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GB/T 12459-2025 Active
GB/T 12459-2025 Steel buttwelding piping fittings—Types and parameters
Abstract
This document specifies the types and designations of steel butt-welded pipe fittings with diameters ranging from DN 8 to DN 3400 (NPS 1/4 to NPS 136), the pressure design of the fittings, their dimensions, surface profiles, end bevels, tolerances, markings, and product quality certificates.
This document applies to steel butt-welded seamless and welded pipe fittings. For fittings made from other metal materials, this document can be used as a reference for their application.
General Product Information
| Document Type | National standards |
|---|---|
| Standard Status | Active |
| Standard Code | GB/T 12459-2025 |
| CCS | Piping accessories |
| ICS | Flanges, pipe joints, and connectors |
| Implement Date | 2026-05-01 |
Price
$ 195
Subtotal
$ 195
Tax
$ 0.00
Order Total (incl. tax)
$ 195