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我们一直秉承严格的质量管理体系，每一件产品从设计到发货，质量保证体系贯穿始终，客户购买的不仅仅是产品，更多的是对产品质量的承诺。
隐藏域元素占位
我们一直秉承严格的质量管理体系，每一件产品从设计到发货，质量保证体系贯穿始终，客户购买的不仅仅是产品，更多的是对产品质量的承诺。
隐藏域元素占位
我们一直秉承严格的质量管理体系，每一件产品从设计到发货，质量保证体系贯穿始终，客户购买的不仅仅是产品，更多的是对产品质量的承诺。
隐藏域元素占位
News
Why is ductile iron pipe used as sewage treatment pipe
It is mainly used for urban water, gas, oil and other fluid pressure main pipelines. The main components of ductile iron pipes are carbon, silicon, manganese, sulfur, phosphorus and magnesium. The supplier of ductile iron pipe introduced that a certain amount of spheroidal graphite is scattered on the ferrite and pearlite matrix. According to the different requirements of nominal diameter and elongation, the proportion of ferrite and pearlite in the matrix structure is different. Next, we will learn about the use of ductile iron pipe in sewage treatment.
隐藏域元素占位
Anti-corrosion measures for ductile iron pipes
Asphalt paint coating is used for gas transmission pipeline. Preheating the pipe before painting can improve the adhesion of asphalt paint and accelerate drying.
隐藏域元素占位
Performance Analysis of Ductile Iron Pipe
First of all, we should know that ductile iron pipe is a kind of cast iron, an alloy of iron, carbon and silicon. Because graphite in ductile iron pipe exists in spherical form, the material itself has certain mechanical properties
隐藏域元素占位
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