Max OD 5000mm A350 LF3 LF6 Carbon Steel Forged Rings Rough Machined Q+T Heat Treatment

Certification:PED Certificates,ABS,BV,DNV,RINA,GL,LR,NK,KR,CCS

Max OD 5000mm A350 LF3 LF6 Carbon Steel Forged Rings  Rough Machined Q+T Heat Treatment
 
ASTM/ASME Standard A350 LF2(%)

C≤0.20	Si:0.25~0.35	Mn:≤0.90	S≤0.035	P≤0.040
Cu≤0.40	Ni:3.3~3.7%	Mo≤0.12	V≤0.03	Cr≤0.30

 
Heat Treatment::Quenching+ Tempering
 

Item	LF2 Class1 and LF2 Class2
Tensile Strengthd	485~655 Mpa
Yield Strengthd	≥ 260 Mpa
Elongation Rate	≥ 22%
Reduction Of Area	≥ 35%

 
Hardness ≤ 187HB
 

Item	Temperature	Min average impact enery	Min impact energy
LF2 Class1	-101℃	20J	16J
LF2 Class2	-101℃	27J	20J

 
 
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:
 
 

Name&Description	Capacity	Quantity
3600Thydraulic press	Max. single forging in 18T	1
2000T hydraulic press	Max. single forging in 9T	2
800 hydraulic press	Max. single forging in 5T	1
6T electrical hydraulic hammer	Max.single forging in 5T	1
3T electrical hydraulic hammer	Max.single forging in3T	1
Air hammer	Max.single forging from250kg to 1000kg	7
Forging operation machine	Max.singe forging from20T-5T	7
Heat treatment Furance	Max.8000*5000*1500mm	11
CNC driling machine	Max.5000mm	2
Vertical lathe	From 1600 to 5000mm	60
Horizontal lathe	Max.5000mm	70
Band sawing machine	260-1300mm	36

 
Test instruments:
 
Certfiticates List:

Certificates list of Jiangyin Fangyuan
ISO9001:2008	ISO14001:2004	PED Certificate
ABS Certficate	BV Certficate	DNV Certificate
RINA  Certficate	GL  Certficate	LR  Certficate
CCS  Certficate	NK  Certficate	KR  Certficate
API-6A  Certficate	API-17D  Certficate	CNAS  Certficate

 
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.
 
 
Products process:
The forgings manufacturing and inspecting process are showed in the following picture :