Key Specifications/Special Features:
Outer diameter:DN6-DN500
Wall thickness:SCH20,SCH40,SCH80...
Length:1-12M or customized length
Standard:ASTM A53
Application: petroleum, power, gas metallurgy, paper-making, chemical, medical equipment, aviation, boiler heat, exchanger, shipbuilding, construction and more
Special design is available according to requirement
1. Bundle packing
2. Beveled end or plain end or varnished as per buyer's required
3. Marking: as per customer's requests
4. Painting varnish coating on the pipe
5. Plastic caps at ends
Chemical Requirements and mechanical properties of SCH40 ASTM A53 Gr.b galvanized steel pipe with thread
  Carbon Manganese Phosphorus Sulfur Copper Nickel Chromium Molybdenum Vanadium
Type S (seamless pipe)

Open-hearth,electric-fumace or basic-oxygen:


Grade B

0.25 0.95 0.05 0.045 0.40 0.40 0.40 0.15 0.08
0.30 1.20 0.05 0.045 0.40 0.40 0.40 0.15 0.08
Type E(electric-resistance-welded)

Open-hearth,electric-fumace or basic-oxygen:


Grade B

0.25 0.95 0.05 0.045 0.04 0.04 0.04 0.15 0.08
0.30 1.20 0.05 0.045 0.04 0.04 0.04 0.15 0.08
Type F (fumace-welded pipe)

Open-hearth,electric-fumace,or basic oxygen              

Grade A

0.30 1.20 0.05 0.045 0.40 0.40 0.40 0.15 0.08

Tests we apply to the tubes:
1. Chemical composition analysis
2. Mechanical properties (tensile strength, yield strength, elongation, hardness)
3. Technological test (flattening test, flaring test, bending test, hydraulic pressure test)
4. Surface quality detection
5. Eddy-current examination
6. Visual test


1.High quality and The lowest price
2.10 + years of pipe production experience at your service.
3.Rich experience in doing business with foreign customers
4.Most comprehensive standards and materials for your choice.
5.Good service and very patient.

Some About Our Factory

   DongPengBoDa Steel Pipe Group is located in Daqiuzhuang, Tianjin, which is the biggest welded pipe production base in the world.
Group is founded in 2006, and the register capital is 205 million RMB. It has five subsidiary companies: Tianjin Tianfeng Steel Pipe Co., Ltd; Tianjin Tianwang Steel Pipe Co.,Ltd; Tianjin FWS Trading Co., Ltd; Dongpengboda (Tianjin) Industrial Co., Ltd; FIVE STEEL (TIANJIN) TECH CO., LTD. After years of hard work, we have formed a diversified investment pattern of development, and in accordance with the requirements of new industrialization, we have given full play to their own advantages to achieve the scale, structure, quality and efficiency overall promotion.
   Group companies have a professional production of galvanized round pipe, galvanized square and rectangular pipe, mild steel square hollow sections, steel conduit (EMT/IMC/RSC) and other various types of steel pipes. We have a total of 17 steel production lines, which have advanced technology and equipment and are all controlled by computer. Production process is in strict accordance with the ISO9001 quality management system, and steel pipe can be customized in GB, American standard, British standard, European standard, Australian standard and Japanese standard. Therefore our product quality has reliable guarantee and can be exported to North America, South America, Europe, Middle East, Southeast Asia, Australia and many other countries and regions. The annual output is 0.88 million tons.
   Dongpengboda Steel Pipe Group will be "quality first, users first" for the purpose of advanced technology and equipment and strict management, to provide you with quality products and sincere service. Welcome friends to visit our factory!

product range:16mm-325mm,WT:0.6mm-3.0mm
product range: 12.7*12.7-400*600,WT:0.5mm-16mm


Contact us:
Tel/Whatsapp: +8613388081802

Main Products: steel pipe,steel conduit,steel scaffolding,hollow section,hot dipped galvanized pipe

If you are interested in our product, please inquire me at any time, I will give you the answer ASAP.


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