About us:
1. With 20 years of experience in the industry, Dong Huang Forging Company Ltd. 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: |
flange |
| Raw material: |
carbon/stainless/alloy steel |
| Standard: |
ASME;ANSI/DIN;BS;JIS;EN;... |
| Size: |
0.25"~56"~max. |
| Type: |
WN;SO;BL;SW;PL;THRD... |
| Facing: |
RF;RTJ;FF;FM;M;T;G;... |
| Pressure: |
Standard |
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!
3. SPECIFICATION DETAILS:
| Material |
Carbon steel |
ASTM A105, A350 LF1, LF2, LF3, LF6, CL1/CL2,; A694 F52, F60, F65, F70; A516 Gr. 60, 70; BS-EN 10222-2 P245GH, P280GH; EN10222-4 P355NH, P355QH; EN10273 P250GH, P265GH; DIN 17243 C22.8; VD-TUEV350/3 C21; GB/T 1591 Q345B, Q420B; NB/T 47008 16Mn,20#; BS 10250-2 S235JRG2; |
| Stainless steel |
ASTM A182 F304/304L, F316/316L, F316H, F304H, F321H, F310, F316Ti;
NB/T 47010 S30403, S30408, S31603, S31608, S32168;
BS-EN 10222-5 1.4301, 1.4307, 1.4404, 1.4541, 1.4571; |
| Alloy steel |
ASTM A182 F95, F9, F11, F12, F22,F91,F51,F53,F55,F60,F44,etc.
NB/T 47008 15CrMo, 12Cr1MoV, 1Cr5Mo;
GB/T 3077 42CrMo, 30CrMo, 35CrMo; |
| |
C-276/UNS N10276 |
ASTM B575/ASME SB-575,ASTM B574/ASME SB-574,ASTM B622/ASME SB-622,ASTM B619/ASME SB-619,ASTM B366/ASME SB-366,ASTM B564/ASME SB-564 |
Dimension Standard
(DN15-DN4000mm) |
ANSI & ASWE (class 150-2500) |
B16.5, B16.47, B16.48; |
| DIN (6-40bar) |
DIN2527, 2573, 2576, 2630-2638, 2627-2629, 2565-2569; |
| JIS (5K -30K) |
JIS B2202, 2210, 2220; |
| BS EN1092-1 (6-40Bar) |
type 01, type 02, type 03, type 04, type 05, type 11, type 12, type 13, type 21, etc. |
| others |
MSS SP44, AWWA C207, API 6A, API 16A, AS 2129, GB/T9119, JB/T 74, HG/T20592, 20615, SH 3406, Q/GDW 705, etc.. other equivalent standards, and customization with drawings; |
| TYPE |
1.Flat flange 2.Blind flange 3.Slip on 4.Lap joint flange 5.Welding neck Flange |
| 6.Socket welding 7.Threaded flange 8.Long welding neck flange. etc. |
| Connection |
Raised Face, Flat Face, Ring Type Joint, Lap-Joint Face, Large Male-Female, Small Male-Female, Large Tongue, Groove, Small-Tongue, Groove, etc |
| Size |
1/2"-100" |
| Package |
1.>Standard export packaging (Plywood Case Of Outside,Plastic Cloth Of Inside). |
| 2:As Customers' Requirements |
| Certificate |
TUV,ISO9001:2015; |
| Applications |
Water works, Shipbuilding industry, Petrochemical & Gas industry, Power industry, Valve industry,and general pipes connecting projects etc. |
5. Packages:
6. Quality Certificates:
7. Machineries and testing equipments
8. Our Team:
Audited Supplier 
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