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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 3, 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.

      Our Products:

      - black carbon welded steel pipe

      - construction welded steel pipe

      - erw red color fire pipe

      - a53 welded steel pipe

      - api spiral steel pipe

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