Blind Flange, BL Flanges (DH030)

• Customization: Available
• Standard: ANSI, DIN, GB, JIS, GOST, BSW
• Type: Screw Connection
• Model NO.: DH030-10
• Material: Carbon Steel
• Manufacturing Way: Forging
• Transport Package: Plywood Case/Brandrith
• Specification: TUV NORD
• Trademark: DH
• Origin: China
• HS Code: 73079100
• Production Capacity: 1000 Tons Per Month

Product Description

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:


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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
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