What are Stainless Steel Threaded Fittings?
A stainless steel threaded fitting is seen in small-bore piping size of NPS 2 or smaller. These fittings are tapered with threads that allow them to connect them with subsequent threads of different equipment. They are one of the oldest methods of joining pipes in the system. The fittings possess superior corrosion resistance properties and are recommended in low pressure and temperature setups. Threaded fittings are seen in less critical applications. They can be produced in NPT, BSPP, BSPT, PF, PT, and MPT threads.
NPT vs BSP Threads Stainless Steel Screwed Fittings
Are BSP and Bspt SS Threaded Fittings interchangeable?
The British standard pipe threads BSP and BSPT can be threaded interchangeably. In these fittings, the male BSPT tapered fitting will seal onto the BSP grade efficiently.
Are NPT and BSP Pipe threads compatible?
The NPT and BSP pipe threads are not compatible and cannot be used interchangeably. This is due to the fact that NPT threads have a pointed peak with a thread angle of 60 degrees, while BSP threads are rounded, and the thread angle is at 55 degrees.
Advantages and Disadvantages of Stainless Steel Threaded Fittings
Advantages of stainless steel threaded fittings
Disadvantages of stainless steel threaded fittings
Specifications | ASTM/ ASME A182 SA182 |
---|---|
Type | Threaded Fittings |
Standards | MSS SP-83, 79, 97, 95, ASME 16.11, BS 3799 |
Size | From 1/8” NB upto 4” NB (Screwed-Threaded) |
Class | 3000 LBS, 9000 LBS, 2000 LBS, 6000 LBS |
Description | Price Per Kg In Singapore | Price Per Kg In UAE | Price Per Kg In USD | Price Per Kg In Malaysia |
---|---|---|---|---|
1/2NPT(F) x 3/8NPT(F) STAINLESS STEEL 316 PIPE FITTINGS, 3000PSI & 6000 PSI Reducing Threaded Plain Socket Coupling | SGD 1.58 | UAE Dirham 4.14 | US $1.14 | MYR 5.02 |
3/4 X 10 STAINLESS STEEL REDUCING THREADOLET TO ASTM A 182 GR. F 316L DIMN MSS SP-97, FEMALE SCREWED, NPT THREAD | SGD 41.36 | UAE Dirham 108.01 | US $29.87 | MYR 130.99 |
20X1/2MM 304L SHORT TENGTENT ELBOW 90 FEMALE THREADED STAINLESS STEEL FITTINGS | SGD 3.76 | UAE Dirham 9.82 | US $2.72 | MYR 11.91 |
1/2 NB X 3000# STAINLESS STEEL STRAIGHT TEE TO ASTM A 182 GR. F 304 DIMN B 16.11, SCREWED NPT THREAD | SGD 13.37 | UAE Dirham 34.92 | US $9.66 | MYR 42.35 |
3000# DN20 SS EQUAL TEE (Threaded type) Material: Stainless Steel 304 Rating ASTM B16.11 | SGD 9.22 | UAE Dirham 24.06 | US $6.66 | MYR 29.18 |
