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1. Pipe Flange Technical Parameters
2. Pipe Flange Showcase

3. Pipe Flange Production Facility

4. Pipe Flange Quality Control

5. Pipe Flange Packing and Transportation

6. Chengdu Derbo Steel Service

Chengdu Derbo Steel has been focused on pipe flanges for project applications for over 10 years, offering high-quality products at competitive prices. We have successfully partnered with global companies such as Shell and Lukoil in the oil and gas sector. If you have any inquiries about our products, feel free to contact us. We will provide you with the most competitive quotation and professional technical support.
- Model No.: Wn So Bl Rtj RF Forged Pipe Flange
- Type: Welded Neck, Socket, Threaded, Blind, Lap Joint, etc.
- Structure: Round
- Sealing Surface: FF, RF, RTJ, etc.
- Kind: SO, WN, Lap Joint, Blind, Socket, Threaded, etc.
- Application: Pipe Connection
- Transport Package: Wooden Case / Pallet
- Origin: Hebei Province, China
- Standard: ANSI, DIN, GB, JIS, GOST
- Material: Carbon Steel, Stainless Steel, Alloy Steel
- Connection: Welded, SW, SO, Threaded
- Manufacturing Way: Forging
- Surface Treatment: Painting, Oiled, Galvanized, etc.
- Trademark: Derbo / OEM / ODM
- Specification: 1/2 Inch – 72 Inch
- HS Code: 3917400000
1. Pipe Flange Technical Parameters
Steel Flanges | ||
Material | Carbon steel | ASTM A105, ASTM A350 LF1, LF2, CL1/CL2, A234, S235JRG2, P245GH |
P250GH, P280GH, M16MN, 20MN | ||
Stainless steel | ASTM A182, F304/304L, F316/316L, etc. | |
Alloy steel | ASTM A182 F12, F11, F22, F5, F9, F91, etc. | |
Standard | ANSI | Class 150 Flanges – Class 3000 Flanges |
DIN | 6 Bar, 10 Bar, 16 Bar, 25 Bar, 40 Bar, etc. | |
JIS | 5K Flanges – 20K Flanges | |
UNI | 6 Bar, 10 Bar, 16 Bar, 25 Bar, 40 Bar, etc. | |
EN | 6 Bar, 10 Bar, 16 Bar, 25 Bar, 40 Bar, etc. | |
Type | 1. Welding Neck Flange, 2. Slip On | |
3. Blind Flange, 4. Long Welding Neck Flange | ||
5. Lap Joint Flange, 6. Socket Welding | ||
7. Threaded Flange, 8. Flat Flange | ||
Surface | Anti-rust oil, clear lacquer, black lacquer, yellow lacquer, hot-dipped galvanized, electro-galvanized | |
Connection | Welding, Threaded, Socket, Lap Joint, etc. | |
Technical | Forged | |
Size | DN10 – DN3600 | |
Package | 1. Standard export packaging (Plywood Case of Outside, Plastic Cloth of Inside). 2. As per customer requirements |
|
Heat Treatment | Normalizing, Annealing, Quenching + Tempering | |
Certificate | TUV, ISO9001:2008; PED97/23/EC, ISO14001:2004, OHSAS18001:2007 | |
Applications | Waterworks, Shipbuilding industry, Petrochemical & Gas industry, Power industry, Valve industry, and general pipe connecting projects, etc. |

3. Pipe Flange Production Facility

4. Pipe Flange Quality Control

5. Pipe Flange Packing and Transportation

6. Chengdu Derbo Steel Service

Chengdu Derbo Steel has been focused on pipe flanges for project applications for over 10 years, offering high-quality products at competitive prices. We have successfully partnered with global companies such as Shell and Lukoil in the oil and gas sector. If you have any inquiries about our products, feel free to contact us. We will provide you with the most competitive quotation and professional technical support.
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