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ASTM A234 Grade WP11 ASME B16.9 BW L/R 90 DEG Alloy Steel Butt Welding Elbow 90 Degree
Alloy steel fittings are alloyed with a range of alloys. The content of alloys determines the properties and corrosion resistance properties of the fitting. The higher the alloying elements greater are its properties. The fittings in this grade have primary alloys of iron and carbon. The high-strength fittings play a pivotal role in influencing the characteristics of the flow across stress-induced systems
Product Information
| Product Name | ASTM A234 Grade WP11 ASME B16.9 BW L/R 90 DEG Alloy Steel Butt Welding Elbow 90 Degree |
| Size Range | 1/2” to 48” |
| Wall Thickness | Sch5S to XXS |
| Standards | ASTM A234 MSS SP-75 |
| Grade | WP11 |
| Manufacturing Standards | ASME B16.9 |
ASTM A234 Gr WP11 Material Chemical Composition (%)
| Si | S | Mn | P | C | Mo | Cr | Ni | Cu | |
| WP11 CL1 | 0.5-1 | 0.03 | 0.3-0.6 | 0.03 | 0.05-0.15 | 0.44-0.65 | 1-1.5 | ||
| WP11 CL2 | 0.5-1 | 0.04 | 0.3-0.8 | 0.04 | 0.05-0.2 | 0.44-0.65 | 1-1.5 | ||
| WP11 CL3 | 0.5-1 | 0.04 | 0.3-0.8 | 0.04 | 0.05-0.2 | 0.44-0.65 | 1-1.5 |
ASME B16.9 L/R Elbow Dimensions
The ASME B16.9 elbow is used when a pipe changes direction. Elbows can turn up, turn down, turn left, right, or any angle in between. The long radius (L/R) elbows denote elbows with the center-to-end dimension of 1.5D radius which equals to 1.5 x NPS in inch unit. The standard long radius elbows of ASME B16.9 can be further classified as 90° and 45° according to the angle of the flow-direction change.
| NPS | O.D mm inch | A mm inch | B mm inch |
| 1/2 | 21.3 0.84 | 38 1.50 | 16 0.62 |
| 3/4 | 26.7 1.05 | 38 1.50 | 19 0.75 |
| 1 | 33.4 1.32 | 38 1.50 | 22 0.88 |
| 1-1/4 | 42.2 1.66 | 48 1.88 | 25 1.00 |
| 1-1/2 | 48.3 1.90 | 57 2.25 | 29 1.12 |
| 2 | 60.3 2.38 | 76 3.00 | 35 1.38 |
| 2-1/2 | 73.0 2.88 | 95 3.75 | 44 1.75 |
| 3 | 88.9 3.50 | 114 4.50 | 51 2.00 |
| 3-1/2 | 101.6 4.00 | 133 5.25 | 57 2.25 |
| 4 | 114.3 4.50 | 152 6.00 | 64 2.50 |
| 5 | 141.3 5.56 | 190 7.50 | 79 3.12 |
| 6 | 168.3 6.62 | 229 9.00 | 95 3.75 |
| 8 | 219.1 8.62 | 305 12.00 | 127 5.00 |
| 10 | 273.0 10.75 | 381 15.00 | 159 6.25 |
| 12 | 323.8 12.75 | 457 18.00 | 190 7.50 |
| 14 | 355.6 14.00 | 533 21.00 | 222 8.75 |
| 16 | 406.4 16.00 | 610 24.00 | 254 10.00 |
| 18 | 457.0 18.00 | 686 27.00 | 286 11.25 |
| 20 | 508.0 20.00 | 762 30.00 | 318 12.50 |
| 22 | 559.0 22.00 | 838 33.00 | 343 13.50 |
| 24 | 610.0 24.00 | 914 36.00 | 381 15.00 |
| 26 | 660.0 26.00 | 991 39.00 | 406 16.00 |
| 28 | 711.0 28.00 | 1067 42.00 | 438 17.25 |
| 30 | 762.0 30.00 | 1143 45.00 | 470 18.50 |
| 32 | 813.0 32.00 | 1219 48.00 | 502 19.75 |
| 34 | 864.0 34.00 | 1295 51.00 | 533 21.00 |
| 36 | 914.0 36.00 | 1372 54.00 | 565 22.25 |
| 38 | 965.0 38.00 | 1448 57.00 | 600 23.62 |
| 40 | 1016.0 40.00 | 1524 60.00 | 632 24.88 |
| 42 | 1067.0 42.00 | 1600 63.00 | 660 26.00 |
| 44 | 1118.0 44.00 | 1676 66.00 | 695 27.38 |
| 46 | 1168.0 46.00 | 1753 69.00 | 727 28.62 |
| 48 | 1219.0 48.00 | 1829 72.00 | 759 29.88 |
*NPS: Nominal Pipe Size; O.D: Outside Diameter at Bevel; A: Center-to- End, 90-deg Elbows; B: Center-to- End, 45-deg Elbows.
