Flanges & Gaskets
Carbon Steel Weld Neck Flange ASME B16.5
Forged carbon steel WN flange per ASTM A105. Class 150–2500, raised face or RTJ. Full material traceability.
Origin: Made in China
Lead Time: 15–30 days
Payment: T/T · L/C
CLASS CERTIFICATES — ISSUED TO THE MANUFACTURER:
CCS
BV
ABS
Supplied where the vessel's class requires it. The approval is held by the manufacturer and the certificate is passed to the buyer with the goods.
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Full Specifications
| Standard | ASTM A105 / ASME B16.5 |
|---|---|
| Type | Weld Neck (WN) |
| Size Range | DN15 – DN600 |
| Pressure Class | Class 150 – 2500 |
| Face Type | RF / RTJ |
| Certificate | EN 10204 3.1 |
| Classification | ASTM / ASME |
| HS Code | 7307.91 |
Description
Hicool supplies ASTM A105 carbon steel weld neck flanges with raised face (RF) conforming to ASME B16.5 for high-integrity pipe connections. The long tapered hub provides reinforcement and reduces stress concentration at the flange-pipe junction. Available in Class 150 to 2500, sizes 1/2″ to 24″ NPS. Bore matched to pipe schedule upon request. Supplied with ASME B16.5 dimensional compliance, pressure-temperature ratings, and full MTRs. Suitable for refinery, power, and chemical processing applications.