Screw Fitting & Thread Pipe Fittings Manufacturer and Supplier

A screwed-threaded fitting is a type of pipe fitting generally used to attach two or more tubes or pipe fittings. Therefore these Screwed Threaded Fittings are screwed mutually to join or connect the piping systems. These fittings are helped in regulating, changing, and measuring the way the fluids. Moreover, these are closed or seal the pipes to avoid any leakage.

Screwed-Threaded Fittings Supplier

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These Threaded Fittings are tapering grooves cut into the ends of the run pipe and easily accumulate without any other permanent means of attachment and welding. The Screwed Fittings are designed in both male and female fittings. The male threaded Fittings pose external threads that are screwed inside the pipe end, while the female Screwed Threaded Fittings ensure internal thread and are either screwed inside or outside the pipe end.

The Screwed Threaded Fittings and several other fittings, like Buttweld Pipe Fittings are designed from various materials that offer superior resistance properties. Moreover, it exhibits excellent formability, durability, and workability. These Screwed Pipe Fittings are anti-corrosive and possess high tensile strength. Furthermore, in a hostile environment, it demonstrates superior resistance to pitting, crevice, and stress corrosion cracking. These Threaded Fittings acclaimed superior dimensional accuracy and required low maintenance.

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The leading and renowned manufacturing companies offer exclusive Screwed-Threaded Fittings worldwide. Thus, they provide a standard quality product to their valuable customers in a diverse range of sizes, shapes, lengths, and thicknesses per their requirements. On the other hand, highly advanced technology and equipment are installed in the manufacturing unit to meet the global standard product.

Several quality inspections and tests are performed at various production stages to ensure the fittings' quality and strength. Such tests include flaring, hardness, micro/macro, PMI, chemical analysis, IGC, pitting resistance, and many more.

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One of the oldest and most effective methods of connecting piping systems is credited to Screwed Threaded Fittings. Like the socket welded fittings, screw fittings get widely used for piping with NPS 2 as nominal and small pipe diameter. Top-class producers aim to offer Screwed Fittings with ASME B1.20.1 as dimensional standards. They even provide a document that includes information on pitch diameter, normal engagement lengths, and no. of threads/inch. Modern technology helps manufacture high-grade materials to match up with marketing standards.

What are the materials used for Screwed Threaded Fittings?

Screwed Threaded Fittings are available in various materials, including stainless steel, carbon steel, brass & copper. The choice of material depends on the specific application requirements.

What industries use Screwed-Threaded Fittings?

Screwed Fittings are widely used in many industries due to their ease of installation, versatility, durability, and cost-effectiveness. Industries that commonly use Screwed-Threaded Fittings include oil & gas, marine, chemical processing, pharmaceuticals, power generation, food and beverage, water treatment, plumbing and heating, mining and minerals, and many others.

What are the benefits of using Screwed-Threaded Fittings?

Screwed Pipe Fittings offer several benefits, making them a popular choice for connecting pipes & fittings in various industries. One of the main benefits is the ease of installation, as these fittings can be simply threaded onto the end of a pipe or another fitting

Detail of Screwed Threaded Fittings :

• Moderately high installation productivity eradicates specialized installation skills
• To encounter vibrations, low-temperature installations are instilled and for excellent performance at low-pressure leakage integrity comes into existence
• The hydraulic fitting is created in JIC, NTP, METRIC, and BSP

Standard specifications of Screwed-Threaded Fittings:
Dimensions : MSS SP-95, BS 3799, ASME 16.11, 83, MSS SP-79, 97, 95
Pressure class : 4500 LBS, 6000 LBS, and 3000 LBS
Forms: Union female/male, union
Size : 1/8”NB-4” NB

Features -
The screwed-threaded-fittings have features such as-
• Anti-corrosive with respect to the environment
• It has the high tensile strength
• It is stress corrosion cracking/crevice corrosive/pitting/oxidation/corrosion resistance
• It has acclaimed dimensional accuracy

Know the testing -
Given below are some of the tests to assure clients get the high-quality product-
• Intergranular corrosion test
• Micro/macro test
• Mechanical test and chemical test
• Flattering test and flaring test
• Hardness test
• Identification test for positive material

Surya fittings delivers top-class screwed threaded fittings to international as well as domestic clients. So, go and get one such for utmost performance.

