What are the advantages of using stainless steel threaded fittings over other connection methods?
How are the pressure ratings of SS threaded fittings determined, and what do they signify?
What types of threads are used in stainless steel screwed fittings, and what are their differences?
NPT and BSP threads are commonly used for stainless steel screwed fittings. Differences between the two threads would include:
Stainless Steel Threaded Fittings Specification
Most Selling Size :
Common Thickness :
Manufacturing Class :
American Standard :
Applicable Fluids Types :
Packaging Types :
Certificates :
Female Threads Standard
Connection Method :
Manufacturing Method :
Uses :
Forging Way :
Threads Types :
Services :
Manufacturing :
Finish Type :
Marking Info:
Thread Connections :
Machines List :
Testing & Inspection :
NPT Tapered:
Male Threads:
Advantage:
Types Of Parallel Threads:
Required Tools To Identifying Thread :
Stress Corrosion Cracking :
Welding Types:
Most Common Types :
Forging:
Pressure Capacity Of SS Threaded Pipe Fittings
| Types | Pressure Capacity |
|---|---|
| Threaded Elbow | Low pressure |
| Threaded Reducer | High pressure level |
| Threaded Couplings | High pressure |
| Threaded Plugs | High pressure and temperature |
| Threaded Bushings | High pressure |
SS Threaded Fittings NPT Vs BSP Threads
| NPT Threads | BSP Threads |
|---|---|
| British Standard Pipe | National Pipe Taper |
| From USA | From New Zealand |
| Flat Shape | Rounded Shape |
| 60 degrees | 55 degrees |
SS Threaded 45 Deg Elbow Price List
Connections = Female NPT x Female NPT
| Size In Inch | Price In US$ (Dollar) per unit | Price in UAE Dirham (AED) per unit |
|---|---|---|
| 1/8 x 1/8 | US $1.07 | 3.93 |
| 1/4 x 1/4 | US $1.32 | 4.85 |
| 3/8 x 3/8 | US $1.75 | 6.43 |
| 1/2 x 1/2 | US $2.55 | 9.37 |
| 3/4 x 3/4 | US $3.35 | 12.30 |
Stainless Steel Threaded Coupling Price List
Connections = Female NPT x Female NPT
| Size In Inch | Price In US$ (Dollar) per unit | Price in UAE Dirham (AED) per unit |
|---|---|---|
| 1/8 x 1/8 | US $0.91 | 3.34 |
| 1/4 x 1/4 | US $1.88 | 6.91 |
| 3/8 x 3/8 | US $2.50 | 9.18 |
| 1/2 x 1/2 | US $3.21 | 11.79 |
| 1 x 1 | US $3.89 | 14.29 |
| 1 1/2 x 1 1/2 | US $4.78 | 17.56 |
SS Hex Head Plug Price List
Connections = Male NPT
| Size In Inch | Price In US$ (Dollar) per unit | Price in UAE Dirham (AED) per unit |
|---|---|---|
| 1/8 | US $0.67 | 2.46 |
| 1/4 | US $1.07 | 3.93 |
| 3/8 | US $1.26 | 4.63 |
| 1/2 | US $1.87 | 6.87 |
| 1 | US $2.14 | 7.86 |
| 1 1/4 | US $2.41 | 8.85 |
| 1 1/2 | US $2.65 | 9.73 |
Stainless Hex Reducing Bushing Price List
Connections = Male NPT x Female NPT
| Size In Inch | Price In US$ (Dollar) per unit | Price in UAE Dirham (AED) per unit |
|---|---|---|
| 1/4 x 1/8 | US $0.68 | 2.50 |
| 3/8 x 1/8 | US $1.05 | 3.86 |
| 1/2 x 1/8 | US $1.20 | 4.41 |
| 3/4 x 3/8 | US $1.56 | 5.73 |
| 1 x 1/8 | US $1.81 | 6.65 |
