| Customization: | Available |
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| Customized: | Customized |
| Certification: | ISO, ISO 9001:2015 |
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Name: Hollow bar/forged pipe
Raw material: Carbon/stainless/alloy
Min size: Ø 90/Ø 50x130mm
Max size: Ø 1000/Ø 900x3000mm
Min weight: 4.00kg
Max weight: 12000kg
Heat treatment: Normalize/Quench/tempering
1.Forged SHAFT,forged RING;forged BLOCK;forged FLANGE.
Pipe sheet,gear ring,slewing bearing ring...most of forging parts.
Forged steel flanges/carbon steel flanges/stainless steel flanges.
2.Material: 4130, 4140, 4317, 4142, 4340, UNS440, 34CrNi3Mo,25Cr2Ni4MOV,18CrNiMo5, 30CrMo, 9Cr2Mo, 9Cr2W, 9Cr3Mo, 60CrMoV etc.
3.Dual certified to ASME/ASTM SA/A182 and EN10222-5 or DIN17440
4.PED-AD 2000-Merkblatt W0
| Forging Product Size Range | ||||||
| Forgings | Raw Material | Min.Size (mm) | Max.Size (mm) | Min.Weight (kgs) | Max.Weight (kgs) | Heat Treatment |
| Shaft | Carbon steel Stainless Steel Alloy Steel |
Φ30×50 | Φ800×5000 | 0.3 | 20000 | Normalizing; Queching; Tempering Annealing; Quenching&High Temperature Tempering |
| Ring | Φ75 ×Φ15×12 | Φ5000 ×Φ4500×300 | 0.3 | 9000 | ||
| Disc | Φ90 ×20 | Φ3500 ×100 | 0.5 | 10000 | ||
| Block | 100 ×100×100 | 1500 ×1500×1500 | 7.85 | 26000 | ||
| Gear Ring | Φ75 ×Φ15×12 | Φ5000 ×Φ4500×300 | 0.3 | 9000 | ||
| Hollow Bar | Φ90 ×Φ49×133 | Φ1000 ×Φ900×3000 | 4 | 12000 | ||
| Other | Φ5000 | 30000 | ||||
Shanxi Donghuang Wind Power Flange Manufacturing Co., Ltd. is located in Dingxiang County, Xinzhou City, Shanxi Province, the hometown of forging in China. Since 2007, it has been focusing on manufacturing and selling various steel flange forgings, and its products are exported to all over the country. More than 100 countries and regions around the world. Dingxiang's complete forging processing industry chain and complete testing equipment support, so that we can almost meet the requirements of various forging products of customers.
1. The modern factory covers an area of more than 20,000 square meters, has more than 30 sets of forging processing and testing equipment, a three-dimensional inspection center, ISO9001:2015 factory system certification, TUV/PED 2014/68/EU pressure vessel manufacturing license, special equipment manufacturing certificate, Member of China Forging Association, member of ASTM International Organization, high-tech enterprise in Dingxiang County, etc.
2. Can produce flanges of various international and domestic standards and custom flanges with drawings: GB, American, ANSI, Japanese, JIS, German, DIN, British, BS, European, EN1092, Russian, GOST, etc.
3. Types of flanges that can be produced: weld neck flange, high neck flange, long high neck flange, threaded flange, loose flange, lap flange, blind flange, flat flange, looper Flanges, orifice flanges, wind power flanges, heat exchanger tube sheets, baffles, pressure vessel nozzles, connectors, etc.;
Forging types: various forging flanges, forging tubes, Tube Sheet, Tube bundle supporting plate, raffles, forging rings, forging rings, forging rods, forging shafts, forging cakes, thick-walled tubes, shafts, wheels, valve bodies, gears, nozzles, modules, oil cylinders, rings, various special-shaped forging, etc.;
Our company's forging series products include
Industrial forgings for civil industries such as machine tool manufacturing, agricultural machinery, farm implement manufacturing and bearing industry;
Shaft segments such as main shaft and intermediate shaft for hydro-generators, forgings for thermal power plants such as rotors, impellers, and retaining ring main shafts;
Forgings for metallurgical machinery such as rolls and gear shafts; forgings for kettle ring, cylinder, cylinder, and axle forging machinery;
Flange series products include pressure vessel flanges, heat exchanger flanges, flat welding flanges, butt welding flanges, non-standard flanges, stainless steel flanges, etc.
Widely used in chemical, construction, water supply, drainage, petroleum, light and heavy industry, refrigeration, sanitation, plumbing, fire protection, electric power, aerospace, shipbuilding and other basic projects.
4. Basic size range of processed products as shown in the pictures below;
5. Quality inspection and inspection reports that can be issued by our products: according to the specific requirements of customers, we can issue certificates of conformity, non-destructive testing, 3.1 certificates, 3.2 certificates, mechanical properties, chemical composition, radiographic inspection, certificate of origin, etc.;
6. Standard exportation Package, plywood cases or pallets or iron frame.
7. [Common materials]: Stainless steel: ASTM, A182, F304/304L, F316/316L, F316H, F310, F321, JB4728-2000, OCR18Ni10Ti, JB4728-2000, OCR17NI12Mo2, 2205, 2507, 2103, 904L, 254SMD, 304 , 316LN, 1CR13, 2cr13, 3cr13, 4cr13, 321, 302, W1813N, W2014N, W2018N, W2020N, P550, Cr18Mn18N and other forgings.
Heat-resistant steel: 12CrlMoVG, P11, P22, P91, P92, F92, InconeI740H, CCA617, Sanicro25 alloy and other forgings
Bearing steel: G20CrNiMoA, G2CrNi2MoA, G20Cr2Ni4, GCr15, GCr15SiMn, GCr15SiMo, GCr18Mo, M50, M50NiL, CSS-F42L, Cronidur30 and other forgings
Gear steel: 42CrMo, 20CrNi2Mo, 34CrNi3Mo, 40CrNiMo, 20CrMnMo, 35CrMo, 18CrNiMo7-6 and other forgings.
7. Industries involved: mining equipment: mining equipment, winch equipment, crushing equipment, grinding equipment, washing equipment, sintering equipment.
Petrochemical equipment: manholes and flanges of spherical storage tanks, various tube sheets required for heat exchangers, integrally forged cylinders (pressure vessels) of catalytic cracking reactors with butt welding flanges, cylinders used in hydrogenation reactors Section, the top cover, bottom cover, head, etc. required by the fertilizer equipment are all forgings.
Power machinery, diesel generators, engines, electric machinery;
Mechanical parts such as wind power, nuclear power, marine, weapons, aircraft, etc.;
In line with the enterprise spirit of "integrity, dedication, collaboration, innovation, and people-oriented", the company has been deeply involved in the manufacturing industry with its advanced business philosophy, professional technical support, pragmatic work attitude and meticulous service, and has won the recognition of customers and Market reputation.
If you are interested in our company's products and services, we look forward to your online message or inquiries.
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