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API5L X42 X52 SCH 40 ssaw spiral welded schedule 40 steel pipe
Used for low pressure liquid delivery, such as water, gas, and oil; construction and piling
API 5L, API 5CT, ASTM A106/A53, ASTM A519, JIS G 3441, JIS G3444,
API 5L PSL1 / PSL2, API 5CT, ISO 9001-2008
API 5L :API 5L: GR B, X42, X46, X56, X60, X65, X70
Random Length, Fixed Length, SRL, DRL
Black painting,bare pipe,Oiled,Hot dip galvanized
BKS, NBK, BK, BKW, GBK(+A), NBK(+N), BK(+C)
1. big diameter: in loose
2. small diameter:packaged in bundles with strips
3. as per clients' requirement
20 - 30 days after receive deposite
The development direction
The main development direction of spiral steel tube factory is:
(1) the steel pipe with new structure is designed and produced. For example, the double-layer spiral welded steel pipe, namely, the strip steel with the thickness of half of the pipe wall is welded into a double-layer pipe, which is not only stronger than the single-layer pipe with the same thickness, but also will not cause brittle damage;
(2) to develop new types of steel, improve the level of smelting technology, and widely adopt controlled rolling and post-rolling waste heat treatment technology, so as to continuously improve the strength and toughness of the pipe body and welding function;
(3) the development of coating tube, such as the tube inner wall coated with anticorrosive layer, not only can extend the service life, and can improve the smoothness of the inner wall, reduce fluid friction resistance, reduce wax and dirt deposition, reduce the number of pigging, reduce the maintenance cost;
(4) production of large diameter thick wall pipe to improve the pressure resistance.
Steel pipe bearing algorithm
One: to know the diameter of seamless tube seamless tube specification wall thickness can withstand the pressure calculation method (different steel tube material tensile strength is different)Pressure =(wall thickness *2* tensile strength of steel tube material)/(outer diameter * coefficient)Two: to know the seamless tube seamless steel tube diameter and pressure calculation method for wall thickness:Wall thickness =(pressure * outer diameter * coefficient)/(2* tensile strength of steel tube material)Iii. Steel pipe pressure coefficient expression method:Pressure P<7Mpa coefficient S=87< steel pipe pressure P<17.5 coefficient S=6Pressure P>17.5 coefficient S=4 
The Process Flow
Cangzhou Steel Pipe Group (CSPG)Co.,Ltd.
has more than eighteen years history company which located in Lecong Iron and Steel World, a well-known steel distribution center in China, with superior geographical position and convenient water and land transportation.
We are a direct-selling manufacturer specializing in the research and development of spiral steel pipes, steel coiled pipes, anti-corrosion steel pipes inside and outside. Since its inception, the company has been guided by a brand-new thinking of steel pipe product market based on the business philosophy of honesty, pragmatism and knowledge-seeking.
Edit by Ms. Vicky of CSPG
Contact us directly by:
Email: firstname.lastname@example.org ,email@example.com
Tel / Whatsapp: +86-180327140146