Home / Products / Butt-Welding Fittings / ANSI/ASME B16.9 180° Long Radius Elbow
We are a leading professional manufacturer of Stainless Steel, Nickel Alloy, Copper Alloy, Carbon Steel, Alloy Steel Butt Weld Pipe Fittings according to ANSI/ASME B16.9 180° Long Radius Elbow Standard, DIN and JIS Standard.
ANSI/ASME B16.9 180° Long Radius Elbow
| Standards: | ANSI - B 16.9 ASTM A403 - ASME SA403 - 'Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings' API 590-605 ASME B16.9 - 'Factory-Made Wrought Buttwelding Fittings'' ASME B16.25 - 'Buttwelding Ends' ASME B16.28 - 'Wrought Steel Buttwelding Short Radius Elbows and Returns' MSS SP-43 - 'Wrought and Fabricated Butt-Welding Fittings for Low Pressure, Corrosion Resistant Applications' |
| Schedule: | Sch 5 TO Sch XXS. |
| Sizes: | Diameters - from 21,3 to 711 mm. Wall Thickness - from 2 to 40 mm. |
| Materials: | Monel, Nickel, Inconel, Hastalloy, Titanium, Tantalum, Stainless Steel, Alloy Steel, Carbon Steel, Cupro-Nickel 90/10 & 70/30 Stainless Steel ASME / ASTM SA / A403 SA / A 774 WP-S, WP-W, WP-WX, 304, 304L, 316, 316L, 304/304L, 316/316L, DIN 1.4301, DIN1.4306, DIN 1.4401, DIN 1.4404 |
| Type: | Butt Weld (BW) |
| Thickness: | Schedule 5S, 10S, 20S, S10, S20, S30, STD, 40S, S40, S60, XS, 80S, S80, S100, S120, S140, S160, XXS and etc. |
| Dimension: | ANSI B16.9, ANSI B16.28, MSS-SP-43 Type A, MSS-SP-43 Type B, JIS B2312, JIS B2313 |
Dimensions
Nom.
Pipe
Size |
Pipe
Sched.
or No. |
Center-
to-Center
Dimen. |
Back-
to-
Face |
Outside
Dia. |
Inside
Dia. |
Wall
Thick. |
Approx.
Weight
(lb.) |
| H | J | OD | ID | T | |||
| STANDARD WEIGHT | |||||||
| 1/2 | 40 | 3 | 1 7/8 | 0.840 | 0.622 | 0.109 | 0.3 |
| 3/4 | 40 | 2 1/2 | 1 11/16 | 1.050 | 0.824 | 0.113 | 0.3 |
| 1 | 40 | 3 | 2 3/16 | 1.315 | 1.049 | 0.133 | 0.7 |
| 1 1/4 | 40 | 3 3/4 | 2 3/4 | 1.660 | 1.380 | 0.140 | 1 |
| 1 1/2 | 40 | 4 1/2 | 3 1/4 | 1.900 | 1.610 | 0.145 | 1.5 |
| 2 | 40 | 6 | 4 3/16 | 2.375 | 2.067 | 0.154 | 3 |
| 2 1/2 | 40 | 7 1/2 | 5 3/16 | 2.875 | 2.469 | 0.203 | 6 |
| 3 | 40 | 9 | 6 1/4 | 3.500 | 3.068 | 0.216 | 9 |
| 3 1/2 | 40 | 10 1/2 | 7 1/4 | 4.000 | 3.548 | 0.226 | 12 |
| 4 | 40 | 12 | 8 1/4 | 4.500 | 4.026 | 0.237 | 17 |
| 5 | 40 | 15 | 10 5/16 | 5.563 | 5.047 | 0.258 | 28 |
| 6 | 40 | 18 | 12 5/16 | 6.625 | 6.065 | 0.280 | 46 |
| 8 | 40 | 24 | 16 5/16 | 8.625 | 7.981 | 0.322 | 90 |
| 10 | 40 | 30 | 20 3/8 | 10.750 | 10.020 | 0.365 | 156 |
| 12 | - | 36 | 24 3/8 | 12.750 | 12.000 | 0.375 | 236 |
| 14 | 30 | 42 | 28 | 14.000 | 13.250 | 0.375 | 294 |