Price List of Screwed Threaded Fittings

  • High Quality Forged Stainless Steel Screwed Threaded Fittings
    US $0.1 - 100 / Piece
  • ss screwed pipe fittings
    US $0.5-10 / Piece
  • SS Screw Pipe Fittings Stainless Steel Threaded Pipe Fittings
    US $0.2-10 Piece
  • stainless steel screwed 304 316 class 150 hex nipple pipe fittings
    US $1-50 / Piece
  • stainless steel screw thread equal tee pipe fittings
    US $1-15 / Piece
  • 150LBS stainless steel screwed fittings
    US $20.0-20.0 / Piece
  • stainless steel screwed pipe fittings, including elbow tee union cross coupling
    US $0.1-0.1 / Piece
  • ANSI stainless steel threaded/screwed pipe fittings, including
    US $1-10 / Piece
  • Stainless Steel Screwed Threaded Pipe Fittings
    US $1-30 / Piece
  • pipe fitting,screwed/threaded hexagon/hex head nipple
    US $1-100 / Piece
  • Manufacturer Factory Provide Directly Screw Pipe Fitting
    US $0.1-100 / Piece
  • Manufacturer custom cnc machining brass screw pipe fitting
    US $3-100 / Piece
  • male thread plug bspt pvc screw pipe fitting
    US $0.01-42 / Piece
  • BSP / NPT Threaded Screwed Stainless Steel Pipe Fitting Union / Elbow Fitting
    US $0.2-200 / Piece
  • Forged BSP / NPT Threaded Screwed Stainless Steel Pipe Fitting Union / Elbow Fitting
    US $1-100 / Piece
  • 1 inch or 1/2 inch or 3/4 inch good quality forged brass screw pipe plug fitting
    US $0.2-4 / Piece
  • Hex Nipple Double Screwed Pipe Fitting
    US $0.1-100 / Piece
  • Thread Hex Nipple, Precision Pipe Fitting, Screwed Pipe Fitting
    US $0.1-30 / Piece
  • Asme B16.11 Forged Threaded Pipe Fittings
    $0.9 - $1.0 / Piece
  • Hose Fittings and Couplings Hydraulic Fittings PP Threaded Pipe Fittings
    $0.029 - $0.45 / Piece

Screwed Threaded Fittings Size Chart

NPS Center to End
A
Outside Diameter
of Band
D
Minimum
Wall Thickness
Minimum Length
of Thread
B J
1/2 28 33 3.18 10.9 13.6
3/4 33 38 3.18 12.7 13.9
1 38 46 3.68 14.7 17.3
1 ¼ 44 56 3.89 17 18
1 ½ 51 62 4.01 17.8 18.4
2 60 75 4.27 19 19.2
2 ½ 76 92 5.61 23.6 28.9
3 86 109 5.99 25.9 30.5
4 106 146 6.55 27.7 33

Tolerance of Screwed Threaded Fittings

ND Max off angle Max off plane
Q P
1/2 a 4 1 2
5 a 8 2 4
10 a 12 3 5
14 a 16 3 7
18 a 24 4 10
26 a 30 5 10
32 a 42 5 13
44 a 48 5 20

Dimensions of Screwed Threaded Fittings

DN Nom.
Pipe
Size
Center to End
Elbows.Tees.Cross
A
Center to End
45° Elbow
C
Outside Diameter
of Band
H
Minumum Wall
Thickness G
2000 3000 6000 2000 3000 6000 2000 3000 6000 2000 3000 6000
6 1/8 21 21 25 17 17 19 22 22 25 3.18 3.18 6.35
8 1/4 21 25 28 17 19 22 22 25 33 3.18 3.30 6.60
10 3/8 25 28 33 19 22 25 25 33 38 3.18 3.51 6.98
15 1/2 28 33 38 22 25 28 33 38 46 3.18 4.09 8.15
20 3/4 33 38 44 25 28 33 38 46 56 3.18 4.32 8.53
25 1 38 44 51 28 33 35 46 56 62 3.68 4.98 9.93
32 1-1/4 44 51 60 33 35 43 56 62 75 3.89 5.28 10.59
40 1-1/2 51 60 64 35 43 44 62 75 84 4.01 5.56 11.07
50 2 60 64 83 43 44 52 75 86 102 4.27 7.14 12.09
65 2-1/2 76 83 95 52 52 64 92 102 121 5.61 7.65 15.29
85 3 86 95 106 64 64 79 109 121 146 5.99 8.84 16.64
100 4 106 114 114 79 79 79 146 152 152 6.55 11.18 18.67

