We manufacture and export steel flanges in carbon steel, alloy steel and stainless steel, from DN15 to DN4000, pressure ratings from PN0.6 to PN160. GB-standard flanges and non-standard flanges to customer drawings. Every flange is marked with size, pressure rating and material for traceability.
| Standard | Size Range | Pressure Rating | Typical Material |
|---|---|---|---|
| GB/T 9112–9124 | DN15–DN4000 | PN0.6–PN160 | 20#, Q235B, 304, 316L |
| Non-standard | Per customer drawings | Per drawing | Carbon / alloy / stainless steel |
Other standards available on request. If your standard or size is not listed, please contact us with your specification.
Surface: Anti-rust oil. Packaging: Wooden cases. Delivery: from Tianjin Xingang Port, 150 km from our factory; in-stock sizes dispatched quickly.
