Socket Weld Elbow
ASME B16.11 forged socket weld elbow is available in 90 degree and 45 degree that used to connect the ASME pipe to fittings or valves by fillet seal welding. The weight is light due to small size dimensions. And has varieties of features such as reliability, durability and dimensional precision. There are 3 pressure ratings that Class 3000, 6000 and 9000.
Class 3000 Elbow: for using with Sch 80 steel pipe.
Class 6000 Elbow: for matching with Sch 160 steel pipe.
Class 9000 Elbow: for connecting with Sch XXS steel pipe
Socket Weld Fittings are a family of high pressure forging fittings that used only in conjunction with ANSI Pipe and are available in the same size range.
Even though there are some similarities between the shapes of the two welds, but socket weld is still considered to be different from a fillet weld.
Specification of Socket Weld Fittings ASME B16.11
| Shape | Straight and Reducing Fittings |
| Size Range | 1/8" - 4" / DN6 - DN100 |
| Pressure Rating | Class 3000lbs, 6000lbs, 9000lbs |
| Standard | ASME B16.11, BS3799 |
| Carbon Steel | ASTM A105 / A105N, ASTM A350 LF2/LF3, A694 F42 / 46 / 56 / 60 / 65 |
| Alloy Steel | ASTM A182 F11 / F12 / F5 / F9 / F91 / F92 / F22 |
| Stainless Steel | ASTM A182 F304/304L/304H, F316/316L, F310S, F317, F347, F904L |
Marking and Inspection of Galvanized Socket Weld Elbow
Package of Socket Weld Elbow Fittings
Pack all SW elbows in cartons.
Stick label on all cartons.
Put cartons into wooden box.
Make shipping mark on wooden box.
ASME B16.11 Socket Weld Elbow Dimensions
| DN | NPS | B | G | C | |||||||
| 3000 | 6000 | 9000 | 3000 | 6000 | 9000 | ||||||
| ave | min | ave | min | ave | min | ||||||
| 6 | 1/8 | 10.9 | 2.41 | 3.15 | - | 3.18 | 3.18 | 3.96 | 3.43 | - | - |
| 8 | 1/4 | 14.3 | 3.02 | 3.68 | - | 3.78 | 3.30 | 4.60 | 4.01 | - | - |
| 10 | 3/8 | 17.7 | 3.20 | 4.01 | - | 4.01 | 3.50 | 5.03 | 4.37 | - | - |
| 15 | 1/2 | 21.9 | 3.73 | 4.78 | 7.47 | 4.67 | 4.09 | 5.97 | 5.18 | 9.53 | 8.18 |
| 20 | 3/4 | 27.3 | 3.91 | 5.56 | 7.82 | 4.90 | 4.27 | 6.96 | 6.04 | 9.78 | 8.56 |
| 25 | 1 | 34.0 | 4.55 | 6.35 | 9.09 | 5.69 | 4.98 | 7.92 | 6.93 | 11.38 | 9.96 |
| 32 | 11/4 | 42.8 | 4.85 | 6.35 | 9.70 | 6.07 | 5.28 | 7.92 | 6.93 | 12.14 | 10.62 |
| 40 | 11/2 | 48.9 | 5.08 | 7.14 | 10.15 | 6.35 | 5.54 | 8.92 | 7.80 | 12.70 | 11.12 |
| 50 | 2 | 61.2 | 5.54 | 8.74 | 11.07 | 6.93 | 6.04 | 10.92 | 9.50 | 13.84 | 12.12 |
| 65 | 21/2 | 73.9 | 7.01 | - | - | 8.16 | 7.62 | - | - | - | - |
| 80 | 3 | 89.9 | 7.62 | - | - | 9.52 | 8.30 | - | - | - | - |
| 100 | 4 | 115.5 | 8.56 | - | - | 10.69 | 9.35 | - | - | - | - |
1) The even thickness around the socket bore shall not be less than the average value, the thickness at partial areas can be the min. one.
2) Considering the tolerance of outside diameter of pipe, the diameters of some socket bore can be a little larger than the ones specified in B16.11.
3) When the sizes of the connecting pipes are not conformed to the ones specified in this catalog, the sizes of the connecting pipes shall be provided in the purchase specification.
4) When the fittings are reducing,the structure sizes shall be same as the ones of the straight fittings and B J D shall be machined per the according reducing ends.
5) Fitting can also be manufactured as the mixed connectings of SW and THRD.
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