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  • Hot Dipped Galvanized Steel Pipe - China

    price: contact company for price

    Galvanized Steel Pipe
    What is hot dipped galvanized steel pipe?
    Zinc coated tube is one of our main pruduct, as a leading Zinc coated tube manufacturer in China, we can give you a factory price!
    Hot-dip galvanizing (HDG), as referenced in the process of dipping fabricated steel into a kettle or vat of molten zinc. While the steel is in the kettle, the iron metallurgically reacts with the molten zinc to form a tightly-bonded alloy coating that provides superior corrosion protection to the steel. What is pre galvanized (GI) round steel pipe?
    The pre-galvanized welded steel pipe refers to welded tube which undergoes decreasing, rust removal, phosphorization, and drying processes before galvanization.The treatments before galvanization allow the product to be conveniently plated with a zinc coating and also ensure uniform coating thickness, strong coating adhesion, and improved corrosion resistance What is ERW welded round steel pipe?
    Welding pipes is one of the simplest and most durable ways to join piping together and steel pipes can simply be welded together with MIG (metal inert gas), TIG (tungsten inert gas or SMAW (stick metal arc) welding. Before welding two pipes together, avoid any gaps between the two pipes. While welding, take measures to ensure the continual alignment of the two pipes.
    More information you can views here
    DN INCH OD(mm) WT(mm) DN INCH OD(mm) WT(mm)
    15 1/2'' 21.3 1.1-2.75 400 16'' 406.4 5.0-12
    20 3/4'' 26 1.1-3.0 450 18'' 457.2 5.0-12
    25 1'' 33.4 1.1-3.25 500 20'' 508 6-14
    32 1 1/4'' 42.2 1.5-3.5 550 22'' 558.8 6-14
    40 1 1/2'' 48.3 1.5-3.75 600 24'' 609.6 6-14
    50 2'' 60.3 1.5-4.0 650 26'' 660.4 6-14
    65 2 1/2'' 76 2.0-4.0 700 28'' 711.2 6-14
    80 3'' 89 2.0-4.0 750 30'' 762 6-14
    90 3 1/2'' 108 2.0-4.5 800 32'' 812.8 8-20
    100 4'' 114 2.0-4.75 850 34'' 863.6 8-20
    125 5'' 140 2.0-4.75 900 36'' 914.4 8-20
    150 6'' 165 2.0-4.75 1000 40'' 1016 8-20
    200 8'' 219 3.0-6.25 1050 42'' 1066.8 8-20
    250 10'' 273 3.0-6.25 1100 44'' 1117.6 8-20
    300 12'' 325 3.0-10 1150 46'' 1168.4 8-20
    350 14'' 355 3.0-10 1200 48'' 1219.2 8-20 Specification
    Material list
    Elements Chemical Composition% Mechanical Property
    Material C% Mn% S% P% Si% Yield Point Tensile Strength Elongation (Mpa) (Mpa) (%)
    Q195 0.06-0.12 0.25-0.50 <0.05 <0.045 <0.3 >195 315-430 32-33
    Q235 0.12-0.2 0.30-0.70 <0.045 <0.045 <0.3 >235 375-500 24-26
    Q345 <0.20 1.0-1.6 <0.04 <0.04 <0.55 >345 470-630 21-22


    Company Contact:


    • Phone: 86-317-5129869

    • Address: wuliyao development zone ,yanshan county ,cangzhou city ,hebei ,china, cangzhou , hebei, China

    • Email: Email


    Published date: July 27, 2019 -

    • Business Description: Cangzhou Weiheng Pipe Industry Co., Ltd. was established in 1997 and officially started to operate and invest large amount of advanced equipments in 2001. Weiheng is located at Yanshan Economic Development Zone of Cangzhou, Chinese well-known Steel Pipe and fitting production base, which is 240km away from Beijing, the Capital city of China, and 140km away from Tianjin, important harbor in the northern part of China, enjoying the convenient accessibility.

      Covering an area of 135,000 square meters, Weiheng boasts to say that now we own more than 500 staffs and six large standardized workshops which are equipped with such advanced equipments as one set of 219mm seamless punching machine, currently the largest seamless and hot-rolled production equipment in Cangzhou, which is capable to produce seamless steel pipes with wall thickness ranging between 219 and 1220mm, and three sets of stamping hammers as well as 16 sets of CNC lathes which are qualified to customize various models of forging threaded flanges with annual output of 4000 tons.

      In addition, the company possesses 20 advanced high-frequency welded square pipe and rectangle tube production lines with computerized operation. The huge financial strength, advanced equipments and excellent talents promise the annual production capacity of 800,000-ton square pipes and rectangle tubes. Now the company has grown into the national well-known steel pipe manufacturer recognized by Chinese steel pipe consumers. Weiheng has been insisting on the principle of [customer-oriented" and strict management, cutting the cost and supporting customers. Adhering to the business idea of [survive on quality, develop with credibility and led by market", Weiheng sincerely invites all customers both at home and abroad to make the field trip to our company and have the business talk with the spirit of mutual benefit. Guided by the general manager, all staffs of Weiheng work hard and develop business with great vigor and determination and expect to cooperate with you jointly to seek mutual development. In the future, we hope to build Weiheng as one of international top 100 enterprises and make more contribution to the society through the untiring efforts of all staffs.

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