American welding neck flange (WN flange)
Pipe Steel Industries offers American welding neck flange (WN flange) as part of our steel pipe fittings and flanges sourcing range. Use the technical options below to prepare your project enquiry.
Selection details: standards: ASME B16.5, GB/T 9124.2; materials: Forged carbon steel ASTM A105, Forged SS ASTM A182, F304 / F316L.
Confirm the exact model, dimensions, working conditions and required approvals with our sales team before ordering. Model-specific certificates and availability are verified with the quotation.
Request a Quotation for American welding neck flange (WN flange)Email a product-specific RFQ
Technical Specifications
| Property | Details |
|---|---|
| Standard | ASME B16.5, GB/T 9124.2 |
| Material | Forged carbon steel ASTM A105, Forged SS ASTM A182, F304 / F316L |
| Flange facing | FF / RF |
| Rated pressure | Class 150 / 300, etc. |
| Surface | Oiled / hot dip galvanized, Pickling white, etc. |
Sizes & Technical Data
Reference options for product selection. Confirm the exact dimensions, model and project approvals with your quotation.
| Size | Flange OD O (mm) | Bolt circle dia. W (mm) | Bolting (No. x hole) | Ref. No. |
|---|---|---|---|---|
| 1/2″ / DN15 / 21.3mm | 90 | 60.3 | 4 x 5/8″ | N8601-150 |
| 3/4″ / DN20 / 26.7mm | 100 | 69.9 | 4 x 5/8″ | N8602-150 |
| 1″ / DN25 / 33.4mm | 110 | 79.4 | 4 x 5/8″ | N8603-150 |
| 1-1/4″ / DN32 / 42.2mm | 115 | 88.9 | 4 x 5/8″ | N8604-150 |
| 1-1/2″ / DN40 / 48.3mm | 125 | 98.4 | 4 x 5/8″ | N8605-150 |
| 2″ / DN50 / 60.3mm | 150 | 120.7 | 4 x 3/4″ | N8606-150 |
| 2-1/2″ / DN65 / 73.0 / 76.1mm | 180 | 139.7 | 4 x 3/4″ | N8607-150 |
| 3″ / DN80 / 88.9mm | 190 | 152.4 | 4 x 3/4″ | N8608-150 |
| 4″ / DN100 / 114.3mm | 230 | 190.5 | 8 x 3/4″ | N8609-150 |
| 5″ / DN125 / 141.3mm | 255 | 215.9 | 8 x 7/8″ | N8610-150 |
| 6″ / DN150 / 165.1 / 168.3mm | 280 | 241.3 | 8 x 7/8″ | N8611-150 |
| 8″ / DN200 / 219.1mm | 345 | 298.5 | 8 x 7/8″ | N8612-150 |
| 10″ / DN250 / 273.0mm | 405 | 362.0 | 12 x 1″ | N8613-150 |
| 12″ / DN300 / 323.8mm | 485 | 431.8 | 12 x 1″ | N8614-150 |
| 14″ / DN350 / 355.6mm | 535 | 476.3 | 12 x 1-1/8″ | N8615-150 |
Applications
- Steel Pipe Flanges procurement
- Steel Pipe Fittings and Flanges project packages
Finishes & Options
- Specify size, connection, material and quantity in your enquiry.
- Request model-specific documentation and destination-port delivery terms.
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