- Overview
- Company Profile
- Product Parameters
Basic Info.
Model NO.
DHAN
Surface Treatment
Passivation
Forging Tolerance
+/-0.5mm
Standard
AISI
Certification
CE, ISO 9001:2000
Transport Package
Plywood Case/Brandrith
Specification
4140
Trademark
DHDZ
Origin
China
HS Code
73261910
Production Capacity
15000 Tonnage Per Year
Product Description
About us:
1. With 20 years of experience in the industry, Dong Huang Forging Company Ltd., Shanghai 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.
Production process: 
Packages:
Quality Certificates:
Machineries and testing equipments
Our Team:
Name: Ring
Raw material: Carbon/stainless/alloy
Min size: Ø 75/Ø 15x12mm
Max size: Ø 5000/Ø 4500x300mm
Min weight: 0.30kg
Max weight: 9000kg
Heat treatment: Normalize/Quench/tempering
1. With 20 years of experience in the industry, Dong Huang Forging Company Ltd., Shanghai 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.
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.
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.
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!
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!
| 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 |
Packages:
Quality Certificates:
Machineries and testing equipments
Our Team:
Name: Ring
Raw material: Carbon/stainless/alloy
Min size: Ø 75/Ø 15x12mm
Max size: Ø 5000/Ø 4500x300mm
Min weight: 0.30kg
Max weight: 9000kg
Heat treatment: Normalize/Quench/tempering