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Home / Products / Butt-Welding Fittings / ANSI/ASME B16.9 180° Short 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 ASTM ANSI B16.9 & B16.5 Standard, DIN and JIS Standard.
ANSI/ASME B16.9 180° Short 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
Dimensions Butt Weld Elbows 180° LR & SR ASME B16.9
| NPS |
O.D.
D |
180° Long Radius |
180° Short Radius |
Center to
Center
O |
Back to
Face
K |
Center to
Center
O |
Back to
Face
K |
| 1/2 |
21.3 |
76 |
48 |
- |
- |
| 3/4 |
26.7 |
76 |
51 |
- |
- |
| 1 |
33.4 |
76 |
56 |
51 |
41 |
| 1¼ |
42.2 |
95 |
70 |
64 |
52 |
| 1½ |
48.3 |
114 |
83 |
76 |
62 |
| 2 |
60.3 |
152 |
106 |
102 |
81 |
| 2½ |
73 |
190 |
132 |
127 |
100 |
| 3 |
88.9 |
229 |
159 |
152 |
121 |
| 3½ |
101.6 |
267 |
184 |
178 |
140 |
| NPS |
O.D.
D |
180° Long Radius |
180° Short Radius |
Center to
Center
O |
Back to
Face
K |
Center to
Center
O |
Back to
Face
K |
|
| NPS |
O.D.
D |
180° Long Radius |
180° Short Radius |
Center to
Center
O |
Back to
Face
K |
Center to
Center
O |
Back to
Face
K |
| 4 |
114.3 |
305 |
210 |
203 |
159 |
| 5 |
141.3 |
381 |
262 |
254 |
197 |
| 6 |
168.3 |
457 |
313 |
305 |
237 |
| 8 |
219.1 |
610 |
414 |
406 |
313 |
| 10 |
273 |
762 |
518 |
508 |
391 |
| 12 |
323.8 |
914 |
619 |
610 |
467 |
| 14 |
355.6 |
1067 |
711 |
711 |
533 |
| 16 |
406.4 |
1219 |
813 |
813 |
610 |
| 18 |
457 |
1372 |
914 |
914 |
686 |
| 20 |
508 |
1524 |
1016 |
1016 |
762 |
| 22 |
559 |
1676 |
1118 |
1118 |
838 |
| 24 |
610 |
1829 |
1219 |
1219 |
914 |
| NPS |
O.D.
D |
180° Long Radius |
180° Short Radius |
Center to
Center
O |
Back to
Face
K |
Center to
Center
O |
Back to
Face
K |
Dimensions are in millimeters unless otherwise indicated. Wall thickness (t) must be specified by customer.
Dimensional Tolerances of Butt Weld Elbows 180° LR and SR ASME B16.9
| Nominal Pipe Size |
1/2 to 2½ |
3 to 3½ |
4 |
5 to 8 |
10 to 18 |
20 to 24 |
Outside Diameter
at Bevel (D) |
+ 1.6
- 0.8 |
1.6 |
1.6 |
+ 2.4
- 1.6 |
+ 4
- 3.2 |
+ 6.4
- 4.8 |
| Inside Diameter at End |
0.8 |
1.6 |
1.6 |
1.6 |
3.2 |
4.8 |
| Center to Center (O) |
6 |
6 |
6 |
6 |
10 |
10 |
| Back to Face (K) |
6 |
6 |
6 |
6 |
6 |
6 |
| Wall Thickness (t) |
Not less than 87.5% of Nominal Wall Thickness |
Dimensional tolerances are in millimeters unless otherwise indicated and are equal ± except as noted.
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
Main Export Market
- Eastern Europe
- North America
- Mid East/Africa
- Central/South America
- Asia
- Western Europe
- Australasia
- UAE
Sales Locations
U.A.E,
Oman,
Saudi Arabia,
Qatar,
Bahrain,
Egypt,
Turkey
Singapore,
Thailand,
Malaysia
Indonesia
Poland
Italy
Portugal
Spain
Brazil
Chile
Venezuela
Costa Rica
USA
Canada
Angola
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Russia
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