3000PSI & 6000 PSI 2NPT(FxF) STAINLESS STEEL 316 PIPE FITTINGS, Threaded Plain Socket Coupling | SGD 17.95 | UAE Dirham 46.86 | US $12.96 | MYR 56.83 |
Stainless Steel Threaded Tee
ASME B16.11 Stainless Steel Threaded Union
BS 3799 Stainless Steel Threaded Pipe Nipple
SS Threaded Half/ Full Coupling
Stainless Steel Forged Threaded 45 Degree Elbow
SS Screwed Street Elbow
ASME SA182M SS Threaded Cross
Stainless Steel Screwed Hex Plug
Stainless Steel Threaded Reducing Tee
ASTM A182 SS Threaded Plug
ASTM A182 Stainless Steel Threaded Cap
Stainless Steel Threaded Fittings
Stainless Steel ASTM A182 Threaded Bushing
ASTM A182 SS Screwed Eccentric Reducer
ASTM A182 Stainless Steel Screwed 90 Degree Elbow
Weight (lb) | Size | Dimensions (in) | ||
---|---|---|---|---|
B | A | C | ||
0.120 | 1/8 | - | 0.69 | - |
0.090 | 1/4 | - | 0.69 | - |
0.120 | 3/8 | - | 0.81 | - |
0.310 | 1/2 | - | 0.87 | - |
0.560 | 3/4 | - | 1.00 | - |
0.770 | 1 | - | 1.12 | - |
1.120 | 1-1/4 | - | 1.31 | - |
1.560 | 1-1/2 | - | 1.43 | - |
2.060 | 2 | - | 1.68 | - |
3.800 | 2-1/2 | - | 1.93 | - |
5.870 | 3 | - | 2.18 | - |
9.540 | 4 | - | 2.62 | - |
Size | Weight (lb) | Dimensions (in) | ||
---|---|---|---|---|
B | A | C | ||
1/8 | 0.020 | 9/32 | 0.61 | - |
1/4 | 0.030 | 3/8 | 0.72 | - |
3/8 | 0.060 | 7/16 | 0.79 | - |
1/2 | 0.110 | 9/16 | 0.94 | - |
3/4 | 0.240 | 5/8 | 1.07 | - |
1 | 0.370 | 13/16 | 1.25 | - |
1-1/4 | 0.670 | 15/16 | 1.36 | - |
1-1/2 | 0.880 | 1-1/8 | 1.45 | - |
2 | 1.110 | 1-5/16 | 1.56 | - |
2-1/2 | 1.580 | 1-1/2 | 1.81 | - |
3 | 2.400 | 1-11/16 | 1.93 | - |
4 | 5.000 | 2-1/4 | 2.22 | - |
Weight (lb) | Size | Dimensions (in) | ||
---|---|---|---|---|
B | A | C | ||
0.050 | 1/8 | 1.00 | 0.75 | - |
0.080 | 1/4 | 1.00 | 0.84 | - |
0.100 | 3/8 | 1.12 | 1.01 | - |
0.170 | 1/2 | 1.38 | 1.20 | - |
0.260 | 3/4 | 1.50 | 1.46 | - |
0.410 | 1 | 1.62 | 1.77 | - |
0.500 | 1-1/4 | 2.00 | 2.15 | - |
0.860 | 1-1/2 | 2.12 | 2.43 | - |
1.330 | 2 | 2.50 | 2.96 | - |
2.290 | 2-1/2 | 2.87 | 3.31 | - |
3.310 | 3 | 3.18 | 4.00 | - |
5.370 | 4 | 3.68 | 5.06 | - |
13.44 | 6 | 4.10 | 7.39 | - |
PIPE O.D. | NOM BORE | COMMON FACTORS | 3000 LBS | 6000 LBS | |||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
D | E | F | I | J | L | A | B | C | G | H | K | A | B | C | G | H | K | ||
10.3 | 1/8" | 11 | 10 | 40 | - | 6 | - | 21 | 22 | 17 | 32 | 16 | 19 | 25 | 25 | 19 | 32 | 22 | - |
13.7 | 1/4" | 16 | 11 | 43 | 3 | 6 | 32 | 25 | 25 | 19 | 35 | 19 | 25 | 29 | 33 | 22 | 35 | 25 | 27 |
