Stainless Steel Threaded Union Specifications
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SS 304 Threaded Union Price List
Female NPT x Female NPT
| Size In Inch | Price In US$ (Dollar) per unit | Price in UAE Dirham (AED) per unit |
|---|---|---|
| 1/8 in x 1/8 in | US $ 0.82 | 3.01 |
| 1/4 in x 1/4 in | US $ 1.21 | 4.44 |
| 3/4 in x 3/4 in | US $ 1.54 | 5.66 |
| 1 1/2 in x 1 1/2 in | US $ 2.00 | 7.35 |
| 2 1/2 in x 2 1/2 in | US $ 4.28 | 15.72 |
| 3 1/2 in x 3 1/2 in | US $ 6.82 | 25.05 |
Most Popular Types Of ASME B16.11 Threaded Union
Galvanized Pipe Union
Galvanized Union Fitting
Natural Gas Union Fitting
Black Pipe Union Fitting
1 inch Copper Union
Brass Male Union
MSS SP-83 Union
Socket Weld Union
Socket Weld Pipe Union
Threaded Union Fitting
Bsp Union
Male Union Fitting
Female Union Fitting
Orbit 57184 Swivel Double Union
Swivel Union
Union Adapter
Reducer Union
1 Inch Union Fitting
1 Inch Pipe Union
Threaded Pipe Union
Male Female Union Fitting
BSP Union Fitting
Weld Union
Threaded Unions
Half Union Fitting
Screwed Union Pipe Fittings
Union Threaded Fittings
Union 3000lb Npt Mss-sp-83
Mss-sp-83 Union Threaded
Double Threaded Dielectric Union
Asme B16.11 Threaded Union
Carbon Steel Pipe Union
Carbon Steel Threaded Union
Carbon Steel Weld Union
Stainless Steel Flat Face Union
Stainless Steel Pipe Union Fitting
Duplex Unions
Super Duplex Unions
Titanium Unions
MS Unions
Nickel Alloy Unions
Hastelloy Unions
Copper Union
Inconel Union
Ductile Iron Union
Gi Unions
Aluminum Unions
Alloy Steel Union
ASTM A105 Union
A350 LF2 Unions
SS 304 Union
316 SS Unions
UNS S31803 Union
A182 F11 Unions
ASTM A182 F316L Unions
ASTM A182 F316 Union
ASTM A182 F304 Union
Threaded Union Dimensions
| Diameter Of Nominal Pipe | Outer Diameter |
Wall Thickness |
Bore Of SW |
Bore Of Water way |
Socket Weld Depth |
Length Assem Nominal |
|||
|---|---|---|---|---|---|---|---|---|---|
| (D) minimum | (C) minimum | (D1) | (D2) | (J) minimum | (L) | ||||
| (DN) | Normal Pipe Size | Socket |
NPT | Socket | NPT | Socket | Socket & NPT |
Socket | Socket & NPT |
| 6 | 1/8 | 21.8 | 14.7 | 3.2 | 2.5 | 10.65 | 6.43 | 10 | 41.4 |
| 8 | 1/4 | 21.8 | 19.0 | 3.3 | 3.1 | 14.10 | 9.45 | 10 | 41.4 |
| 10 | 3/8 | 25.9 | 22.9 | 3.5 | 3.2 | 17.55 | 13.51 | 10 | 46.0 |
| 15 | 1/2 | 31.2 | 27.7 | 4.1 | 3.8 | 21.70 | 17.07 | 10 | 49.0 |
| 20 | 3/4 | 37.1 | 33.5 | 4.3 | 4.0 | 27.05 | 21.39 | 13 | 56.9 |
| 25 | 1 | 45.5 | 41.4 | 5.0 | 4.6 | 33.80 | 27.74 | 13 | 62.0 |
| 32 | 11/4 | 54.9 | 50.5 | 5.3 | 4.9 | 42.55 | 35.36 | 13 | 71.1 |
