subject: Cast Iron Flange [print this page] How to purchase cast iron flange in China? Cast iron flange means the flange plate made by cast iron. Actually, not all flanges were made by cast iron, many flanges were made by forged steel.
Dandong Foundry has made some cast iron flanges to Japan. Some were made by grey iron, and some by ductile iron. Cast iron flanges are not difficult to produce comparing with other more complex iron castings, but when you purchase them in China, you still need to notice some aspects.
First, as always, material is very important. The foundries should can do the tensile strength test in house. Second, there is no obvious surface and inside defects. Third, the dimensions have to be kept, especially for flatness. You could require the suppliers to rectify the flatness.
Besides of Dandong Foundry, there are some good foundries who can make the cast iron flanges very well. We just list some as following for your reference.
Qingdao Huadong Casting Machinery
Name: Casting iron Bearing Flange
Material: cast iron
ISO 9001-2000
Sand blast and machining
OEM/ODM
Products: Casting iron Bearing Flange. We can manufacture different kinds and sizes of Bearing Flange according to your demand or drawing.
Materials: carbon steel ,alloy steel, cast iron, cast steel, pig iron, grey iron ,ductile cast iron and so on.
Application fields: Mainly used in machinery, casting, automobile industry, shipbuilding, military industry, steel structure, oilfield, etc.
Shanxi Helios Casting and Forging Industrial
Certification: TUV, PED-AD, ISO9001:2000
Size: DN15-DN5000
Process: free forging, Die Forging, plate cutting etc
Standard: ANSI, API, AWWA, JIS, JPI, DIN, UNI, BS, AS EN or customers' drawings for special