|Dimensions of steel tubes: medium|
|Nominal size of thread (DN)||Designation of thread||Outside diameter(mm)||Thickness(mm)||Mass of black tube (kg/m)|
|max||min||Plain end||Screwed and socketed|
Chemical Requirements and mechanical properties of DN40 black BS1387 medium class steel pipe supplier
|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%|
1.Best price with good quality.
2.The partner you can trust.
3.Good service and very patient.
4.We are experienced manufacturer in Tianjin.
5.Special design avaliable according to requirements.
6.All production processes are under ISO 9001-2008 strictly.
7.Visit factory any time.
8.Choose DongPengBoDa is equal to Choose Top Guarantee!
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.
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!
We are the professional erw steel pipe manufacturer in China,and have 10 years of export experience.If you're interested in our products, please contact us.You will be not regret to contact with us!Welcome to visit our factory any time.
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