| 2 x 1/2 | US $2.41 | 8.85 |
| 3 x 1 1/2 | US $4.02 | 14.77 |
Stainless Steel Threaded Tee Price List
Connections = Female NPT x Female NPT x Female NPT
| Size In Inch | Price In US$ (Dollar) per unit | Price in UAE Dirham (AED) per unit |
|---|---|---|
| 1/8 x 1/8 x 1/8 | US $0.94 | 3.45 |
| 1/4 x 1/4 x 1/4 | US $2.02 | 7.42 |
| 3/8 x 3/8 x 3/8 | US $3.22 | 11.83 |
Price List Of SS Threaded Union
Connections = Female NPT x Female NPT
| Size In Inch | Price In US$ (Dollar) per unit | Price in UAE Dirham (AED) per unit |
|---|---|---|
| 1/8 x 1/8 | US $1.18 | 4.33 |
| 1/4 x 1/4 | US $1.63 | 5.99 |
| 3/4 x 3/4 | US $2.14 | 7.86 |
| 1 1/2 x 1 1/2 | US $2.96 | 10.87 |
Types Of Stainless Steel Threaded Elbow
SS Threaded 45 Degree Elbow
Stainless Steel Threaded 90 Degree Elbow
SS Female Threaded Elbow
Stainless Steel Male Threaded Elbow
Stainless Steel NPT Elbow
Stainless BSPT Elbow
Common Types Of SS Screwed Tee
Stainless Threaded Equal Tee
Stainless Steel Threaded Reducing Tee
SS Threaded Lateral Tee
Top 3 NPT Threaded Reducer Types
Stainless Steel Threaded Eccentric Reducer
SS Threaded Concentric Reducer
Stainless Threaded Insert Reducer
Most Selling Types Of SS Threaded Coupling
SS Threaded Half Coupling
Stainless Steel Threaded Full Coupling
Stainless Threaded Reducing Coupling
SS Female Threaded Coupling
SS Male Threaded Coupling
SS NPT Threaded Coupling
Popular Types Of Stainless Steel Screwed Bushings
SS Threaded Hex Head Bushing
Stainless Steel Threaded NPT Bushing
Stainless Threaded Reducing Bushing
SS Threaded Plug Types
Stainless Steel Threaded Bull Plug
SS Threaded Hex Head Plug
SS Threaded Round Head Plug
SS Threaded Fittings Grades
Six Most Common Stainless Steel Threaded Fittings Threads
Six Most Common Types of Threads
Standard Of SS Threaded Fittings
| Standard | Product |
|---|---|
| ASME B1.20.1 | NPT |
| BS 3799 | Hexagonal nipple |
| MSS SP 83 | Union |
| BS 3799 | Swage nipples |
| MSS SP 79 | Reducing insert |
| MSS SP 95 | Bull plug |
| MSS-SP 97 | Weldolet |
NPT Thread Dimensions Of Stainless Steel Screwed Fittings
| (DN And NPT) | Diameter In Millimeter |
Tapping Drill Size In Millimeter |
TPI | Pitch In Millimeter |
|---|---|---|---|---|
| 1/16" | 7.895 | 6.00 | 27 | 0.941 |
| 1/8" | 10.242 | 8.25 | 27 | 0.941 |
| 1/4" | 13.616 | 10.70 | 18 | 1.411 |
| 3/8" | 17.055 | 14.10 | 18 | 1.411 |
| 1/2" | 21.223 | 17.40 | 14 | 1.814 |
| 3/4" | 26.568 | 22.60 | 14 | 1.814 |
| 1" | 33.228 | 28.50 | 11.5 | 2.209 |
| 1.1/4" | 41.985 | 37.00 | 11.5 | 2.209 |
| 1.1/2" | 48.054 | 43.50 | 11.5 | 2.209 |
| 2" | 60.092 | 55.00 | 11.5 | 2.209 |
| 2.1/2" | 72.699 | 65.50 | 8 | 3.175 |
| 3" | 88.608 | 81.50 | 8 | 3.175 |
| 3.1/2" | 101.316 | 94.30 | 8 | 3.175 |
| 4" | 113.973 | 107.00 | 8 | 3.175 |
| 5" | 141.300 | 134.384 | 8 | 3.175 |
| 6" | 168.275 | 161.191 | 8 | 3.175 |
| 8" | 219.075 | 211.673 | 8 | 3.175 |
| 10" | 273.050 | 265.311 | 8 | 3.175 |
