Common materials: Stainless steel: ASTM, A182, F304/304L, F316/316L, F316H, F310, F321, JB4728-2000, OCR18Ni10Ti, JB4728-2000, OCR17NI12Mo2, 2205, 2507, 2103, 904L, 254SMD, 604LN, 314SMD , 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 Forgings gear steel: 42CrMo, 20CrNi2Mo, 34CrNi3Mo, 40CrNiMo, 20CrMnMo, 35CrMo, 18CrNiMo7-6 and other forgings.
Company Profile
DHDZ China are manufacturer of the High Quality Steel Flanges and Forgings based on different standards: ASME, JIS, BS, ISO, DIN, EN, SABs etc.
Flanges covers Weld Neck, Slip On, Threaded, Lap Joint, Socket Weld, Blind, Orifice, Loose, Plate, Oval, Wind Power Flange, Tube Sheet, other Customized Flanges.
Forgings covers Blocks, Disks, Rings, Cylinders, Shafts, Tubes, Bars, other Customized forgings, etc..
Main Mateirals: Carbon Steel, Stainless Steel and Alloy steels;
International Standards: ASME, JIS, DIN, GB, BS, EN, AS, SABS, etc.
Standardization and Customization are both our advantages.
Certificate: ISO system, PED certificates, TUV certified.
Nearly 20 years experience;
clients from more than 15 Countries in EU, USA, Gulf area, UK, South America, AU, Asia, etc..
We will do our best to support you no matter big or small you are!
Product Parameters
| Name: |
Disc |
| Raw material: |
carbon/stainless/alloy steel |
| Min size: |
Ø90x20mm |
| Max size: |
Ø3500x100mm |
| Min weight: |
0.50kg |
| Max weight: |
10000kg |
| Heat treatment: |
Normalize/Quench/tempering |
Production process:
Packages:
Quality Certificates:
Machineries and testing equipments
Our Team:
Shanghai Dong Huang Forging Company Ltd., is a medium-size company in the forging industry, and the major products are forgeable pieces and flanges.
With 20 years of manufacturing experience, our factory now covers an area of 16, 000 square meters, employing more than 200 staff, including 4 senior engineers, 6 engineers, 30 technicians and 12 inspection specialists. With advanced technology, world-class craftsmanship and a complete range of inspection methods, we can produce any products smaller than 5, 000 mm in diameter and lighter than 30, 000 kg in weight in one completion. Having signed long-tem purchasing contracts with major steel and iron factories in China such as Bao Steel, Tai Steel, Capital Steel and others, our company can guarantee the quality of raw materials, with a comprehensive operational chains of material soucing, forging, heat treatment, machine tooling, quality inspection, mechanical typing, and packaging. Our equipment and technologies are also constantly upgrading.
1. We can manufacture all kinds of forging part for various use.
2. Competitive price and superior quality are waiting for you
Our mainquipment includes a piece of five ton free forging hammer, a piece of three ton forging hammer, a piece of 8000 ton pressure machine, five pieces of 1000 ton friction press, a piece of 8 ton die hammer with medium frequency induction heating, 50 pieces of machining equipment. Over ten pieces of heat treatment well type and champer type electric furnace. Being able to complete product normalizing annealing and hardening and tempering. The test equipment 13 complete with physial and chemical laboratory optical microscope supersonic wave nondestructive flaw detection and maganaflux being able to do mechanical test metallurgical phase picture, electronic infrared temperature measurement meter and hardness meter
About us:
1. With 20 years of experience in the industry, Dong Huang Forging Company Ltd., Shanxi now enjoys rich experience and excellent professional reputation. Praises from the clients are not only the driving force behind us, but also the reason why we are your best choice.
2. Here at Dong Huang, we have a team of scientific and technological experts; Together with the latest manufacturing equipment and managerial expertise, we can guarantee the quality of out products in an environmental-friendly manner.
3. Located in Shanxi Province, China's natural coal mine, we enjoy the apparent geographical advantage. Therefore, while granting product quality, our company also has huge competitiveness in terms of price.
4. Decades of development has brought us at Dong Huang, a notion that we do not long for growing bigger and stronger, but for meeting the demand of our clients.
5. For the steady development of our company, Dong Huang has in recent years adopted scientific management, which has not only greatly enhanced the efficiency, but also maximized the benefit for our clients. Meanwhile, scientific management has been introduced in Dong Huang in client management.
Quality Control:
1. Inspecting apparatus and equipment are tested and supervised by relevant national departments on a regular basis.
2. We conduct physical and chemical inspection to raw materials.
3. All links in production are examined and properly reported.
4. We conduct loading examination to the packaging which should be applicable to rust prevention and shipment.
5. We carry out random inspection to products in the storage.
6. Each step of inspection is recorded in both image and written form.
| Name: |
Ring |
| Raw material: |
carbon/stainless/alloy steel |
| Min size: |
Ø75/Ø15x12mm |
| Max size: |
Ø5000/Ø4500x300mm |
| Min weight: |
0.30kg |
| Max weight: |
9000kg |
| Heat treatment: |
Normalize/Quench/tempering |
Audited Supplier 
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