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What is ductile iron pipe? It's background and feature

In 1947, H.Morrogh found that add cerium into supereutectic gray cast iron. Made its content more than 0.02wt%, and the graphite was spheroidal. In 1948, American man A. P. Ganganebin and his team was point out that if added Magnesium into cast iron, and then inoculated with ferrosilicon, When the residual magnesium was greater than 0.04wt%, spheroidal graphite was obtained. Since then, ductile iron began large-scale industrial production. Ductile cast iron pipe industry in China started in the early 1990 s, urban water supply association in China under the support of developing rapidly, after nearly 20 years of practical use, its security and practical have been generally recognized by the water supply industry.

Ductile iron pipe is a kind of cast iron pipe. In terms of quality, the spheroidization grade of ductile iron pipe is required to be 1-3 (the spheroidization rate is equal or greater than 80%), so the mechanical properties of the material has been improved, After annealing, the ductile iron pipe

has good mechanical properties, anti-corrosion performance, good ductility , good sealing effect and easy to install, it is mainly used for municipal, industrial and mining enterprises to supply water, gas, oil, etc.


Advantage of Ductile iron pipe

Ductile iron is made of low - phosphorus, low - sulfur iron with appropriate amount of magnesium alloy. Microstructure of mg alloy in addition to significant changes in carbon in iron think globular or nodular shape, at the same time, to produce more granular iron matrix in the surrounding ferrite structure. Because of this remarkable change, a stronger, stronger and more resilient material has been obtained.

Ductile iron provides maximum safety coverage to prevent faults due to ground motion and beam stress. It is almost unbreakable in ordinary services and offers greater damage resistance in transport and installation.


Our service 

l We have our own factory to produce our products. 

l We have a number of excellent line service team.

l We offer a full range of quality assurance services.



Ductile iron pipe specifications

1. Ductile iron pipe dimensions

l Ductile iron pipe size: Diameter: DN80 - DN800, we also can offer DN125

l Ductile iron pipe lengths: 5.5m -6.1m

2. Other parameter

l Hardness:≤230

l Pull Strength:≥420

l Yield (≥ MPa):≥270

l Ductile iron pipe class: K7, K8, K9, K10, K12, class 30, class 40


The Steel products from good manufacturers and Suppliers in SinoSources

Our steel pipe manufacturing process is well designed and cordinated to ensure we produce both hot and cold rolled steel products. SinoSources high quality steel products include: ductile iron pipe, mild steel angle bar, seamless steel pipe, galvanized steel pipes, galvanized steel sheet, steel flat bar, galvanized steel coil, corrugated steel roofing sheet and many more other stainless steel products.

We offer the most convenient and reliable platform for our global customers who can be able to order and have their goods delivered to any part of the world. Our quality products are as a result of well picked and selected raw materials. Find more detail information of ductile iron

pipe: ductlel iron pipe fittings or ductilte iron pipe installation, click here to check out.

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