| 12" | 323.850 | 315.793 | 8 | 3.175 |
SS Threaded Fittings Sizes And Class
| Description | Class Designation | ||
|---|---|---|---|
| Class 3000 | Class 6000 | Class 9000 | |
| 45 and 90 degree Elbow Tee/ Cross/ Couplings/ Half-Couplings/ End or Pipe Caps |
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 | |
| Pipe Size by Wall Thickness (WT) |
Schedule 80 / XS | Schedule 160 | XXS |
Stainless Steel Threaded Pipe Fittings Dimensions
Class 150 Stainless Steel Threaded Fittings Pressure Rating
| Size Of Pipes In Inch | Dia Of (A) |
Dia. Of (B) |
ASME B16.11 Weight in Pounds |
|---|---|---|---|
| 1/8 | 0.69 | 0.66 | 0.06 |
| 1/4 | 0.80 | 0.80 | 0.10 |
| 3/8 | 0.94 | 0.97 | 0.15 |
| 1/2 | 1.11 | 1.17 | 0.22 |
| 3/4 | 1.24 | 1.38 | 0.32 |
| 1 | 1.43 | 1.74 | 0.52 |
| 1-1/4 | 1.72 | 2.07 | 0.76 |
| 1-1/2 | 1.87 | 2.36 | 0.99 |
| 2 | 2.25 | 2.86 | 1.49 |
| 2-1/2 | 2.68 | 3.57 | 2.78 |
| 3 | 3.05 | 4.23 | 4.41 |
| 4 | 3.72 | 5.24 | 6.72 |
How Identify Different Threads Types Of SS Threaded Fittings
Standard Name Of Stainless Steel Threaded Fittings
| Standard | System Name |
|---|---|
British Standard Pipe
|
(BSP)
|
British Standard Pipe Parallel Thread
|
(BSPP)
|
British Standard Pipe Taper Thread
|
(BSPT)
|
National Pipe Thread
|
(NPT)
|
National Pipe Thread Fuel
|
(NPTF)
|
Temperature And Working Pressure Of SS Threaded Fittings
| Temperature (°C) | Maximum Working Pressure (Bar) |
|---|---|
| Minus 20° to 40° C | 20 |
| 100° | 16.5 |
| 150° | 15 |
| 200° | 14 |
| 220° | 13.5 |
Class 300 Threaded Fittings Pressure Rating
|
Normal Size Of Pipes In Inch
|
Length Of Thread (Minimum) | Minimum (WT) | Outer Dia. |
Center-End
|
||
|---|---|---|---|---|---|---|
|
(J)
|
(B)
|
(G)
|
(D)
|
|||
| (C) | (A) | |||||
|
1/2
|
13.6
|
10.9
|
3.18
|
33
|
22
|
|
|
1/4
|
13.9
|
12.7
|
3.18
|
38
|
25
|
33
|
|
1
|
17.3
|
14.7
|
3.68
|
46
|
28
|
38
|
|
1¼
|
18
|
17
|
3.89
|
56
|
33
|
44
|
|
1½
|
18.4
|
17.8
|
4.01
|
62
|
35
|
51
|
|
2
|
19.2
|
19
|
4.27
|
75
|
43
|
60
|
|
2½
|
28.9
|
23.6
|
5.61
|
92
|
52
|
76
|
|
3
|
30.5
|
25.9
|
5.99
|
109
|
64
|
86
|
|
4
|
33
|
27.7
|
6.55
|
146
|
79
|
106
|
Class 3000 Threaded Fittings Pressure Rating
| Service Temperature | 3000lb and | Threaded (NPT) |
|---|---|---|
| Degree F 100 | Grade F304 | Grade F316 |
| 150 | 2570 | 3000 |
| 200 | 2425 | 2950 |
| 250 | 2280 | 2915 |
| 300 350 | 2170 | 2975 |
| 400 | 2055 | 2845 |
| 450 | 1965 | 2810 |
| 500 | 1870 | 2775 |
| 550 | 1790 | 2715 |
| 600 650 | 1715 | 2605 |
| 700 | 1650 | 2460 |
| 750 | 1590 | 2310 |
| 800 | 1535 | 2150 |
| 850 | 1480 | 2055 |
| 900 950 | 1425 | 1960 |
| 1000 | 1370 | 1865 |
Class 6000 Threaded Fittings Pressure Rating
| Service Temperature | 6000lb and | Threaded (NPT) |
|---|---|---|
| Degree F | A182 Grade F304 | A182 Grade F316 |
| 100 | ||
| 150 | 5145 | 6000 |
| 200 | 4855 | 5915 |
| 250 | 4565 | 5830 |
| 350 | 4340 | 5750 |
| 400 | 4115 | 5690 |