17.2 | 3/8" | 17.5 | 13 | 48 | 4 | 8 | 38 | 29 | 33 | 22 | 38 | 22 | 25 | 33 | 38 | 25 | 38 | 32 | 27 |
21.3 | 1/2" | 22 | 15 | 51 | 5 | 8 | 46 | 33 | 38 | 25 | 48 | 29 | 32 | 38 | 46 | 29 | 48 | 38 | 33 |
26.7 | 3/4" | 27 | 16 | 57 | 6 | 10 | 51 | 38 | 46 | 29 | 51 | 35 | 37 | 44 | 56 | 33 | 51 | 44 | 38 |
33.4 | 1" | 35 | 19 | 64 | 6 | 10 | 60 | 44 | 56 | 33 | 60 | 44 | 41 | 51 | 62 | 35 | 60 | 57 | 43 |
42.2 | 1 1/4" | 44.5 | 21 | 70 | 7 | 14 | 72 | 51 | 62 | 35 | 67 | 57 | 44 | 60 | 75 | 43 | 67 | 64 | 46 |
48.3 | 1 1/2" | 51 | 21 | 79 | 8 | 16 | 80 | 60 | 75 | 43 | 79 | 64 | 44 | 64 | 84 | 44 | 79 | 76 | 48 |
60.3 | 2" | 63.5 | 22 | 88 | 9 | 17 | 94 | 64 | 84 | 45 | 86 | 76 | 48 | 83 | 102 | 52 | 86 | 92 | 51 |
73.02 | 2 1/2" | 76 | 27 | 118 | 10 | 21 | 122 | 83 | 102 | 52 | 92 | 92 | 60 | 95 | 121 | 64 | 92 | 108 | 64 |
89.0 | 3" | 89 | 29 | 121 | 10 | 65 | 140 | 95 | 121 | 64 | 108 | 108 | 65 | 106 | 146 | 79 | 108 | 127 | 68 |
114.5 | 4" | 117.5 | 32 | 150 | 13 | 25 | 180 | 114 | 152 | 79 | 121 | 140 | 68 | 114 | 152 | 79 | 121 | 159 | 75 |
Weight (lb) | Size | Dimensions (in) | ||
---|---|---|---|---|
B | A | C | ||
0.030 | 1/8 | 0.50 | 0.51 | - |
0.050 | 1/4 | 0.62 | 0.58 | - |
0.090 | 3/8 | 0.68 | 0.64 | - |
0.150 | 1/2 | 0.87 | 0.75 | - |
0.260 | 3/4 | 1.20 | 0.85 | - |
0.470 | 1 | 1.43 | 1.00 | - |
0.930 | 1-1/4 | 1.76 | 1.08 | - |
1.240 | 1-1/2 | 2.00 | 1.14 | - |
2.260 | 2 | 2.48 | 1.22 | - |
2.580 | 2-1/2 | 2.98 | 1.44 | - |
3.610 | 3 | 3.86 | 1.53 | - |
7.200 | 4 | 4.62 | 1.72 | - |
Description | Class Designation | ||
---|---|---|---|
Class 6000 | Class 3000 | Class 9000 | |
Pipe Size by Wall Thickness (WT) |
Schedule 160 | Schedule 80 / XS | XXS |
45 and 90 degree Elbow Tee/ Cross/ Couplings/ Half-Couplings/ End or Pipe Caps |
1/2 - 2 | 1/2 - 4 | 1/2 - 2 |
1/2 - 2 | 1/2 - 4 | 1/2 - 2 | |
1/2 - 2 | 1/2 - 4 | 1/2 - 2 |
Dimensions (in) | Size | Weight (lb) | ||
---|---|---|---|---|
C | A | B | ||
- | 0.69 | - | 1/8 | 0.200 |
- | 0.69 | - | 1/4 | 0.140 |
- | 0.81 | - | 3/8 | 0.260 |
- | 0.87 | - | 1/2 | 0.530 |
- | 1.00 | - | 3/4 | 0.740 |
- | 1.12 | - | 1 | 1.230 |
- | 1.31 | - | 1-1/4 | 2.030 |
- | 1.43 | - | 1-1/2 | 2.180 |
- | 1.68 | - | 2 | 3.480 |
- | 1.93 | - | 2-1/2 | 5.910 |
- | 2.18 | - | 3 | 9.370 |
- | 2.62 | - | 4 | 16.01 |
Dimensions (in) | Size | Weight (lb) | ||
---|---|---|---|---|
A | C | B | ||
0.421 | - | 1.375 | 1/8 | 0.026 |
0.500 | - | 1.500 | 1/4 | 0.055 |