| 40 | 11/2 | 61.5 | 57.2 | 5.6 | 5.1 | 48.65 | 41.20 | 13 | 76.5 |
| 50 | 2 | 75.2 | 70.1 | 6.1 | 5.6 | 61.10 | 52.12 | 16 | 86.1 |
| 65 | 21/2 | 91.7 | 85.3 | 7.7 | 7.1 | 73.80 | 64.31 | 16 | 102.4 |
| 80 | 3 | 109.2 | 102.4 | 8.4 | 7.7 | 89.80 | 77.27 | 16 | 109.0 |
Socket Weld Union Dimensions
| NPS | Pipe End (minimum) | Diameter Of Socket Bore | Wall Thickness Of Socket (minimum) | Bore Of Water Way | Length Of Laying | Male Flange (minimum) | Nut (minimum) | Thread Per 25.4 (Maximum) | Bearing (minimum) | Depth Of Socket Weld (minimum) | Length Of Assem Nominal | Clear Assem Nut |
| (A) | (B) | (C) | (D) | (E) | (F) | (G) | (H) | (J) | (K) | (L) | (N) | |
| 1/8 | 21.8 | 10.92 10.67 |
3.17 | 6.83 6.43 |
22.4 19.0 |
3.17 | 3.17 | 16 | 1.24 | 9.6 | 41.1 | 49.0 |
| ¼ | 21.8 | 14.22 13.97 |
3.30 | 9.85 9.45 |
22.4 19.0 |
3.17 | 3.17 | 19 | 1.24 | 9.6 | 41.4 | 49.0 |
| 3/8 | 25.9 | 17.78 17.53 |
3.48 | 13.92 13.51 |
26.9 20.6 |
3.43 | 3.43 | 14 | 1.37 | 9.6 | 46.0 | 55.0 |
| ½ | 31.2 | 21.84 21.59 |
4.06 | 17.47 17.07 |
26.9 20.6 |
3.68 | 3.68 | 14 | 1.50 | 9.6 | 49.0 | 57.0 |
| ¾ | 37.1 | 27.18 26.92 |
4.27 | 21.79 21.39 |
31.8 25.4 |
4.06 | 4.06 | 11 | 1.68 | 12.7 | 56.9 | 67.0 |
| 1 | 45.5 | 34.04 33.78 |
4.95 | 28.14 27.74 |
34.3 26.2 |
4.57 | 4.44 | 11 | 1.85 | 12.7 | 62.0 | 79.0 |
| 11/4 | 54.9 | 42.67 42.42 |
5.28 | 35.76 35.36 |
40.6 32.5 |
5.33 | 5.21 | 11 | 2.13 | 12.7 | 71.1 | 94.0 |
| 11/2 | 61.5 | 48.77 48.51 |
5.54 | 41.61 41.20 |
42.2 34.0 |
5.84 | 5.59 | 10 | 2.31 | 12.7 | 75.5 | 111.0 |
| 2 | 75.2 | 61.47 61.21 |
6.05 | 52.53 52.12 |
45.3 37.3 |
6.60 | 6.35 | 10 | 2.69 | 15.8 | 86.1 | 132.0 |
| 21/2 | 91.7 | 74.17 73.66 |
7.65 | 64.72 64.31 |
61.7 52.1 |
7.49 | 7.11 | 8 | 3.07 | 15.8 | 102.4 | 148.0 |
| 3 | 109.2 | 90.17 89.66 |
8.31 | 77.67 77.27 |
63.8 53.6 |
8.25 | 8.00 | 8 | 3.53 | 15.8 | 109.0 | 175.0 |
Stainless Steel Threaded Union Standards
| ASME: | ASME 16.11/ MSS SP-79/ MSS SP-95/ MSS SP 83/ MSS SP 95/ BS 3799 |
|---|---|
| DIN: | DIN2605/ DIN2617/ DIN28011/ DIN2615/ DIN2616/ |
| EN: | EN10253-1/ EN10253-2 |
Tolerance Of Male Union Fitting
| Dimensions Of ASME B16.11 Fittings | Up to 2" (Size) NB | 2 1/2" & 3" (Size)NB | |
|---|---|---|---|
| • Bore Of Socket Weld | + 0.25 | + 0.38 | |
| - 0.00 | - 0.00 | ||
| • Body Bore | + 0.00 | + 0.00 | |
| - 1.52 | - 3.00 | ||
| A | 1/4" NB (Size) | ± 0.8 | ± 2.50 |
| 3/8" TO 3/4" NB (Size) | ± 1.6 | ||
| 1"T0 2"NB (Size) | ± 2.0 | ||
What Is A ASME B16.11 Union Fitting Used For?
