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Negotiable
MOQ: 1 Ton (Price negotiable depending on order volume and customization)
Key Specifications
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Business Type:
Trading Company
Year Established:
2004
Total Employees:
101 - 200 People
Payment & Shipping
Payment Methods:
Port of Shipment:
China
Delivery Detail:
7 days
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Product Origin:China
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Description:Specifications: 1) Standard dimensions and weight of N1 type joint (K9 class, standard effective length: 6m) 2) Standard dimensions and weight of S type joint (K9 class, standard effective length: 6m) 3) Standard dimensions and weight of T type joint (K9 class, standard effective length: 6m) Manufacturing processes: 1) Smelting and molten iron spheroidization: after smelting in a mid-frequency furnace, molten iron id treated with a spheroidizing agent to adjust its composition 2) Centrifugal casting and extraction from molds: water-cooled metal mold casting is used on a centrifuge, with molten iron in the cupola heated by an electric furnace. After being spheroidized, it is cast into a pipe mold that is continuously turning at high speed. The molten iron sets into a ductile iron pipe, which is cooled by water, then extracted from the mold according to the set time 3) Heat treatment: qualified cast ductile iron pipes are put into an annealing furnace to attain the required metallographic structure 4) Finishing: during finishing processes, the pipes pass through visual inspection, zinc spraying (if necessary), roundness checking, internal grinding of spigots and sockets, hydraulic pressure testing (or air testing), ring test chamfering, grinding, dimension checking and mechanical properties tested, in order to ensure pipe quality. All pipes are then externally coated with metallic zinc and sprayed with bitumen according to the ISO8179 standard 5) Cement lining: cement mortar is lined onto the internal surface of each ductile iron pipe to prevent water from being polluted and to increase transmission capabilities. All pipes are internally centrifugal lined by cement mortar lining according to the ISO4179 standard 6) Bitumen coating: to prevent corrosion and give the pipe a good appearance, every ductile iron pipe is coated with bituminous paint, meanwhile undergoing a quality inspection of the external coating
Product Origin:China
Brand Name:
Price Terms:
Payment Terms:
Certification:
Description:Specifications: 1) Standard dimensions and weight of N1 type joint (K9 class, standard effective length: 6m) 2) Standard dimensions and weight of S type joint (K9 class, standard effective length: 6m) 3) Standard dimensions and weight of T type joint (K9 class, standard effective length: 6m) Manufacturing processes: 1) Smelting and molten iron spheroidization: after smelting in a mid-frequency furnace, molten iron id treated with a spheroidizing agent to adjust its composition 2) Centrifugal casting and extraction from molds: water-cooled metal mold casting is used on a centrifuge, with molten iron in the cupola heated by an electric furnace. After being spheroidized, it is cast into a pipe mold that is continuously turning at high speed. The molten iron sets into a ductile iron pipe, which is cooled by water, then extracted from the mold according to the set time 3) Heat treatment: qualified cast ductile iron pipes are put into an annealing furnace to attain the required metallographic structure 4) Finishing: during finishing processes, the pipes pass through visual inspection, zinc spraying (if necessary), roundness checking, internal grinding of spigots and sockets, hydraulic pressure testing (or air testing), ring test chamfering, grinding, dimension checking and mechanical properties tested, in order to ensure pipe quality. All pipes are then externally coated with metallic zinc and sprayed with bitumen according to the ISO8179 standard 5) Cement lining: cement mortar is lined onto the internal surface of each ductile iron pipe to prevent water from being polluted and to increase transmission capabilities. All pipes are internally centrifugal lined by cement mortar lining according to the ISO4179 standard 6) Bitumen coating: to prevent corrosion and give the pipe a good appearance, every ductile iron pipe is coated with bituminous paint, meanwhile undergoing a quality inspection of the external coating
Send Inquiry to This Supplier
Business Type
Trading Company
Year Established
2004
Total Employees
101 - 200 People
Main Markets
North America, South America, Eastern Europe
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