4 inch galvanized mild steel pipe

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4 inch galvanized mild steel pipe

Payment Terms: TT or LC

Ref Price : 350-450USD/TON

Supply Capability : 50000

Loading Port : TianJin

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    SinoSources Galvanized mild steel pipe

    Galvanized mild steel pipe is madeof rust corrsion measures are not taken welding(welding furnaces, welding pipe, seamless steel pipe or other metal clarinet, a certain process of hot-dip galvanizing, zinc coating to make it fit the outer coating, played long steel does not rust after processing. Galvanized mild steel pipe for molten metal and iron matrix after a certain reaction with a layer of alloy layer, so that presents the effective combination between substrate and coating. Galvanized coating has a number of characteristics that make it a well-suited corrosion protective coating for iron and steel products in most environments. Zinc, which is anodic to iron and steel, will preferentially corrode and protect the iron or steel against rusting when the coating is damaged.

    Galvanized mild steel pipe specifications


    API, ASTM, BS, DIN, GB, JIS, API 5CT, API 5DP, API 5L, ANSI A182-2001, ASTM A213-2001, ASTM A789-2001, BS 1139, BS EN10296, DIN 1626, DIN EN 10305, SEW680, GB 5310-1995, GB/T 3091-2001, JIS C8305-1999


    10#-45#, 10Cr9Mo1VNb, 10MoWVNb, API J55-API P110, Cr-Mo alloy, STBA20-STBA26, 10#, 45#, 10Cr9Mo1VNb, 10MoWVNb, API J55, 10CrMo910, Cr9Mo, STBA20


    0.3 - 19 mm

    Section Shape:


    Outer Diameter:

    16 - 254 mm

    Place of Origin:

    Tianjin, China (Mainland)

    Secondary Or Not:



    Structure Pipe


    Cold Drawn



    Surface Treatment:


    Special Pipe:

    Thick Wall Pipe

    Alloy Or Not:


    Product name:

    High quality!!greenhouse pre-galvanized steel pipe!


    natural color

    Galvanized type:

    Hot dip galvanizing

    Welded or Seamless:

    As your requirements


    Ultrasonic test


    Galvanized steel pipe




    Used For Structure, Accessorize And Construction


    in bundle



    high quality product of 4 inch galvanized mild steel pipe

    Products processing:

    Finished pickling – washing – plating – drying – hanging plating – cooling – medicine – cleaning – grinding – finish.

    In the processing of hot galvanizing, it will formed a film of zinc-steel alloy layer first, above it is pure zinc layer. When the air corroded the zinc layer, it will form a layer of ZnO, Zn(OH)2 and basic zinc carbonate protection film. Which have the effect of anti air corrosion. When this film was destroyed, a new one will form. When the zinc layer destroyed heavily, zinc start up electric chemical protection. Zinc as the first element dissolved. It’s obviously that hot galvanized  steel have better anti corrosive performances than cold galvanizing pipe.

    Production Equipment:

    Advance equipment of 4 inch galvanized mild steel pipe

    Products Feature

    Our Customers prefer our Schedule 40 Galvanized Steel Pipe because of the following reasons:

    • Smooth surfaces: Our galvanized steel pipe distributor ensure that the finished products are produced through a process that continuously ensures for smooth-surface, uniform wall pipe for superior and easy coatability and flow characteristics thereby ensuring the fluids are well transported through the pipes.

    • Stronger, lighter walls:Galvanized Steel pipe higher strength, lighter gauge steel strip is fused by high frequency electric resistance welders into high tensile steel pipe that meets tolerances and strength  of a high quality carbon galvanized steel pipe specifications.

    Packing 1.Big OD:in bulk
    2.Small OD:packed by steel strips
    3.woven cloth with 7 slats
    4.according to the requirements of customers
    Usage Mechanical&manufacture, Steel strcuture,
    Shipbuilding, Bridging, Automobile chassis
    Main market Middle East,Africa, Asia,Australia and some European countries.
    Productivity 3000 Metric Tons per Month
    Remark 1. Payment terms: T/T, L/C
    2. Terms of trade: FOB, CFR, CIF, DDP, EXW
    3. Minimum order: 10 tons
    4. Lead time :on or before 20 days .


    packaging and shipping of 4 inch galvanized mild steel pipe


    Certificate of sino


    1、We have our own factory to produce our products.

    2、We have a number of excellent line service team.

    3、We offer a full range of quality assurance services.


    Q: May I have some samples before bulk order?

    A: Yes, you can. We can arrange the shipment according to your requirements.

    Q: Do you have quality control?

    A: Sure. We have the most advanced testing equipment for very strict quality control. 

    Q:How about the delivery?

    A: By containers on ship or railway wagon ,and bulk ship . Safe and cost effective way of delivery . 

    Q:What about the lead time for mass production?

    A:Honestly, it depends on the order quantity and the season you place the order.

    Contact US:

    Skype: paulpaul120481

    Mobile: +86 18622088833 (whatsapp,line)

    Email: info@sino-sources.com


    The nation's steel consumption is expected to rise 7.7 percent to 725 million metric tons this year amid an improving economy and better performance of major steel consumers, an industry research and planning institute said on Monday.The country's steel demand will grow by 0.7 percent to 730 million tons in 2018, said a report from the China Metallurgical Industry Planning and Research Institute.

    China's crude steel output will increase 3 percent year-on-year to 832 million tons in 2017, and by a further 0.7 percent to 838 million tons next year.Iron ore demand in the world's top buyer is expected to rise 1.3 percent to 1.122 billion tons in 2017 from last year and drop 0.2 percent to 1.12 billion tons in 2018.Major steel consumers including real estate construction, machinery, automobile, energy and shipbuilding will be the main contributors to the country's rising steel demand next year.

    Real estate construction will remain the biggest consumer of steel products in 2018, with demand amounting to 388 million tons, up by 0.3 percent from this year which is estimated at 387 million tons.The machinery industry comes second with 138 million tons of expected steel demand in 2018, up by 1.5 percent year-on-year, followed by the automobile industry with 59.5 million tons, and energy with 32.5 million tons.

    Li Xinchuang, president of the institute, said that China will continue to cut outdated steel capacity and manufacture more green and high-quality steel products next year."China's steel manufacturing infrastructure is the most advanced in the world. The small and unregulated steel mills, which are producing substandard steel with high pollution, should be eliminated," Li said."The steel enterprises should increase their investment in research and development as well as environmental protection to maintain their competitiveness in the world," Li added.

    Earlier this year, the National Development and Reform Commission, the country's top economic planner, set a timeline to phase out production of low-quality steel made from scrap metal, or ditiaogang, before the end of June.Authorities have sent 12 inspection groups to some areas including Hebei, Henan and Heilongjiang provinces, and the Guangxi Zhuang autonomous region to oversee the move, according to Lin Nianxiu, deputy head of the NDRC.China plans to reduce crude steel output by 100 to 150 million tons by 2020.

    More than 65 million tons of steel production capacity was phased out in 2016, beating the annual target. The country met the 2017 capacity reduction goal of 50 million tons by the end of August this year.In 2016, the central government spent over 30 billion yuan ($4.53 billion) helping 726,000 workers made redundant in the steel and coal industries to find new jobs. The number of workers to receive aid this year is estimated at 500,000.

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