Dimensions of steel tubes: light
Nominal size (DN) Designation of thread Outside diameter(mm) Thickness(mm) Mass of black tube (kg/m)
    max  min   Plain end  Screwed and socketed
8  1/4 13.6 13.2 1.8 0.515 0.519
10  3/8 17.1 16.7 1.8 0.67 0.676
15  1/2 21.4 21 2 0.947 0.956
20  3/4 26.9 26.4 2.3 1.38 1.39
25 1    33.8 33.2 2.6 1.98 2
32 1 1/4 42.5 41.9 2.6 2.54 2.57
40 1 1/2 48.4 47.8 2.9 3.23 3.27
50 2    60.2 59.6 2.9 4.08 4.15
65 2 1/2 76 75.2 3.2 5.71 5.83
80 3    88.7 87.9 3.2 6.72 6.89
100 4    113.9 113 3.6 9.75 10

Length:4m-7m or customer request.

Place of Origin:Tianjin,China

Delivery Time:2 weeks to 30 days since the date of receiving down payment.

Package:By bundles, plastic caps or steel caps,wooden cases or as requirement.

Product Application:

1. Fence, greenhouse, door pipe,greenhouse frame, furniture using
2. Low pressure liquid, water, gas, oil, line pipe
3. For both indoor and outdoor the building construction
4. Widely used in scaffolding construction which is much cheaper and convenient

Big diameter and thick wall pipes.
Best price with good quality.
The partner you can trust.
Good service and very patient.

1. Free sampling
2. 100% after-sales quality assurance.
3. All other specifications of steel pipes are available as your requirement! Factory price you will get from DongPengBoDa.

Chemical Requirements and mechanical properties of DN20 light thickness bs1387 erw steel tube

Chemical Composition(ladle) Mechanical Properties at room temperature
C (max) Mn (max) P (max) S (max) Tensile strength,Rm Yield strength,Re(min) Elongation on gauge length  Lo=5.65√SoA(min)
0.20% 1.20% 0.05% 0.05% 320 to 460 N/mm2 195 N/mm2 20%

About our company: 

Main Products: ms pipe,steel conduit,steel scaffolding,hollow section pipe

  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, hot rolled square and rectangular steel pipe, 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.

Should you're interested in the DN20 light thickness bs1387 erw steel tube, please contact us and welcome to visit our factory.As one of the leading such manufacturers and suppliers in China, we will offer you a discount.






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