Threaded Fittings
ASME B16.11 Stainless Steel Threaded Fittings manufacturer in India

ASME B16.11 Threaded Pipe Fittings

Stainless Steel Threaded Fittings

Carbon Steel Threaded Pipe Fittings
Table of contents
- What Is ASME B16.11?
- What Is The Pressure Rating Of 3000 Fittings?
- What Is Threaded Connection?
- Use Of ASME B16.11 Fittings By Class And Size?
- ASME B16.11 Specification
- Stainless Steel Threaded Pipe Fittings Price List
- ASME B16.11 Material
- ASME B16.11 Dimensions
- Stainless Steel Threaded Pipe Fitting Dimensions
- Threaded Pipe Fittings Pressure Rating
- Carbon Steel Threaded Pipe Fittings Weight Chart
- Forged Threaded Fittings Size Chart
- NPT Fittings Dimensions
- BSP Fittings Dimensions
- Tolerance Chart Of Screwed Fittings
- Difference Between Socket Weld And Threaded
- Dimensions Of American Standard Taper Pipe Thread As Per ANSI/ASME B1.20.1
- Class 3000 Threaded Fittings Dimensions
- Class 3000/ 6000/ 9000 Threaded Fittings Pressure Rating
- Popular Types Of ASME B16.11 Threaded Fittings

ASME B16.11 Fittings

ANSI B16.11 NPT Pipe Fittings

ASME B16.11 Pressure Rating



What Is ASME B16.11?
The ASME B16.11 can be used to withstand higher pressures and temperatures. The different ASME B16.11 Threaded Pipe Fittings Dimensions allow for the fittings to be used under different standards such as the Npt Threaded Fittings standards and the ASME B16.11 standards. The Npt Threaded Pipe Fittings adhere to the national standards. Threaded Adaptors Fittings are unique in that they usually connect two different parts of the piping system.
What Is The Pressure Rating Of 3000 Fittings?
The British standard Threaded Bsp Fittings are measured and selected according to the Class 3000 Threaded Fittings Dimensions. The material makes such as Stainless Steel Npt Threaded Fittings and the pressure containment capacities such as the Stainless Steel Threaded Pipe Fittings help clients choose from a variety of fittings. The carbon steel threaded pipe fittings pressure rating can differ according to the pressure classes, the type of fitting and the composition material.
What Is Threaded Connection?
ANSI B16.11 Threaded Fittings belong to pipe fittings that are threaded and are also governed by the nominal size standard ASME B16.11 which are smaller; usually up to 4 inches in diameter. The Threaded Pipe Fittings include different types of fittings and different types of materials such as the Cast Iron Threaded Fittings and the Forged Threaded Fittings. The applications of Threaded Fittings Asme B16.11 are usually in the low cost and domestic uses. Forged Steel Threaded Fittings Manufacturers produce the fittings in a forged condition during the production stage so that the Forged Threaded Fittings get extra strength.
Use Of Threaded Fittings By Class And Size
The uses of fittings are important where the pipe itself cannot be flexibly designed to suit all the various functions and shapes. The bending, curving, splitting and joining operations are facilitated with a number of fittings such as bends, elbows, tees, crosses and others. Different types have different technical references such as the ductile iron which produces the Di Threaded Fittings, the galvanized material which produce Threaded Galvanised Fittings and so on. There are different usages such as Threaded Fuel Line Fittings and others as well.
Biggest High-Pressure Carbon Steel Threaded Fittings exporter in India, check Price List of EN 10241 NPT/ BSPP/ BSPT Brass Fittings in Mumbai.
ASME B16.11 Specification
Specification : | ASME B16.11 Threaded Fittings |
---|---|
ASME B16.11 Standards | ASME B16.11 (American Standard), Bs3799, MSS SP 79, JIS B2302, MSS-SP-97 (Threadolet), MSS-SP-83 (Union), ASME B36.19 (Nipple) |
Types Of Thread | NPT, BSPP, BSPT, PF, PT, MPT |
ASME B16.11 Applications | Oil and Gas Chemical Power station Water Pipeline Noncritical Applications Fire Protection |
Advantages Of ASME B16.11 | Simple Usage Easy installation Economic as cheaper |
ANSI B16.11 Size | Threaded Fittings = ½” – 4” |
ASME B16.11 Pressure Rating | Threaded Fittings = Class 2000, Class 3000, Class 6000 |
ASME B16.11 Type Of Pipe systems | 45 Deg Elbow, Equal tee, Full Coupling, Reducing Tee, 90 Deg Elbow, Half Coupling, Street Elbow, Bull Plug, Boss, Union (Male/Female), Lateral Outlet, 45 Lateral Tee, Equal Cross, Pipe Cap, Branch Outlets, Swage Nipple. |
ASME B16.11 Material | Stainless Steel (ASTM-182) Carbon Steel (ASTM-105) Alloy Steel (ASTM-182) Low Alloy Steel (ASTM-350) Duplex Steel Cooper Nickel |
Thread Connections | ASME B16.11 (Socket Welding and Threaded), MSS-SP-83 (Class Unions), ASME B16.3 (Malleable Iron Fittings), ASME B16.4 ( Gray Iron Fittings), ASME B16.39 (Malleable Iron Unions), ASME B16.34 (Valves — Flanged), ASME B16.39 (Malleable Iron Pipe Unions, 150#, 250#, Or 300#). |
ASME B16.11 Threaded Fittings Weight Chat And ISO Approved SS Screwed Fittings Manufacturer In India

