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Product Details:
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Connection Type: | Welding Neck, Slip On, Blind, Socket Welding, Threaded | Application: | Petroleum, Chemical, Power, Gas, Metallurgy, Shipbuilding, Construction, Etc. |
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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 |
High Light: | PN25 BS 4504 Blind Flange,PN10 BS 4504 Blind Flange,PN16 BS 4504 Blind Flange |
Parameter | Description |
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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 |
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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 |
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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 |
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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 |
Contact Person: Miss. Mandy Liu
Tel: 0086 18903173335
Fax: 86-0317-6853077-6723871