0.500 | - | 1.625 | 3/8 | 0.066 |
0.594 | - | 1.750 | 1/2 | 0.154 |
0.656 | - | 1.937 | 3/4 | 0.176 |
0.781 | - | 2.187 | 1 | 0.253 |
0.750 | - | 2.687 | 1-1/4 | 0.370 |
0.875 | - | 3.000 | 1-1/2 | 0.451 |
0.937 | - | 3.500 | 2 | 0.661 |
1.000 | - | 4.062 | 2-1/2 | 1.102 |
1.000 | - | 4.625 | 3 | 1.322 |
1.125 | - | 5.815 | 4 | 2.645 |
Specialty Chemicals
Petrochemicals
Power Generation
Condensers
Off-Shore Oil Drilling Companies
Gas Processing
Chemical Equipment
Heat Exchangers
Pharmaceutical Equipment
Sea Water Equipment
Pharmaceuticals
Pulp and Paper Industry
Size | Weight (lb) | Dimensions (in) | ||
---|---|---|---|---|
B | A | C | ||
1/8 | 0.370 | - | 0.69 | - |
1/4 | 0.310 | - | 0.69 | - |
3/8 | 0.490 | - | 0.81 | - |
1/2 | 0.850 | - | 0.87 | - |
3/4 | 1.190 | - | 1.00 | - |
1 | 1.490 | - | 1.12 | - |
1-1/4 | 2.030 | - | 1.31 | - |
1-1/2 | 2.970 | - | 1.43 | - |
2 | 4.310 | - | 1.68 | - |
2-1/2 | 7.550 | - | 1.93 | - |
3 | 9.810 | - | 2.18 | - |
4 | 17.80 | - | 2.62 | - |
Dimensions (in) | Size | Weight (lb) | |
---|---|---|---|
B | A | ||
5/8 | 0.56 | 1/4 x 1/8 | 0.030 |
11/16 | 0.66 | 3/8 x 1/8 | 0.050 |
11/16 | 0.66 | 3/8 x 1/4 | 0.050 |
7/8 | 0.75 | 1/2 x 1/8 | 0.080 |
7/8 | 0.75 | 1/2 x 1/4 | 0.080 |
7/8 | 0.75 | 1/2 x 3/8 | 0.080 |
1-1/16 | 0.84 | 3/4 x 1/8 | 0.160 |
1-1/16 | 0.84 | 3/4 x 1/4 | 0.160 |
1-1/16 | 0.84 | 3/4 x 3/8 | 0.160 |
1-1/16 | 0.84 | 3/4 x 1/2 | 0.160 |
1-3/8 | 1.00 | 1 x 1/8 | 0.350 |
1-3/8 | 1.00 | 1 x 1/4 | 0.350 |
1-3/8 | 1.00 | 1 x 3/8 | 0.350 |
1-3/8 | 1.00 | 1 x 1/2 | 0.350 |
1-3/8 | 1.00 | 1 x 3/4 | 0.350 |
1-3/4 | 1.09 | 1-1/4x1/8 | 0.560 |
1-3/4 | 1.09 | 1-1/4x1/4 | 0.560 |
1-3/4 | 1.09 | 1-1/4x3/8 | 0.560 |
1-3/4 | 1.09 | 1-1/4x1/2 | 0.560 |
1-3/4 | 1.09 | 1-1/4x3/4 | 0.560 |
1-3/4 | 1.09 | 1-1/4x1 | 0.560 |
2 | 1.12 | 1-1/2x1/8 | 0.650 |
2 | 1.12 | 1-1/2x1/4 | 0.650 |
2 | 1.12 | 1-1/2x3/8 | 0.650 |
2 | 1.12 | 1-1/2x1/2 | 0.650 |
2 | 1.12 | 1-1/2x3/4 | 0.650 |
2 | 1.12 | 1-1/2x1 | 0.650 |
2 | 1.12 | 1-1/2x1-1/4 | 0.650 |
2-1/2 | 1.22 | 2x1/4 | 1.260 |
2-1/2 | 1.22 | 2x3/8 | 1.260 |
2-1/2 | 1.22 | 2x1/2 | 1.260 |
2-1/2 | 1.22 | 2x3/4 | 1.260 |
2-1/2 | 1.22 | 2x1 | 1.260 |
2-1/2 | 1.22 | 2x1-1/4 | 1.260 |
2-1/2 | 1.22 | 2x1-1/2 | 1.260 |
3 | 1.44 | 2-1/2x1/2 | 1.480 |
3 | 1.44 | 2-1/2x3/4 | 1.480 |
3 | 1.44 | 2-1/2x1 | 1.480 |
3 | 1.44 | 2-1/2x1-1/4 | 1.480 |
3 | 1.44 | 2-1/2x1-1/2 | 1.480 |
3 | 1.44 | 2-1/2x2 | 1.480 |
3-1/2 | 1.53 | 3x1/4 | 2.140 |
3-1/2 | 1.53 | 3x3/8 | 2.140 |
