steel reinforced spiral structure wall corrugated pipe machine for sewage drainage waste water
The elastic modulus of carbon steel is almost 200 times higher than polyethylene; its value is about 190,000 Mpa however the polyethylene is around 800Mpa only. So if we can combine the advantages of both steel and plastic, that will be an ideal method to get a perfect pipe with high stiffness and less cost. The question is how to compose two kinds of material in a good way, keep their benefits but avoid the defects, to let them complement each other. There are many manufacturers are researching the answer of this question, among them, the SRPE pipe is absolutely a relative nice and successful solution for the composite pipe proved by mass evidences since 2003.
At present the composite pipe has been widely used in many applications and various steel-plastic composite pipes have been developed. The Steel Reinforced Polyethylene Spiral Corrugated Pipe (SRPCP pipe) is one of the best solutions among those pipes, which has been researched by Goldstone company with Chinese patent. It is a great technical innovation to use the steel-plastic composite construction instead of the single material (plastic) for sewage and drain pipe system. The new composed structure brings many advantages like higher stiffness, less weight, low cost, large diameter, etc.
The diameter of the pipe is from 300 mm (12 inch) up to 3200 mm (126 inch). The obvious advantage of the new composite pipe is the high stiffness and low cost if compared with the universal buried plastic sewage pipe. The ring stiffness reached SN8 to SN16, which is a surprise value for other plastic pipes. This pipe meets ASTM 2435-12 standard and Israel, Italian standard, Chinese national standard etc.
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