Stainless Steel Threaded Pipe Fittings Price List

Please note this is an approx Price of ASME B16.11 Threaded Pipe Fittings in India. For final asme b16.11 Price List Please Call on +91 - 22 - 67437342 or drop an Email to info@rajtilakmetal.com.
ASME B16.11 Material
ASME B16.11 SS NPT Fittings | ASTM A182 F304, F304L, F306, F316L, F304H, F309S, F309H, F310S, F310H, F316TI, F316H, F316LN, F317, F317L, F321, F321H, F11, F22, F91, F347, F347H, F904L, ASTM A312/A403 TP304, TP304L, TP316, TP316L
|
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CS Threaded Pipe Fittings | Carbon Steel ASTM A105, A350 LF2, A106 Gr.B, A234 WPB
|
ASME B16.11 Dimensions

Stainless Steel Threaded Pipe Fitting Dimensions
DN | NPS | Center to End NPT Elbow, NPT Tee, NPT Cross A |
Center to End 45 Deg Elbow C |
O.D. of Band H |
Min. Wall Thick. G |
Length of Thread. Minimum (1) |
|||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Class 2000 | Class 3000 | Class 6000 | Class 2000 | Class 3000 | Class 6000 | Class 2000 | Class 3000 | Class 6000 | Class 2000 | Class 3000 | Class 6000 | B | L2 | ||
6 | 1/8 | 21 | 21 | 25 | 17 | 17 | 19 | 22 | 22 | 25 | 3.18 | 3.18 | 6.35 | 6.4 | 6.7 |
8 | 1/4 | 21 | 25 | 28 | 17 | 19 | 22 | 22 | 25 | 33 | 3.18 | 3.30 | 6.60 | 8.1 | 10.2 |
10 | 3/8 | 25 | 28 | 33 | 19 | 22 | 25 | 25 | 33 | 38 | 3.18 | 3.51 | 6.98 | 9.1 | 10.4 |
15 | 1/2 | 28 | 33 | 38 | 22 | 25 | 28 | 33 | 38 | 46 | 3.18 | 4.09 | 8.15 | 10.9 | 13.6 |
20 | 3/4 | 33 | 38 | 44 | 25 | 28 | 33 | 38 | 46 | 56 | 3.18 | 4.32 | 8.53 | 12.7 | 13.9 |
25 | 1 | 38 | 44 | 51 | 28 | 33 | 35 | 46 | 56 | 62 | 3.68 | 4.98 | 9.93 | 14.7 | 17.3 |
32 | 1-1/4 | 44 | 51 | 60 | 33 | 35 | 43 | 56 | 62 | 75 | 3.89 | 5.28 | 10.59 | 17.0 | 18.0 |
40 | 1-1/2 | 51 | 60 | 64 | 35 | 43 | 44 | 62 | 75 | 84 | 4.01 | 5.56 | 11.07 | 17.8 | 18.4 |
50 | 2 | 60 | 64 | 83 | 43 | 44 | 52 | 75 | 86 | 102 | 4.27 | 7.14 | 12.09 | 19.0 | 19.2 |
65 | 2-1/2 | 76 | 83 | 95 | 52 | 52 | 64 | 92 | 102 | 121 | 5.61 | 7.65 | 15.29 | 23.6 | 28.9 |
85 | 3 | 86 | 95 | 106 | 64 | 64 | 79 | 109 | 121 | 146 | 5.99 | 8.84 | 16.64 | 25.9 | 30.5 |
100 | 4 | 106 | 114 | 114 | 79 | 79 | 79 | 146 | 152 | 152 | 6.55 | 11.18 | 18.67 | 27.7 | 33.0 |
DN | NPS | End to End Couplings W |
End to End Caps P |
O.D. D | End Wall Thick. G Minimum |
Length of Thread. Minimum (1) |
||||
---|---|---|---|---|---|---|---|---|---|---|
