Large Diameter Forged Steel Rings For Pressure Vessel , Ball Valve
Forged Steel Rings Specification:
1: Die forged ring
2: Materials: carbon ,stainless and alloy steel
3: Measurement: within 16 meters
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 |
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.
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