China Supplier EN-GJS-450-10 Ductile Iron Casting Fire Hydrant
Products Details
Material | Ductile Iron, Gray Iron |
Process | Resin sand casting / shell mold casting + cnc machining |
Casting dimension tolerance | CT9 - CT12 |
Casting surface roughness | Ra 12.5 um |
Casting weight range | 0.1-300 kg |
Casting Size | Max linear size: 1200 mm, Max diameter size: 600 mm |
Machining Precision | Positioning accuracy 0.008 mm, Rep. position. accuracy 0.006 mm |
Material standard | GB, ASTM, AISI, DIN, BS, JIS, NF, AS, AAR |
Surface treatment | Zinc plating, Mirror Polishing, Sand Blasting, Acid pickling, b-lack oxide, Painting, Hot galvanizing,Powder coating, Nickel plating. |
Service available | OEM & ODM |
Quality control | 0 defects,100% inspection before packing |
Application | Train & railway, automobile& truck, construction machinery, forklift, agricultural machinery, shipbuilding, petroleum machinery, construction, valve and pumps, electric machine, hardware, power equipment and so on. |
Keywords | Sand casting, steel casting, iron casting, ductile iron casting, shell mold casting, resin sand casting, gray iron casting, cast iron casting |
Product Show

Factory Introduction
Sunrise Foundry is a professional Metal Foundry, located in Ningbo. We have been producing Gray Iron,
Ductile Iron Castings and and any other precision castings for more than 25 years.
We are dedicated to meet different requirements of various customers across the world, products are mainly
involved Agricultural and Construction Machinery, Hydraulic, Mining industry, Municipal Products, some steel
and stainless steel castings for Pumps and Valves, Pipe Fittings, etc.
Please feel free to contact us if you have any requests.
Quality Control

FAQ
Q1:Are you manufactory or trade company?
A1:We are an enterprise integrating manufacturer and we are AAA grade credit enterprise, and also we have cooperative plants to provide other services such as plating and coating .
Q2: How could I get a free quotation?
A2:Please send us your drawings by Alibaba or email. The file format is PDF / DWG / STP / STEP / IGS and etc. IF there are no drawings, we can make the drawings according to your samples!
Q3:How to control quality?
A3:First, all raw materials are inspected by the quality control department before they are put into storage. Second, during the casting process, three times of spectral analysis were performed at the front, middle and back respectively. Third, after the parts are cleaned, perform a first visual inspection to check whether the product has casting defects before sending it to the next process. Fourth, conduct a comprehensive QC inspection of each part before shipment, including chemical composition, mechanical properties and other specific tests. Transactions can be through Alibaba's trade assurance.