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Steel Piping Flanges is a type of steel ring used to connect various components in piping systems, such as pipes, pressure vessels, pumps, and valves. These flanges are created through a forging process, which enhances their strength and durability.
| Standard | ASTM / JIS / DIN / GB / GOST / EN |
| Grade | - USA (ASTM): ASTM A105, ASTM A350 LF2, ASTM A182 F304/F316 |
| - China (GB): GB 20#, GB 16Mn, GB 304, GB 316 | |
| - Japan (JIS): JIS S25C, JIS SCS13, JIS SCS14, JIS SF440A | |
| - Germany (DIN): DIN C22.8, DIN 1.0402, DIN 1.4301, DIN 1.4401 | |
| - Russia (GOST): GOST 20, GOST 20Ch, GOST 12Ch18N10T | |
| - EU (EN): EN P245GH, EN P280GH, EN 1.4301, EN 1.4401 | |
| Material | - Carbon Steel: A105, 20#, S25C, C22.8 |
| - Alloy & Stainless Steel: A182 F11/F22/F91, A182 F304/F316, 16Mn, 1.4301/1.4401 | |
| Sizes | Pressure Rating: Class 150 - Class 2500 |
| Nominal Diameter: 1/2" - 80" |
Robust forged structure ensures leak-proof connections in demanding services.
Withstands pipeline stress and vibration better than cast alternatives.
1. Piping Systems: Connections in oil & gas, chemical, and water pipelines.
2. Power Generation: High-pressure steam and fluid lines in plants.
