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Brand Name : XF
Model Number : XinFeng Flange
Place of Origin : Hebei . CHINA
Certification : ISO9001.PED
MOQ : 1Ton
Price : negotiable
Packaging Details : PLYWOODEN CASES / PALLET
Delivery Time : 15-45 DAYS
Payment Terms : L/C, D/A, D/P, T/T
Supply Ability : 1000-5000 TONS/MONTH
Connection Type : Welding Neck, Slip On, Blind, Socket Welding, Threaded
Application : Petroleum, Chemical, Power, Gas, Metallurgy, Shipbuilding, Construction, Etc.
Flange Type : WN,SO,PL,BL,SW,LF/SE,TH
Certificate : ISO, CE, API, BV, Etc.
Process : Forged
Package : Wooden Cases, Pallets, Etc.
Size : DN15-DN2000, DN15, DN20, DN25, DN32, DN40, DN50, DN65, DN80, DN100, DN125, DN150, DN200, DN2000
Sealing Surface : RF,FF. Black Paint, Yellow Paint,transparent Paint, Cold And Hot Dip Galvanize
| Parameter | Description |
|---|---|
| Type | Blind Flange (also known as Blank Flange) |
| Sizes | Customizable based on nominal pipe size (NPS) |
| Specifications | As per client requirements or standard dimensions |
| Standard | BS 4504 |
| Material | Carbon Steel, Stainless Steel (e.g., 304, 316), or other alloys |
| Surface Treatment | As-forged, galvanized, painted, or coated with anti-corrosive material |
| Property | Typical Requirements |
|---|---|
| Tensile Strength | Typically above 400 MPa, depending on material grade |
| Yield Strength | Typically above 240 MPa |
| Elongation | ≥20% for most material grades |
| Hardness | Varies depending on heat treatment and material grade |
| Pressure Class | Description |
|---|---|
| PN10 | 10 bar (145 psi) |
| PN16 | 16 bar (232 psi) |
| PN25 | 25 bar (362 psi) |
| PN40 | 40 bar (580 psi) |
| Element | Typical Range (%) for Carbon Steel | Typical Range (%) for Stainless Steel 304 | Typical Range (%) for Stainless Steel 316 |
|---|---|---|---|
| Carbon | 0.15 - 0.30 | ≤0.08 | ≤0.08 |
| Manganese | 0.50 - 1.60 | ≤2.00 | ≤2.00 |
| Phosphorus | ≤0.045 | ≤0.045 | ≤0.045 |
| Sulfur | ≤0.045 | ≤0.030 | ≤0.020 |
| Silicon | ≤0.30 | ≤1.00 | ≤1.00 |
| Chromium | - | 18.0 - 20.0 | 16.0 - 18.0 |
| Nickel | - | 8.0 - 10.5 | 10.0 - 14.0 |
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BS 4504 PN10 PN16 PN25 PN40 Standard Blind Flange Images |