Class 3000&Class 6000 | Class 3000 | Class 6000 | Class 3000 | Class 6000 | Class 3000 | Class 6000 | B | L2 | ||
6 | 1/8 | 32 | 19 | … | 16 | 22 | 4.8 | … | 6.4 | 6.7 |
8 | 1/4 | 35 | 25 | 27 | 19 | 25 | 4.8 | 6.4 | 8.1 | 10.2 |
10 | 3/8 | 38 | 25 | 27 | 22 | 32 | 4.8 | 6.4 | 9.1 | 10.4 |
15 | 1/2 | 48 | 32 | 33 | 28 | 38 | 6.4 | 7.9 | 10.9 | 13.6 |
20 | 3/4 | 51 | 37 | 38 | 35 | 44 | 6.4 | 7.9 | 12.7 | 13.9 |
25 | 1 | 60 | 41 | 43 | 44 | 57 | 9.7 | 11.2 | 14.7 | 17.3 |
32 | 1-1/4 | 67 | 44 | 46 | 57 | 64 | 9.7 | 11.2 | 17.0 | 18.0 |
40 | 1-1/2 | 79 | 44 | 48 | 64 | 76 | 11.2 | 12.7 | 17.8 | 18.4 |
50 | 2 | 86 | 48 | 51 | 76 | 92 | 12.7 | 15.7 | 19.0 | 19.2 |
65 | 2-1/2 | 92 | 60 | 64 | 92 | 108 | 15.7 | 19.0 | 23.6 | 28.9 |
80 | 3 | 108 | 65 | 68 | 108 | 127 | 19.0 | 22.4 | 25.9 | 30.5 |
100 | 4 | 121 | 68 | 75 | 140 | 159 | 22.4 | 28.4 | 27.7 | 33.0 |
Threaded Pipe Fittings Pressure Rating
ASME B16.11 Pressure-Temperature | |||||
---|---|---|---|---|---|
Temperature | Class | ||||
150 | 300 | ||||
1/4 - 1 inch. | 1 1/4 - 2 inch. | 2 1/2 - 3 inch. | |||
(oF) | (oC) | ||||
-20 to 150 | -29 to 66 | 300 | 2000 | 1500 | 1000 |
200 | 93 | 265 | 1785 | 1350 | 910 |
250 | 121 | 225 | 1575 | 1200 | 825 |
300 | 149 | 185 | 1360 | 1050 | 735 |
350 | 177 | 150 | 1150 | 900 | 650 |
400 | 204 | - | 935 | 750 | 560 |
450 | 232 | - | 725 | 600 | 475 |
500 | 260 | - | 510 | 450 | 385 |
550 | 288 | - | 300 | 300 | 300 |
Carbon Steel Threaded Pipe Fittings Weight Chart
Normal Pipe Size | A | B | QTY | Weight In KG |
---|---|---|---|---|
¼ | 0.81 | 0.88 | 160 | 0.20 |
⁄ | 0.97 | 1.00 | 130 | 0.26 |
½ | 1.12 | 1.31 | 100 | 0.57 |
¾ | 1.31 | 1.5 | 75 | 0.71 |
1 | 1.5 | 1.81 | 40 | 1.08 |
1 ¼ | 1.75 | 2.19 | 25 | 1.68 |
1 ½ | 2.00 | 2.44 | 18 | 2.38 |
2 | 2.38 | 2.97 | 10 | 3.55 |
2 ½ | 3.00 | 3.62 | 4 | 6.22 |
3 | 3.38 | 4.31 | 2 | 10.36 |
4 | 4.19 | 5.75 | 1 | 23.91 |
Well-known Forged Steel Threaded Fittings Supplier In Mumbai, India, BSP Fitting Size Chart, Check Cast Iron Screwed Pipe Fittings Available In A Wide Range Of Grades Abd Shape.
Forged Threaded Fittings Size Chart
Normal Pipe Sizes | Min. Length of Thread |
O.D> of Band D |
Center to End A |
Min. Wall Thick. |
|
B | J | ||||
1/2 | 10.9 | 13.6 | 33 | 28 | 3.18 |
3/4 | 12.7 | 13.9 | 38 | 33 | 3.18 |
1 | 14.7 | 17.3 | 46 | 38 | 3.68 |
1 ¼ | 17 | 18 | 56 | 44 | 3.89 |