Pressure Rating of Screwed Threaded Fittings

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

Chemical Composition of Screwed Threaded Fittings

ASTM A182 Forged Fittings %
A182 Grade C Mn P S Si Ni Cr Mo Nb Ti Others
Stainless steel F304 Forged Fittings 0.08 2.0 0.045 0.030 1.0 8.0-11.0 18.0-20.0
Stainless steel F304H Forged Fittings 0.04-0.10 2.0 0.045 0.030 1.0 8.0-11.0 18.0-20.0
Stainless steel F304L Forged Fittings 0.030 2.0 0.045 0.030 1.0 8.0-13.0 18.0-20.0
Stainless steel F304N Forged Fittings 0.08 2.0 0.045 0.030 1.0 8.0-10.5 18.0-20.0
Stainless steel F304LN(2) Forged Fittings 0.030 2.0 0.045 0.030 1.0 8.0-10.5 18.0-20.0
Stainless steel F309H Forged Fittings 0.04-0.10 2.0 0.045 0.030 1.0 12.0-15.0 22.0-24.0
Stainless steel F310 Forged Fittings 0.25 2.0 0.045 0.030 1.0 19.0-22.0 24.0-26.0
Stainless steel F310H Forged Fittings 0.04-0.10 2.0 0.045 0.030 1.0 19.0-22.0 24.0-26.0
Stainless steel F310MoLN Forged Fittings 0.030 2.0 0.030 0.015 0.40 21.0-23.0 24.0-26.0 2.0-3.0 N 0.10-0.16
Stainless steel F316 Forged Fittings 0.08 2.0 0.045 0.030 1.0 10.0-14.0 16.0-18.0 2.0-3.0
Stainless steel F316H Forged Fittings 0.04-0.10 2.0 0.045 0.030 1.0 10.0-14.0 16.0-18.0 2.0-3.0
Stainless steel F316L Forged Fittings 0.030 2.0 0.045 0.030 1.0 10.0-15.0 16.0-18.0 2.0-3.0
ASTM A182 F316N Forged Fittings 0.08 2.0 0.045 0.030 1.0 11.0-14.0 16.0-18.0 2.0-3.0
SS F316LN(2) Forged Fittings 0.030 2.0 0.045 0.030 1.0 11.0-14.0 16.0-18.0 2.0-3.0
ASTM A182 F316Ti Forged Fittings 0.08 2.0 0.045 0.030 1.0 10.0-14.0 16.0-18.0 2.0-3.0 (3) N 0.10 max
ASTM A182 F317 Forged Fittings 0.08 2.0 0.045 0.030 1.0 11.0-15.0 18.0-20.0 3.0-4.0
ASTM A182 F317L Forged Fittings 0.030 2.0 0.045 0.030 1.0 11.0-15.0 18.0-20.0 3.0-4.0
ASTM A182 F321 Forged Fittings 0.08 2.0 0.045 0.030 1.0 9.0-12.0 17.0-19.0 (4)
ASTM A182 F321H Forged Fittings 0.04-0.10 2.0 0.045 0.030 1.0 9.0-12.0 17.0-19.0 (5)
ASTM A182 F347 Forged Fittings 0.08 2.0 0.045 0.030 1.0 9.0-13.0 17.0-20.0 (6)
ASTM A182 F347H Forged Fittings 0.04-0.10 2.0 0.045 0.030 1.0 9.0-13.0 17.0-20.0 (7)
ASTM A182 F348 Forged Fittings 0.08 2.0 0.045 0.030 1.0 9.0-13.0 17.0-20.0 (6) Co 0.20
Ta 0.10
ASTM A182 F348H Forged Fittings 0.04-0.10 2.0 0.045 0.030 1.0 9.0-13.0 17.0-20.0 (7) Co 0.20
Ta 0.10

Mechanical Properties of Screwed Threaded Fittings

Type Of Grade UNS Number Tensile Properties
(ksi) minimum
Yield Properties
(ksi) minimum
Elongation
minimum
Hardness
(Brinell) maximum
Hardness
(Rockwell B) maximum
302 S30200 75 30 40% in 2″ 183 88
304* S30400 75 30 40% in 2″ 183 88
304L* S30403 70 30 40% in 2″ 183 88
309 S30900 75 30 40% in 2″ 217 95
309S S30908 75 30 40% in 2″ 217 95
310 S31000 75 30 40% in 2″ 217 95
310S S31008 75 30 40% in 2″ 217 95
316* S31600 75 30 40% in 2″ 217 95
316L* S31603 70 25 35% in 2″ 217 95
317 S31700 75 30 35% in 2″ 217 95
317L S31703 75 30 35% in 2″ 217 95
321 S32100 75 30 40% in 2″ 183 88
347 S34700 75 30 40% in 2″ 183 88

Types of Screwed-Threaded Fittings :

» Forged 90 Deg Screwed-Threaded Elbow
» Forged 45 Deg Screwed-Threaded Elbow
» Forged Screwed-Threaded Equal Tee
» Forged Screwed-Threaded Unequal Tee
» Forged Screwed-Threaded Equal Cross
» Forged Screwed-Threaded Unequal Cross
» Forged Screwed-Threaded Half coupling
» Forged Screwed-Threaded Full coupling
» Forged Screwed-Threaded Cap
» Forged Screwed-Threaded Plug
» Forged Screwed-Threaded Bushing
» Forged Screwed-Threaded Hex Nipples
» Street Elbows
» Welding Boss
» Union BS 3799
» Swage Nipple
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