB
5 Tons (MOQ)
Contact Supplier
Audited Supplier
Tianzhu Special Steel Co., Ltd

Jiangsu, China Since 2021
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Hot Selling A53 A106 API 5L Q235 Mirror Steel Tube Square/ Round Seamless Steel /Carbon Steel Pipes Galvanized Pipes for Building Material

Hot Selling A53 A106 API 5L Q235 Mirror Steel Tube Square/ Round Seamless Steel /Carbon Steel Pipes Galvanized Pipes for Building Material

US $ 650-850 / Ton FOB
25 Tons (MOQ)
Contact Supplier
Audited Supplier
JINAN XINCHENGYUAN IMPORT AND EXPORT CO.,LTD

Shandong, China Since 2021
Chat Now Send Inquiry
Stainless/Seamless/Galvanized/Spiral/Welded/Copper/Oil/Casing/Alloy/Square/Round/Aluminum/Precision/Black/API /Carbon/304/Oval/Cold Drawn//Line/Steel Tube/Pipe

Stainless/Seamless/Galvanized/Spiral/Welded/Copper/Oil/Casing/Alloy/Square/Round/Aluminum/Precision/Black/API /Carbon/304/Oval/Cold Drawn//Line/Steel Tube/Pipe

US $ 680-1,600 / Ton FOB
1 Ton (MOQ)
Contact Supplier
Audited Supplier
Jiangsu Jinmingxin Metal Technology Co., Ltd.

Jiangsu, China Since 2023
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API 5L 304 316 Precision Galvanized Ss Stainless Ms Carbon Honed Seamless ERW Welded Welding Round Square Gas & Oil Pipeline Casing Drill Steel Tube Pipe Price

API 5L 304 316 Precision Galvanized Ss Stainless Ms Carbon Honed Seamless ERW Welded Welding Round Square Gas & Oil Pipeline Casing Drill Steel Tube Pipe Price

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

Trading Company

Jiangsu, China Since 2020
Chat Now Send Inquiry
China Factory Large Diameter Spiral Welded Black Mild Carbon Steel Tube Round Square Rectangle SSAW API 5L Galvanized Stainless Steel ERW Welded Steel Pipe

China Factory Large Diameter Spiral Welded Black Mild Carbon Steel Tube Round Square Rectangle SSAW API 5L Galvanized Stainless Steel ERW Welded Steel Pipe

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

Trading Company

Hebei, China Since 2024
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