1 ½ | 17.8 | 18.4 | 62 | 51 | 4.01 |
2 | 19 | 19.2 | 75 | 60 | 4.27 |
2 ½ | 23.6 | 28.9 | 92 | 76 | 5.61 |
3 | 25.9 | 30.5 | 109 | 86 | 5.99 |
4 | 27.7 | 33 | 146 | 106 | 6.55 |
NPT Fittings Dimensions
Thread Of NPT Size And Pitch |
Dash Size |
Thread Male Minor Outside Daimeter |
Female ID Thread |
||
inches – TPI | millimeter | inches | millimeter | inches | |
1/8 – 27 | -02 | 9,9 | 0.39 | 8,4 | 0.33 |
1/4 – 18 | -04 | 13,2 | 0.52 | 11,2 | 0.44 |
3/8 – 18 | -06 | 16,6 | 0.65 | 14,7 | 0.58 |
1/2 – 14 | -08 | 20,6 | 0.81 | 17,8 | 0.70 |
3/4 – 14 | -12 | 26,0 | 1.02 | 23,4 | 0.92 |
1 – 11.1/2 | -16 | 32,5 | 1.28 | 29,5 | 1.16 |
1.1/4 – 11.1/2 | -20 | 41,2 | 1.62 | 38,1 | 1.50 |
1.1/2 – 11.1/2 | -24 | 47,3 | 1.86 | 43,9 | 1.73 |
2 – 11.1/2 | -32 | 59,3 | 2.33 | 56,4 | 2.22 |
2.1/2 – 8 | -40 | 71,5 | 2.82 | 69,1 | 2.72 |
3 – 8 | -48 | 87,3 | 3.44 | 84,8 | 3.34 |
Fast Delivery On Class 3000 Brass Threaded Fittings, ASME B16.11 For Seamless And Welded Connection.
BSP Fittings Dimensions
Bspp And Bspt Pitch And Size |
Dash Size |
Bspt Male Thread Outside Daimeter |
Bspp Male THREAD Outside Daimeter |
Bspt Female Thread Inside Daimeter |
Bspt Female Thread Inside Daimeter |
||||
inches – TPI | millimeter | inches | millimeter | inches | millimeter | inches | millimeter | inches | |
1/8 – 28 | -02 | 9,5 | 0.37 | 9,6 | 0.38 | 8,4 | 0.33 | 8,6 | 0.34 |
1/4 – 19 | -04 | 12,8 | 0.50 | 13,0 | 0.51 | 11,2 | 0.44 | 11,9 | 0.47 |
3/8 – 19 | -06 | 16,3 | 0.64 | 16,5 | 0.65 | 14,7 | 0.59 | 15,2 | 0.60 |
1/2 – 14 | -08 | 20,4 | 0.80 | 20,8 | 0.82 | 18,3 | 0.72 | 19,1 | 0.75 |
5/8 – 14 | -10 | 22,5 | 0.89 | 22,8 | 0.90 | 20,6 | 0.81 | 20,8 | 0.82 |
3/4 – 14 | -12 | 25,9 | 1.02 | 26,3 | 1.04 | 23,9 | 0.94 | 24,6 | 0.97 |
1 – 11 | -16 | 32,6 | 1.28 | 33,1 | 1.30 | 29,7 | 1.17 | 30,7 | 1.21 |
1.1/4 – 11 | -20 | 41,1 | 1.62 | 41,8 | 1.64 | 38,6 | 1.52 | 39,4 | 1.55 |
1.1/2 – 11 | -24 | 47,0 | 1.85 | 47,7 | 1.88 | 44,5 | 1.75 | 45,5 | 1.79 |
2 -11 | -32 | 58,6 | 2.31 | 59,5 | 2.34 | 56,4 | 2.22 | 57,4 | 2.26 |
2.1/2 – 11 | -40 | 74,1 | 2.92 | 75,1 | 2.95 | 71,9 | 2.83 | 72,6 | 2.86 |
3 – 11 | -48 | 86,6 | 3.41 | 87,9 | 3.46 | 84,6 | 3.33 | 85,4 | 3.36 |
Tolerance Chart Of Screwed Fittings
ANSI B16.11 American Standard Dimensional Tolerances | ||
---|---|---|
"A" - Threaded Center To Bottom | For Size 1/8" And 1/4" | ± 0.03" |
