Company profile
Shandong Liaocheng Zhicheng Pipe Co., Ltd. is located in the Liaocheng Development Zone in Shandong Province, which is known as the “Jiangbei Water City”, situated in the China largest steel distribution center. Our company is a large-scale iron and steel enterprise integrating production and operation. Our company was founded in 2006 and has a total investment of 260 million RMB, an area of 180,000 square meters. Existing staff of 1200 people, technical personnel more than 80 people, management personnel 30 people.
Our cast iron items include ductile iron pipe, used in urban water supply, drainage, sewage and gas supply projects; Ductile iron well lid, used in water supply wells, drainage wells, gas wells, electric wells, and heating wells; The flexible mechanism drainage pipe, mainly used for high-rise drainage;
Products Images
Specification
A.Composition:
a) C: 3.4 - 3.7%
b) Si: 2.0 - 2.4%
c) P: <0.08%
d) S: <0.015
B.Pull strength: >420MPa
C.Yield: >10%
D.Hardness: <230HB
E.Process and testing:
a) Blast furnace (Analysis of raw materials test )
b) Mg treatment (Micro & chemical composition test)
c) Pipe spinning (Temperature test)
d) Heat treatment (Micro structure; Flattening test)
e) Zinc coating (Thickness testing)
f) Dimensional checks (Thickness & Dia. testing)
g) Hydraulic test (Pressure test)
h) Internal lining (Thickness testing)
i) External coating (Thickness test)
a) C: 3.4 - 3.7%
b) Si: 2.0 - 2.4%
c) P: <0.08%
d) S: <0.015
B.Pull strength: >420MPa
C.Yield: >10%
D.Hardness: <230HB
E.Process and testing:
a) Blast furnace (Analysis of raw materials test )
b) Mg treatment (Micro & chemical composition test)
c) Pipe spinning (Temperature test)
d) Heat treatment (Micro structure; Flattening test)
e) Zinc coating (Thickness testing)
f) Dimensional checks (Thickness & Dia. testing)
g) Hydraulic test (Pressure test)
h) Internal lining (Thickness testing)
i) External coating (Thickness test)
Flow Chart
Processing
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Packing & Shipping
FAQ
1. Are you manufacturer or trading company?
We are manufacturer. No need worry.
2. Are your price is competitive?
Different quality means different prices. But we are doing our best to control the cost by the purchasing materials, processing, efficiency of processing, land freight, sea freight etc.
3. How is your quality?
Our technician will make a best draft according to your project. You can finish your project at lowest cost.
4. What is your warranty?
Warranty period is one year. For any problem, you can contact our sales people. They will help you to solve the problem.
5. Can I get free sample?
Yes, we would like to supply free sample. If you are sincere customers, we will try to pay the post charge.
6. How is the shipment time?
We have stock for regular size for prompt shipment. If the size you demand is special, usually we can arrange shipment in 20 days.
7. Our money is safe or not?
We have factory. And our factory won’t close just for your some money, right?
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