A350 LF3 Class1500 NPS4" DN150 Carbon Steel Pipe Flanges for Petroleum

PN250 Class1500 WN RTJDN100 NPS4" DN150 NPS6" DN300 NPS 12"A350 LF3 Carbon Steel Flange Forgings Q + T Heat Treatment

ASTM/ASME Standard A350 LF2(%)

Heat Treatment::Quenching+ Tempering

Hardness ≤ 187HB

Largest OD:5000mm
Largest Weight:15000kg
Surface Finish 6.3um Ra Or As Required.
Forging Reduction Min:3.1 Or As Required



The main manufacturing equipments:

Certfiticates List:

Company Introduction:

Jiangyin Fangyuan Ringlike Forging Flange Co.Ltd was established in 1993.It’s the member of the Confederation of Chinese Metalforming Industry, Chinese wind energy association, China petroleum & Petro-chemical Equipment Industry Association.

As the leading forging manufacturer in China, our company is specialized in manufacturing forged rings, forged discs, forged shaft ,flanges,valve forging and pressure vessel forgings.

The company covers a total area of 100,000 m2 (square meters), building area of 70,000 m2(square meters). There are 600 staffes in the company. Among them, there are 138 senior engineers and technicians. We also have our own testing center lab. which is able to do chemical analysis, metalloscope test, spectrometer test, mechanical property test and Ut test.
The company has been proved by ISO9001,ISO14001, TUV, API,LRS, GL,BV, ABS,DNV, CCS ,RINA,KR and NK.

The GE,SKF ,ABB and Siemens are our main forgein customers now.I hope that my company could have the opportunity to established a long-term cooperative relationship with you.I hope to receive your inqury soon.

Jiangyin Fangyuan Ringlike Forging & Flange Co.,Ltd, established in 1993, is the member of the Confederation of Chinese Metalforming Industry, Chinese wind energy association, China petroleum & Petro-chemical Equipment Industry Association. As one of the biggest ring forging manufacturers in China, our company is specialized in manufacturing gear rings, flanges, main shafts, ring forgings valve forings and pressure vessel forgings.
Our company covers a total area of 100,000 m2, including building area of 70,000 m2.
The main equipments: 5 hydraulic press machine (800T、1600T、2000T、3500T、3600T), 4 ring rolling machine (2000、2500、3500、5000mm), 5 charging machine (5—20T), 7 operation machine, 48 vertical lathes, 2 CNC drilling machine (5m), 50 horizontal lathes, etc.
The annual capacity of our company is 150,000 tons.
The total staff of our company is 600 people, among them there are about 138 senior engineers, engineers, technicians and specialists.
We also own 3000 m2 Testing Center lab and a full set of inspection equipments, including chemical analysis lab, metalloscope, spectrometer , mechanical property test machine and ultrasonic test machine.
Currently, the maximum diameter of rings we produce is 5000 mm, the products are largely used in different industries like wind power, nuclear, petrochemical, electric power, machinery, shipping, etc.
There are 40% of our products exported to different countries all over the world.
As important ring forging manufacturer, we are certified by ISO9001 quality system, TUV, DNV, ABS, BV,RINA,KR,NKpressure vessel committee, etc.
Located in Jiangyin city, Jiangsu province, China, Jiangyin Fangyuan Ringlike Forging & Flange Co.,Ltd is convenient in transportation. It is no more than 120km from Shanghai, about 140km from Nanjing, and about 8 km to the wharf of Changjiang River.
Quality first, customer first, we warmly welcome you to visit our factory and establish cooperation!