| 450 | 3930 | 5625 |
| 500 | 3745 | 5550 |
| 550 | 3585 | 5430 |
| 650 | 3430 | 5210 |
| 700 | 3305 | 4925 |
| 750 | 3180 | 4620 |
| 800 | 3070 | 4300 |
| 850 | 2960 | 4110 |
| 950 | 2580 | 3920 |
| 1000 | 2745 | 3730 |
Wall Thickness Of Forged SS Threaded Fittings
| Class Designation | Types Of Fitting | Schedule No. |
|---|---|---|
| 2000 | Threaded | 80 |
| 3000 | Threaded | 160 |
| 6000 | Threaded |
Stainless Steel Threaded Pipe Fittings Weight in KG
| NPS | SS threaded 90 degree elbow | SS threaded tee | SS threaded half coupling | SS threaded cap | ||||
|---|---|---|---|---|---|---|---|---|
| Class 2000 | Class 3000 | Class 6000 | 2000 LBS | 3000 LBS | 3000 LBS | 6000 LBS | 3000# | |
| 3/8 | 0.07 | 0.12 | 0.18 | 0.09 | 0.16 | 0.03 | 0.09 | 0.03 |
| 1/2 | 0.12 | 0.19 | 0.28 | 0.16 | 0.26 | 0.07 | 0.16 | 0.07 |
| 3/4 | 0.19 | 0.30 | 0.45 | 0.26 | 0.42 | 0.10 | 0.22 | 0.10 |
| 1 | 0.31 | 0.48 | 0.72 | 0.43 | 0.67 | 0.21 | 0.44 | 0.21 |
| 11/4 | 0.50 | 0.76 | 1.14 | 0.70 | 1.06 | 0.36 | 0.52 | 0.36 |
| 11/2 | 0.79 | 1.21 | 1.81 | 1.10 | 1.69 | 0.52 | 0.95 | 0.52 |
| 2 | 1.27 | 1.93 | 2.89 | 1.77 | 2.70 | 0.69 | 1.40 | 0.69 |
| 21/2 | 2.03 | 3.08 | 4.62 | 2.84 | 4.31 | 1.15 | 2.00 | 1.15 |
| 3 | 3.24 | 4.92 | 7.38 | 4.53 | 6.88 | 1.60 | 3.00 | 1.60 |
What are the common methods used to test the quality of stainless steel threaded pipe fittings?
For testing the quality of stainless steel threaded pipe fittings, different tests can be performed on it. This includes the material test, visual inspections, dimensional tests, NDT and other tests specific to the application requirements. When a stainless threaded fitting is certified, clients can be rest assured about its quality.
Stainless Steel Threaded Fittings Pressure Rating
| Product Description | Pressure Class (#) | ||
|---|---|---|---|
| Class 2000 Fitting | Class 3000 Fitting | Class 6000 Fitting | |
| ASME B16.11 Elbow ASME B16.11 Tee/ ASME B16.11 Cross/ ASME B16.11 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 |
What are the export requirements for stainless threaded fittings in Middle East countries?
The requirements for exporting stainless threaded fitting would depend on the origin country. However, the general rules would include producing the fitting as per the industry standards recommended in the Middle East region. They must also be packed properly to prevent damage or corrosion during the transportation process.
How do you ensure a proper seal when connecting different sizes of SS screwed elbow?
Marking On SS Pipe Threaded Fittings
BSP Stainless Steel Pipe Fitting Application
Available SS Threaded Fitting Machines In Our Factory
Stainless Steel Threaded Union
Stainless Steel Threaded Reducing Tee
Stainless Steel Screwed Fittings
SS Threaded Fittings
Stainless Steel Threaded Pipe Fittings
Stainless Steel BSP Fitting
BSP Stainless Steel Pipe Fittings
SS Reducing Bush