Stainless Steel Union are used in various municipal and industrial applications like as follows:
MSS-SP-83 Union Dimensions in Inch
| 1/8" | 1/4" | 3/8" | 1/2" | 3/4" | 1" | 1-1/4" | 1-1/2" | 2" | 2-1/2" | 3" | 4" | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| THREADED UNION | ||||||||||||
| Threaded Class 3000, X-Series | ||||||||||||
| A | 1.63" | 1.63" | 1.81" | 1.93" | 2.24" | 2.44" | 2.80" | 3.01" | 3.39" | 4.03" | 4.29" | |
| B | 1.38" | 1.38" | 1.60" | 1.81" | 2.19" | 2.55" | 3.05" | 3.41" | 4.06" | 4.83" | 5.69" | |
| C | .86" | .86" | 1.02" | 1.23" | 1.47" | 1.80" | 2.17" | 2.47" | 3.03" | 3.64" | 4.39" | |
| Threaded Class 6000, X-Series | ||||||||||||
| A | 1.69" | 1.88" | 2.00" | 2.31" | 2.50" | 2.88" | 3.03" | 3.50" | 4.09" | |||
| B | 1.38" | 1.58" | 1.81" | 2.19" | 2.55" | 3.04" | 3.39" | 4.05" | 4.82" | |||
| C | .87" | 1.02" | 1.25" | 1.48" | 1.80" | 2.18" | 2.47" | 3.03" | 3.66" | |||
| SOCKET WELD UNION | ||||||||||||
| Socket Welding Class 3000 -, X-Series | ||||||||||||
| A | 1.63" | 1.63" | 1.81" | 1.93" | 2.24" | 2.44" | 2.80" | 3.01" | 3.39" | 4.03" | 4.29" | |
| B | 1.38" | 1.38" | 1.58" | 1.81" | 2.19" | 2.55" | 3.10" | 3.39" | 4.09" | 4.82" | 5.67" | |
| C | .86" | .86" | 1.02" | 1.23" | 1.47" | 1.79" | 2.16" | 2.46" | 3.03" | 3.65" | 4.39" | |
| D | .43" | .56" | .70" | .86" | 1.07" | 1.34" | 1.68" | 1.92" | 2.41" | 2.92" | 3.55" | |
| E | .38" | .38" | .38" | .38" | .50" | .50" | .50'' | .50" | .62" | .62" | .62" | |
| F | .81" | .81" | .93" | .93" | 1.10" | 1.20" | 1.45" | 1.50" | 1.63" | 1.74" | 2.30" | |
| Socket Welding Class 6000, X-Series | ||||||||||||
| A | 2.31" | 2.50" | 2.88" | 3.03" | 3.50" | 4.09" | ||||||
| B | 2.19" | 2.55" | 3.04" | 3.93" | 4.05" | 4.82" | ||||||
| C | 1.48" | 1.80" | 2.18" | 2.47" | 3.03" | 3.66" | ||||||
| D | .86" | 1.07" | 1.34" | 1.68" | 1.92" | 2.41" | ||||||
| E REF | .56" | .63" | .75" | .81" | .88" | 1.00" | ||||||
| F | 1.20" | 1.26" | 1.38" | 1.41" | 1.73" | 2.08" | ||||||
Class 3000 Threaded Union Weight Chart
| Nominal Pipe Size | Weight In KG | |
|---|---|---|
| DN | Normal Pipe Size | Class 3000 Union |
| 6 | 1/8 | 0.06 |
| 8 | 1/4 | 0.06 |
| 10 | 3/8 | 0.08 |
| 15 | 1/2 | 0.14 |
| 20 | 3/4 | 0.2 |
| 25 | 1 | 0.28 |
| 32 | 1 1/4 | 0.48 |
| 40 | 1 1/2 | 0.52 |
| 50 | 2 | 1 |
| 65 | 2 1/2 | 1.6 |
| 80 | 3 | 1.8 |
Stainless Steel Union Pressure Rating
| Product Description | Pressure Class (#) | ||
| Class 2000 Fittings | Class 3000 Fittings | Class 6000 Fittings | |
| Elbow Tee/ ASME B16.11 Cross/Coupling ASME B16.11 Bushing/ End Cap |
1/2 - 4" | 1/2 - 2" | 1/2 - 2" |
| 1/2 - 4" | 1/2 - 2" | 1/2 - 2" | |
| 1/2 - 4" | 1/2 - 2" | 1/2 - 2" | |
| Wall Thickness Of Steel Pipe | 80 Sch | 160 Sch | XXS |
Hs Code For Stainless Steel Union
| HS Code | Item |
|---|---|
| 7307 | Stainless Steel Union |
Marking On Natural Gas Union Fitting
Stainless Steel Union Marking includes ASME/ ANSI B16.9 Codes:
Application Of Black Pipe Union Fitting
Test Certificates
Value Added Services
Documentation