| 16 | 30 | 48 | 32 | 16.000 | 15.250 | 0.375 | 404 |
| 18 | - | 54 | 36 | 18.000 | 17.250 | 0.375 | 512 |
| 20 | 20 | 60 | 40 | 20.000 | 19.250 | 0.375 | 617 |
| 24 | 20 | 72 | 48 | 24.000 | 23.250 | 0.375 | 886 |
| EXTRA STRONG | |||||||
| 1/2 | 80 | 3 | 1 7/8 | 0.840 | 0.546 | 0.147 | 0.5 |
| 3/4 | 80 | 2 1/2 | 1 11/16 | 1.050 | 0.742 | 0.154 | 0.5 |
| 1 | 80 | 3 | 2 3/16 | 1.315 | 0.957 | 0.179 | 1 |
| 1 1/4 | 80 | 3 3/4 | 2 3/4 | 1.660 | 1.278 | 0.191 | 1.5 |
| 1 1/2 | 80 | 4 1/2 | 3 1/4 | 1.900 | 1.500 | 0.200 | 2 |
| 2 | 80 | 6 | 4 3/16 | 2.375 | 1.939 | 0.218 | 4 |
| 2 1/2 | 80 | 7 1/2 | 5 3/16 | 2.875 | 2.323 | 0.276 | 7.5 |
| 3 | 80 | 9 | 6 1/4 | 3.500 | 2.900 | 0.300 | 12 |
| 3 1/2 | 80 | 10 1/2 | 7 1/4 | 4.000 | 3.364 | 0.318 | 17 |
| 4 | 80 | 12 | 8 1/4 | 4.500 | 3.826 | 0.337 | 23 |
| 5 | 80 | 15 | 10 5/16 | 5.563 | 4.813 | 0.375 | 40 |
| 6 | 80 | 18 | 12 5/16 | 6.625 | 5.761 | 0.432 | 67 |
| 8 | 80 | 24 | 16 5/16 | 8.625 | 7.625 | 0.500 | 138 |
| 10 | 60 | 30 | 20 3/8 | 10.750 | 9.750 | 0.500 | 215 |
| 12 | - | 36 | 24 3/8 | 12.750 | 11.750 | 0.500 | 300 |
| 14 | - | 42 | 28 | 14.000 | 13.000 | 0.500 | 376 |
| 16 | 40 | 48 | 32 | 16.000 | 15.000 | 0.500 | 524 |
| 18 | - | 54 | 36 | 18.000 | 17.000 | 0.500 | 676 |
| 20 | 30 | 60 | 40 | 20.000 | 19.000 | 0.500 | 824 |
| 24 | - | 72 | 48 | 24.000 | 20.000 | 0.500 | 1183 |
ELBOWS - Ansi 16.9 tolerances
| DIMENSIONAL TOLERANCES - ELBOWS | |||||||
| For all fittings | Elbows 90/45 deg | 180° Returns | |||||
| Nominal Pipe Size (NPS) | Outside Ø at Bevel |
Inside Ø at End |
Wall Thickness t / t1 |
Center to End Dim. A-B-C-M | Center to Center Dim. O |
Back to Face Dim. K |
Align- ment of Ends U |
| 1/2 a 2 1/2 | 1 | 0,8 | Not | 2 | 7 | 7 | 1 |
| 3 a 3 1/2 | 1 | 1,6 | less | 2 | 7 | 7 | 1 |
| 4 | +2 -1 | 1,6 | than | 2 | 7 | 7 | 1 |
| 5 a 6 | +3 -1 | 1,6 | 87,50% | 2 | 7 | 7 | 1 |
| 8 | 2 | 1,6 | of nominal | 2 | 7 | 7 | 1 |
| 10 | +4 -3 | 3,2 | tickness | 2 | 7 | 7 | 2 |
| 12 a 18 | +4 -3 | 3,2 | 3 | 10 | 7 | 2 | |
| 20 a 24 | +6 -5 | 4,8 | 3 | 10 | 7 | 2 | |
| 26 a 30 | +7 -5 | 4,8 | 3 | ..... | ..... | ..... | |
| 32 a 48 | +7 -5 | 4,8 | 5 | ..... | ..... | ..... | |
| Angularity Tolerances | ||
| ND | Max off angle | Max off plane |
| Q | P | |
| 1/2 a 4 | 1 | 2 |
| 5 a 8 | 2 | 4 |
| 10 a 12 | 3 | 5 |
| 14 a 16 | 3 | 7 |
| 18 a 24 | 4 | 10 |
| 26 a 30 | 5 | 10 |
| 32 a 42 | 5 | 13 |
| 44 a 48 | 5 | 20 |
ELBOWS - End welding bevels
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