3-1/2 | 1.53 | 3x1/2 | 2.140 |
3-1/2 | 1.53 | 3x3/4 | 2.140 |
3-1/2 | 1.53 | 3x1 | 2.140 |
3-1/2 | 1.53 | 3x1-1/4 | 2.140 |
3-1/2 | 1.53 | 3x1-1/2 | 2.140 |
3-1/2 | 1.53 | 3x2 | 2.140 |
3-1/2 | 1.53 | 3x2-1/2 | 2.140 |
4-5/8 | 1.85 | 4x1 | 4.280 |
4-5/8 | 1.85 | 4x1-1/4 | 4.280 |
4-5/8 | 1.85 | 4x1-1/2 | 4.280 |
4-5/8 | 1.85 | 4x2 | 4.280 |
4-5/8 | 1.85 | 4x2-1/2 | 4.280 |
4-5/8 | 1.75 | 4x3 | 4.280 |
Dimensions (in) | Size | Weight (lb) | ||
---|---|---|---|---|
B | A | C | ||
0.93 | 1.26 | - | 1/8 | 0.240 |
1.10 | 1.44 | - | 1/4 | 0.210 |
1.26 | 1.61 | - | 3/8 | 0.280 |
1.45 | 1.72 | - | 1/2 | 0.410 |
1.71 | 1.95 | - | 3/4 | 0.620 |
2.07 | 2.06 | - | 1 | 0.820 |
2.50 | 2.26 | - | 1-1/4 | 1.580 |
2.82 | 2.41 | - | 1-1/2 | 2.070 |
3.41 | 2.75 | - | 2 | 3.000 |
4.12 | 3.22 | - | 2-1/2 | 6.820 |
4.75 | 3.50 | - | 3 | 11.04 |
6.00 | 3.85 | - | 4 | 17.00 |
Weight (lb) | Size | Dimensions (in) | ||
---|---|---|---|---|
B | A | C | ||
0.050 | 1/8 | 1.00 | 0.75 | - |
0.080 | 1/4 | 1.00 | 0.84 | - |
0.100 | 3/8 | 1.12 | 1.01 | - |
0.170 | 1/2 | 1.38 | 1.20 | - |
0.260 | 3/4 | 1.50 | 1.46 | - |
0.410 | 1 | 1.62 | 1.77 | - |
0.500 | 1-1/4 | 2.00 | 2.15 | - |
0.860 | 1-1/2 | 2.12 | 2.43 | - |
1.330 | 2 | 2.50 | 2.96 | - |
2.290 | 2-1/2 | 2.87 | 3.31 | - |
3.310 | 3 | 3.18 | 4.00 | - |
5.370 | 4 | 3.68 | 5.06 | - |
13.44 | 6 | 4.10 | 7.39 | - |
Major Diameter mm |
DN NPT |
TPI | Tapping Drill Size mm |
Pitch mm |
---|---|---|---|---|
7.895 | 1/16″ | 27 | 6.00 | 0.941 |
10.242 | 1/8″ | 27 | 8.25 | 0.941 |
13.616 | 1/4″ | 18 | 10.70 | 1.411 |
17.055 | 3/8″ | 18 | 14.10 | 1.411 |
21.223 | 1/2″ | 14 | 17.40 | 1.814 |
26.568 | 3/4″ | 14 | 22.60 | 1.814 |
33.228 | 1″ | 11.5 | 28.50 | 2.209 |
41.985 | 1 1/4″ | 11.5 | 37.00 | 2.209 |
48.054 | 1 1/2″ | 11.5 | 43.50 | 2.209 |
60.092 | 2″ | 11.5 | 55.00 | 2.209 |
72.699 | 2 1/2″ | 8 | 65.50 | 3.175 |
88.608 | 3″ | 8 | 81.50 | 3.175 |
101.316 | 3 1/2″ | 8 | 94.30 | 3.175 |
113.973 | 4″ | 8 | 107.00 | 3.175 |
141.300 | 5″ | 8 | 134.384 | 3.175 |
168.275 | 6″ | 8 | 161.191 | 3.175 |
219.075 | 8″ | 8 | 211.673 | 3.175 |
273.050 | 10″ | 8 | 265.311 | 3.175 |
323.850 | 12″ | 8 | 315.793 | 3.175 |
80% repeat orders from below countries
ADCO - Onshore Gas Gathering & Injection For OGD3-Dubai
Northern Luzon Offshore Wind Power Project-Philippines
Millennium Water Treatment & Engineering Sdn. Bhd Malaysia
Laban And Diluted Laban- UAE
Energy Africa Limited -- South Africa
Binh Dai 1 - Phase 3-Vietnam