3/8", 1/2" And 3/4" | ± 0.06" | |
1", 1-1/4", 1-1/2" And 2" | ± 0.08" | |
2-1/2", 3", And 4" | ± 0.10" | |
"B" - Threaded Bore Diameter | For Size 1-1/2" And Smaller | + 0.020" - 0.000" |
2", 2-1/2", 3" And 4" | + 0.025" - 0.000" | |
"C" - Threaded Wall Thick. | Min. = 1.09 T (But Not Less Than 5/32") T = Wall Thickness Of Nominal Pipe Sizes | |
"D" - Bore Diameter Of Pipe Fitting | For Size 2" And Smaller | ± 0.030" |
2-1/2", 3" And 4" | ± 0.060" | |
"E" - Threadeds- Bottom To Bottom - Full Couplings | For Size 1/8" And 1/4" | ± 0.06" |
3/8", 1/2" And 3/4" | ± 0.12" | |
1", 1-1/4", 1-1/2" And 2" | ± 0.16" | |
2-1/2", 3", And 4" | ± 0.20" | |
"F" - Bottom Of Threaded To Opposite Face - ANSI B16.11 Half Couplings | For Size 1/8" And 1/4" | ± 0.03" |
3/8", 1/2" And 3/4" | ± 0.06" | |
1", 1-1/4", 1-1/2" And 2" | ± 0.08" | |
2-1/2", 3", And 4" | ± 0.10" | |
"G" - Gap Of Welding | Approx. 0.06" Before Welding Recommended Gap | |
"H" - Min. Flat | Min. Flat = 0.75 X Min. Threaded Wall Thick. |
Difference Between Socket Weld And Threaded
ASME B16.11 Threaded Fittings can be used to withstand higher pressures and temperatures. The different ASME B16.11 Threaded Pipe Fittings allow for the fittings to be used under different standards such as the Npt Threaded Fittings standards and the ASME B16.11 standards.
- Socket Weld fitting of all sizes and materials and they offer forged fittings weight chart for the client to decide which fitting is better for their needs. The pressure requirements often differ from application to application and this is managed by pressure classes
Dimensions Of American Standard Taper Pipe Thread As Per ANSI/ASME B1.20.1
DN-NPT | Major Daimeter millimeter |
Tapping Drill Size millimeter |
TPI | Pitch 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 |
1¼" | 41.985 | 37.00 | 11.5 | 2.209 |
1½" | 48.054 | 43.50 | 11.5 | 2.209 |
2" | 60.092 | 55.00 | 11.5 | 2.209 |
2½" | 72.699 | 65.50 | 8 | 3.175 |
3" | 88.608 | 81.50 | 8 | 3.175 |
3½" | 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 |
Class 3000/ 6000/ 9000 Threaded Fittings Pressure Rating
Description | Class Designation | ||
3000# | 6000# | 9000# | |
45 deg and 90 deg elbow Tee, Coupling, Crosse, Half-Coupling, End or NPT Pipe 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 | |
Pipe Size by Wall Thickness |
SCH 80 / XS | SCH 160 | XXS |