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Black Carbon Welded Steel Pipe - China

price: contact company for price

Black Carbon Welded Steel Pipe ERW Steel Pipe Welded Furniture Pipe

Black carbon welded steel pipe means Electric Resistance Welded Pipes, mainly character is the welding beam is smooth, two end no burr, hardness is very strong, so some special material can be used for machine components.

Brief introduction

Black Carbon Welded Steel Pipe means Electric Resistance Welded Pipes and the raw material is carbon steel, mainly character is the welding beam is smooth, two end no burr, hardness is very strong, so some special material can be use for machine components.

It is used in building engineering, construction material, scaffolding, line pipes, underground transfer assemble structural, chemical liquid transfer, oil and gas transfer etc.

Outside surface can be treated by galvanized, oil, black painting, 3pe or as customer request.

Normal usage validity time will be around 5-10 years.

Product Description

1 - Carbon welded steel pipe

2 - Main application: scaffold pipe, building material, structural, construction

3 - Material: Q195, Q215, Q235, Q345, ST37, ST52, SS400 Place of Origin: China

Brand Name: Jinnuo

Certification: ISO9000

Minimum order: 10MT

Packing Details: Loose, plastic package, black strips, G.

I strips

Supplying Ability: 5000MT-10000MT per Month Specification

Product name Black carbon welded steel pipe

Out diameter 15-508mm

Wall Thickness 0.5-20mm

Length 5.8m, 6m, 12m or as per customers' requirement

Pipe end 1 - Plain end2 - Beleved end3 - Thread with coupling and cap4 - Grooved

Surface 1 - Galvanized2 - Painted (Black or red painting)3 - Oil4 - Bared or as per customers' requirement

Standard ASTM/BS/JIS/DIN/GB

Material Q195, Q235B, Q345B, St37, St52, SS400, S235JR, S275JR.

S355JR etc

Certificate ISO9000

Application Steel Structure, Building Material, Scaffold Steel Pipe, Funiture Pipe etc Production Process

1 - Uncoiling

2 - Edge cutting

3 - Eddge conditiong

4 - Rolling to shape

5 - Spot welding

6 - Forming

7 - Colibrating

8 - End facing

9 - Polishing

10 - Hydro test

11 - X-ray testing

12 - Pickling

13 - Inspection marking and put in storage

Credit Hot sale various high quality API 5L ERW steel pipe, seamless steel pipe, SSAW Steel Pipe from China leading manufacturer.

Our product has API 5L, API 5CT, EN10219, EN10217, etc international quality system certification.


Company Contact:


  • Phone: +862258951995

  • Address: North 604, Block C6, Times City, Nankai District, Tianjin, China, Tianjin , Tianjin , China

  • Email: Email


Published date: September 4, 2019

  • Business Description: Tianjin Credit Import and Export Trading Co., Ltd. was established in 2010, which belongs to CREDIT STEEL INDUSTRIAL CO., LIMITED ; the main products of the company are ERW pipe, galvanized pipe, square & rectangular tube, seamless pipe, SSAW steel pipe, LSAW steel pipe, and a serious of metal products; products are widely used.

    Main uses: fluid transport, oil and nutural gas; industrial and civil construction, agriculture greenhouse etc.

    CREDIT STEEL INDUSTRIAL has 4 factorys, which located in Tianjin city and Heibei province, boasts its more than 500 staffs; professional technicians more than 100 people; owned 12 advanced production lines, full of inspection equipments and supporting energy saving facilities.

    The annual output is more than 600 thousand tons.

    The products have passed the ISO9001,

    API 5L, API 5CT, EN10219, EN10217,etc international quality system certification.

    The products have been exported to Southeast Asia, South America, Middle East, Africa, and other more than 60 countries and region, contracted more than 50 national industrial projects.

    The company has been awarded the honor of “Top 10 of Pipe Materials” since 2009 - we always adhering to the business philosophy of “Creating value for customers and Achieve self-worth for employees”; We are willing to create a better future with friends from all over the world.

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