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A182 F22 Alloy Steel Wn Flange/Weld Neck Flange
**Product Specifications:**
- **Model No.:** A182 F22
- **Type:** Welding Flange
- **Structure:** Flanges
- **Sealing Surface:** Raised Face (RF)
- **Shape:** Round
- **Surface Treatment:** Oiled, Coated, Painted
- **Trademark:** Chengdu Derbo Steel
- **Specification:** CE, SGS, ISO
- **HS Code:** 7307110000
- **Standard:** ANSI, DIN, GB, JIS, GOST
- **Material:** Alloy Steel
- **Connection:** Welding
- **Manufacturing Way:** Forging
- **Size Range:** ½" to 48"
- **Pressure Rating:** Class 150 to Class 3000
- **Transport Package:** Wooden Cases or as per customer requirements
- **Origin:** Chengdu, Sichuan Province
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**A182 F22 Alloy Steel Weld Neck Flange / Pipe Flange Details**
This product is a high-quality alloy steel welding flange designed for industrial piping systems. It is manufactured using advanced forging techniques and meets international standards such as ANSI, DIN, GB, JIS, and GOST. The flange features a raised face sealing surface, ensuring a secure and leak-proof connection.
**Material Options:**
- **Carbon Steel:** ASTM A105, A350 LF1/LF2, CL1/CL2, A234, S235JRG2, P245GH, P250GH, P280GHM, 16MN, 20MN, 20#
- **Stainless Steel:** ASTM A182, F304/F304L, F316/F316L
- **Alloy Steel:** ASTM A182 F12, F11, F22, F5, F9, F91, etc.
**Standards:**
- **ANSI:** Class 150 to Class 2500
- **DIN:** 6Bar, 10Bar, 16Bar, 25Bar, 40Bar
- **JIS:** 5K to 20K
- **UNI:** 6Bar, 10Bar, 16Bar, 25Bar, 40Bar
- **EN:** 6Bar, 10Bar, 16Bar, 25Bar, 40Bar
**Types Available:**
1. Welding Neck Flange
2. Slip On Flange
3. Blind Flange
4. Long Welding Neck Flange
5. Lap Joint Flange
6. Socket Welding Flange
7. Threaded Flange
8. Flat Flange
**Surface Finish Options:**
- Anti-rust oil
- Clear lacquer
- Black lacquer
- Yellow lacquer
- Hot-dipped galvanized
- Electro-galvanized
**Connection Types:**
- Welding
- Threaded
- Socket
**Technical Process:**
- Forged
- Cast
**Size Range:**
- DN10 to DN3600
**Packaging:**
- Standard export packaging (Plywood case on the outside, plastic cloth inside)
- Custom packaging available upon request
**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
- Valve manufacturing
- General piping projects
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**Quality Control**
Our quality control department is staffed by experienced technicians who monitor every stage of production, from raw material selection to finished products. This ensures that all products meet the highest quality standards before they reach our customers.
**Packaging & Delivery**
- **Packaging:** Wooden cases, wooden pallets, or customized packaging based on customer requirements
- **Delivery Time:** 7–25 days after order confirmation
We welcome any inquiries you may have and are happy to assist you with your needs. Please feel free to contact us without hesitation if you're interested in our products. We look forward to providing you with excellent service and reliable solutions.