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**100NB A105 WN Schedule 40 Pipe Fittings Flange**
**Flange Technical Parameters**
Steel flanges are essential components in piping systems, designed for secure and reliable connections. They are available in a wide range of materials, standards, and types to suit different applications. Below is a detailed overview of the technical specifications and features of the 100NB A105 WN Schedule 40 pipe fittings flange.
**Material**
- **Carbon Steel**: ASTM A105, ASTM A350 LF1/LF2, CL1/CL2, A234, S235JRG2, P245GH, P250GH, P280GHM, 16MN, 20MN, 20#
- **Stainless Steel**: ASTM A182, F304/304L, F316/316L
- **Alloy Steel**: ASTM A182, F12, F11, F22, F5, F9, F91, etc.
**Standards**
- ANSI: Class 150 Flanges – Class 2500 Flanges
- DIN: 6Bar, 10Bar, 16Bar, 25Bar, 40Bar
- JIS: 5K Flanges – 20K Flanges
- UNI: 6Bar, 10Bar, 16Bar, 25Bar, 40Bar
- EN: 6Bar, 10Bar, 16Bar, 25Bar, 40Bar
**Types**
- Welding Neck Flange
- Slip On Flange
- Blind Flange
- Long Welding Neck Flange
- Lap Joint Flange
- Socket Welding Flange
- Threaded Flange
- Flat Flange
**Surface Finish**
- Anti-rust oil
- Clear lacquer
- Black lacquer
- Yellow lacquer
- Hot-dipped galvanized
- Electro-galvanized
**Connection Types**
- Welding
- Threaded
**Manufacturing Process**
- Forged
- Casted
**Size Range**
- DN10 – DN3600
**Packaging**
- Standard export packaging (Plywood case on the outside, plastic cloth inside)
- Custom packaging as per customer requirements
**Heat Treatment**
- Normalizing
- Annealing
- Quenching + Tempering
**Certifications**
- TUV
- ISO 9001:2008
- PED 97/23/EC
- ISO 14001:2004
- OHSAS 18001:2007
**Applications**
- Water supply systems
- Shipbuilding industry
- Petrochemical and gas industry
- Power generation industry
- Valve industry
- General piping connection projects
**Flange Showcase**
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**Flange Production Facility**
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**Flange Quality Control**
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**Quality Assurance**
Our flanges undergo rigorous testing and quality control to ensure they meet international standards. From material selection to final inspection, every step is carefully monitored to guarantee performance, durability, and safety.
**Our Service**
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At Chengdu Derbo Steel, we have been providing high-quality pipe and tube solutions for over 10 years. With a focus on reliability, cost-effectiveness, and customer satisfaction, we have successfully partnered with renowned companies such as Shell and Lukoil across the globe.
If you have any questions about our products or need a custom solution, feel free to contact us. We are committed to offering competitive pricing, technical support, and timely delivery to meet your project needs. Let us help you find the right flange for your application.
September 17, 2025