GB12459 90° Elbow Stainless Steel Butt Weld Pipe Fittings DN15-1200
Material Standard: ASTM A403
Material Construction: Welded
Manufacturing Facility Standard: ISO 9001:2015 , GB/T19001-2016
Certification: Material Test Reports (MTRS) and Certificates of Conformity (COC) are available upon request.
Product Overview
This precision stainless steel 90 elbow provides reliable directional changes for industrial piping systems across a comprehensive size range. The durable butt weld 90 design ensures smooth flow transition with minimal pressure loss, manufactured to GB12459 standards for consistent quality. Available from DN15 to DN1200, this robust stainless steel 90 elbow guarantees excellent corrosion resistance and long-term performance in demanding environments. The butt weld 90 configuration facilitates permanent, leak-proof connections through seamless welding integration. Ideal for chemical processing, petroleum, and power generation applications, this high-quality stainless steel 90 elbow delivers superior performance where directional changes and system integrity are essential requirements. The precision-formed butt weld 90 elbow maintains optimal flow characteristics for efficient operation.
Key Features
- Standard Compliance: Fully conforms to GB12459 and GB/T13401 technical specifications, ensuring precise dimensions and reliable performance for high-standard piping projects.
- Premium Material Quality: Manufactured using high-grade ASTM A403 stainless steel, offering exceptional resistance to corrosion, oxidation, and chemical wear.
- Precision 90° Directional Change: Specifically designed as a 90-degree elbow to provide efficient and stable flow redirection in complex industrial pipeline layouts.
- Durable Welded Construction: Features a robust butt weld design that provides a permanent, leak-proof, and high-strength connection suitable for high-pressure systems.
- Extensive Size Range: Supports a wide application scope with available sizes ranging from DN15 to DN1200, catering to both small-scale and large-scale industrial needs.
- Quality & Transparency: Produced under ISO 9001:2015 and GB/T19001-2016 quality management systems. Full documentation, including Material Test Reports (MTRS) and COC, is provided upon request.
Dimensions & Sizes

| Norminal Pipe size DN | Outside Diameter at Bevel D | F | ||
|---|---|---|---|---|
| Long Radius | Short Radius | |||
| 15 | 21.3 | 18 | 38 | |
| 20 | 26.9 | 25 | 38 | |
| 25 | 33.7 | 32 | 38 | 25 |
| 32 | 42.4 | 38 | 48 | 32 |
| 40 | 48.3 | 45 | 57 | 38 |
| 50 | 60.3 | 57 | 76 | 51 |
| 65 | 76.1(73) | 76 | 95 | 64 |
| 80 | 88.9 | 89 | 114 | 76 |
| 90 | 101.6 | - | 133 | 89 |
| 100 | 114.3 | 108 | 152 | 102 |
| 125 | 139.7 | 133 | 190 | 127 |
| 150 | 168.3 | 159 | 229 | 152 |
| 200 | 219.1 | 219 | 305 | 203 |
| 250 | 273.0 | 273 | 381 | 254 |
| 300 | 323.9 | 325 | 457 | 305 |
| 350 | 355.6 | 377 | 533 | 356 |
| 400 | 406.4 | 426 | 610 | 406 |
| 450 | 457.2 | 478 | 686 | 457 |
| 500 | 508.0 | 529 | 762 | 508 |
| 550 | 559 | 838 | 559 | |
| 600 | 610 | 630 | 914 | 610 |
| 650 | 660 | - | 991 | 660 |
| 700 | 711 | 720 | 1067 | 711 |
| 750 | 762 | - | 1143 | 762 |
| 800 | 813 | 820 | 1219 | 813 |
| 850 | 864 | - | 1295 | 864 |
| 900 | 914 | 920 | 1372 | 914 |
| 950 | 965 | - | 1448 | 965 |
| 1000 | 1016 | 1020 | 1524 | 1016 |
| 1050 | 1067 | - | 1600 | 1067 |
| 1100 | 1118 | 1120 | 1676 | 1118 |
| 1150 | 1168 | - | 1753 | 1168 |
| 1200 | 1220 | 1120 | 1829 | 1219 |
Why Shop With Us?
- Custom Sizes Available: Don’t see the size you need? Contact us for more information on custom orders and additional specifications.
- Fast Support: Have questions? Our technical team is ready to help. We aim to respond to all inquiries as quickly as possible.
- Quality Guaranteed: We stand behind the quality of our stainless steel hardware. Happy Shopping!
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