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Cast Iron Flange

 

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
Material: Stainless steel, carbon steel, Alloy Steel etc
Certification: TUV, PED-AD, ISO9001:2000
Coatings: Yellow varnish, black paint, Rust oil and zincification etc
Size: DN15-DN5000
Process: free forging, Die Forging, plate cutting etc
Type: Flat, Slip on, Blind, Welding Neck, Threaded, Lapped, Orifice, Figure & Blind, Swivel etc, or as per buyers special requirements.
Specification:
1. DIN 2573 PN6 DIN 2576 PN10 DIN2502 PN16 DIN2503 P25-40 DIN2566 PN16 ,DIN2631-2635 etc
2. ANSI B16.5,A105 150LB 300LB 600LB 900LB 1500LB 2500LB WNRF SORF BLRF THRF SWRF LJRF etc
3. JIS SS400 OR SF440 5K 10K 16K 20K 30K SOPFF SOHFF BLFF etc
4. UNI 2276 2277 2278 6084 6089 6090 2544 2282 6091-6093 etc
5. EN1092 PN6 PN10 PN16 PN25 PN40 TYPE1 TYPE2 TYPE 5 TYPE 12 TYPE 13 etc
6. BS4504 SANI1123 1000/3 1600/3 2500/3 T/D T/E T/F etc
7. AS2129 TABLE D TABLE H TABLE E etc
8. GOST 12820-80 12821-80 etc

This article is from our Dandong Foundry's Cast Iron Flange.

 

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