ASME B16.9 WP316L SS 45 degree LR SR Elbow Butt Weld
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
Crafted from premium WP316L stainless steel, this versatile 45 elbow is designed for superior performance in corrosive and high-temperature environments. The precision-formed butt weld elbow ensures seamless integration into critical piping systems, with both long radius (LR) and short radius (SR) configurations available. Manufactured to ASME B16.9 standards, this durable 45 elbow guarantees perfect dimensional accuracy and optimal flow characteristics. The smooth interior surface of this butt weld elbow minimizes pressure drop and prevents contamination buildup. Ideal for chemical processing, pharmaceutical, and food grade applications, this reliable 45 elbow provides exceptional corrosion resistance and long-term service life. The robust butt weld elbow construction ensures leak-proof performance.
Key Features
- Premium Material: Manufactured from high-quality ASTM A403 WP316L stainless steel, offering superior corrosion resistance and low carbon content to prevent sensitization during welding.
- Precision Engineering: Fully compliant with ASME B16.9 standards, ensuring precise dimensions, wall thickness (SCH), and a perfect 45-degree angle for seamless flow.
- Durable Construction: Advanced Butt Weld design provides a leak-proof, high-strength connection suitable for high-pressure and high-temperature piping systems.
- Certified Quality: Produced in an ISO 9001:2015 certified facility. Full traceability with MTC (Material Test Certificate) and COC available upon request.
- Smooth Finish: Excellent surface finish to minimize turbulence and erosion within the pipeline.
Dimensions & Sizes

| NominalPipe Size(NPS) | OutsideDiameterAt Bevel(OD) | B | ||||
|---|---|---|---|---|---|---|
| Long Radius | Short Radius | |||||
| IN | MM | IN | MM | IN | MM | |
| 1/2 | 0.84 | 21.3 | 0.62 | 16 | - | 一 |
| 3/4 | 1.05 | 26.7 | 0.44 | 11 | - | 一 |
| 1 | 1.32 | 33.4 | 0.88 | 22 | 0.41 | 10 |
| 1-1/4 | 1.66 | 42.2 | 一 | 25 | 0.52 | 13 |
| 1-1/2 | 1.9 | 48.3 | 1.12 | 29 | 0.62 | 16 |
| 2 | 2.38 | 60.3 | 1.38 | 35 | 0.83 | 21 |
| 2-1/2 | 2.88 | 73.0 | 1.75 | 44 | 1.04 | 26 |
| 3 | 3.5 | 88.9 | 2 | 51 | 1.24 | 32 |
| 3-1/2 | 4 | 101.6 | 2.25 | 57 | 1.45 | 37 |
| 4 | 4.5 | 114.3 | 2.5 | 64 | 1.66 | 42 |
| 5 | 5.56 | 141.3 | 3.12 | 79 | 2.07 | 53 |
| 6 | 6.62 | 168.3 | 3.75 | 95 | 2.50 | 63 |
| 8 | 8.62 | 219.1 | 5 | 127 | 3.31 | 84 |
| 10 | 10.75 | 273.0 | 6.25 | 159 | 4.14 | 105 |
| 12 | 12.75 | 323.8 | 7.5 | 190 | 4.97 | 126 |
| 14 | 14 | 355.6 | 8.75 | 222 | 5.80 | 147 |
| 16 | 16 | 406.4 | 10 | 254 | 6.63 | 168 |
| 18 | 18 | 457 | 11.25 | 286 | 7.46 | 189 |
| 20 | 20 | 508 | 12.5 | 318 | 8.28 | 210 |
| 22 | 22 | 559 | 13.5 | 343 | 9.11 | 232 |
| 24 | 24 | 610 | 15 | 381 | 9.94 | 253 |
| 26 | 26 | 660 | 16 | 405 | 10.77 | 274 |
| 28 | 28 | 711 | 17.25 | 438 | 11.60 | 295 |
| 30 | 30 | 762 | 18.5 | 470 | 12.43 | 316 |
| 32 | 32 | 813 | 19.75 | 502 | 14.89 | 378 |
| 34 | 34 | 864 | 21 | 533 | 14.08 | 358 |
| 36 | 36 | 914 | 22.25 | 565 | 14.91 | 379 |
| 38 | 38 | 965 | 23.62 | 600 | 15.74 | 400 |
| 40 | 40 | 1016 | 24.88 | 632 | 16.57 | 421 |
| 42 | 42 | 1067 | 26 | 660 | 17.40 | 442 |
| 44 | 44 | 1118 | 27.38 | 695 | 18.23 | 463 |
| 46 | 46 | 1168 | 28.62 | 727 | 19.05 | 484 |
| 48 | 48 | 1219 | 29.88 | 759 | 19.88 | 505 |
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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