ISO 9001:2015IBR ApprovedEstablished 1971Full Material Traceability
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Threaded Fittings — OEM manufacturer, Teshi Group

OEM manufacturer ASME B16.11 · ASME B1.20.1 (NPT) · BS 21 (BSPT)

Threaded Fittings Manufacturer in India — NPT & BSPT

Teshi Group is an OEM manufacturer of forged threaded (screwed) fittings with NPT threads to ASME B1.20.1 or BSPT to BS 21, for instrument, utility and small-bore process lines. Elbows, tees, crosses, couplings, caps, plugs, bushings and hex nipples are machined from ASTM A105 and A182 F304/F316 forgings in Class 2000, 3000 and 6000. Thread gauging is recorded for every batch.

Thread gauging is recorded for every batch — NPT to ASME B1.20.1, BSPT on request.

Size rangeNPS ⅛"–4"
Material familiesCS / SS
Governing standardsASME B16.11, ASME B1.20.1
Quote in 24–48 hoursSee specifications

Threaded Fittings — specifications & size ranges

TypeStandardSize rangePressure classMaterial grades
Elbow 90° / 45°ASME B16.11⅛"–4"2000# / 3000# / 6000#Carbon steel A105, A181, A694 F42–F70; LTCS A350 LF1, LF2, LF3, LF6; alloy A182 F1, F5, F9, F11, F12, F22, F91, F92; stainless F304/L/H, F310, F316/L/H/Ti, F317L, F321/H, F347/H; 904L, 254 SMO (F44); duplex F51, F60; super duplex F53, F55, F61; Monel 400/K-500, Inconel 600/625/718, Incoloy 800/825, Hastelloy C276/C22/B2, Alloy 20; titanium Gr 1/2/5/7/12; Cu-Ni 90/10, 70/30
Tee / CrossASME B16.11⅛"–4"2000# / 3000# / 6000#Carbon steel A105, A181, A694 F42–F70; LTCS A350 LF1, LF2, LF3, LF6; alloy A182 F1, F5, F9, F11, F12, F22, F91, F92; stainless F304/L/H, F310, F316/L/H/Ti, F317L, F321/H, F347/H; 904L, 254 SMO (F44); duplex F51, F60; super duplex F53, F55, F61; Monel 400/K-500, Inconel 600/625/718, Incoloy 800/825, Hastelloy C276/C22/B2, Alloy 20; titanium Gr 1/2/5/7/12; Cu-Ni 90/10, 70/30
Coupling / Half CouplingASME B16.11⅛"–4"3000# / 6000#Carbon steel A105, A181, A694 F42–F70; LTCS A350 LF1, LF2, LF3, LF6; alloy A182 F1, F5, F9, F11, F12, F22, F91, F92; stainless F304/L/H, F310, F316/L/H/Ti, F317L, F321/H, F347/H; 904L, 254 SMO (F44); duplex F51, F60; super duplex F53, F55, F61; Monel 400/K-500, Inconel 600/625/718, Incoloy 800/825, Hastelloy C276/C22/B2, Alloy 20; titanium Gr 1/2/5/7/12; Cu-Ni 90/10, 70/30
Hex Plug / BushingASME B16.11⅛"–4"3000# / 6000#Carbon steel A105, A181, A694 F42–F70; LTCS A350 LF1, LF2, LF3, LF6; alloy A182 F1, F5, F9, F11, F12, F22, F91, F92; stainless F304/L/H, F310, F316/L/H/Ti, F317L, F321/H, F347/H; 904L, 254 SMO (F44); duplex F51, F60; super duplex F53, F55, F61; Monel 400/K-500, Inconel 600/625/718, Incoloy 800/825, Hastelloy C276/C22/B2, Alloy 20; titanium Gr 1/2/5/7/12; Cu-Ni 90/10, 70/30
Hex NippleMSS SP-95⅛"–2"SCH 80 / SCH 160Carbon steel A105, A181, A694 F42–F70; LTCS A350 LF1, LF2, LF3, LF6; alloy A182 F1, F5, F9, F11, F12, F22, F91, F92; stainless F304/L/H, F310, F316/L/H/Ti, F317L, F321/H, F347/H; 904L, 254 SMO (F44); duplex F51, F60; super duplex F53, F55, F61; Monel 400/K-500, Inconel 600/625/718, Incoloy 800/825, Hastelloy C276/C22/B2, Alloy 20; titanium Gr 1/2/5/7/12; Cu-Ni 90/10, 70/30

Threaded Fittings types

9 products
OEM manufacturer

Threaded Elbow

ASME B16.11 · ASME B1.20.1

View productOEM manufacturer

Threaded Tee

ASME B16.11 · ASME B1.20.1

View productOEM manufacturer

Threaded Cross

ASME B16.11 · ASME B1.20.1

View productOEM manufacturer

Threaded Coupling

ASME B16.11 · ASME B1.20.1

View productOEM manufacturer

Threaded Union

MSS SP-83 · ASME B1.20.1

View productOEM manufacturer

Threaded Cap

ASME B16.11 · ASME B1.20.1

View productOEM manufacturer

Threaded Plug

ASME B16.11 · ASME B1.20.1

View productOEM manufacturer

Hex Head Bushing

ASME B16.11 · ASME B1.20.1

View productOEM manufacturer

Hex Nipple & Pipe Nipple

ASTM A733 · ASME B1.20.1

View product

Technical data sheets

Forged Threaded Fittings data sheetView online · download PDFProduct catalogue (PDF)All 11 categories, specifications and size ranges

Dimensional standards

ASME B16.11 threaded fitting dimensionsASME B16.11 · view online · download PDFNPT thread dimensions (ASME B1.20.1)ASME B1.20.1 · view online · download PDFMSS SP-97 Weldolet dimensionsMSS SP-97 · view online · download PDFMSS SP-83 Union dimensionsMSS SP-83 · view online · download PDFMSS SP-95 Swage Nipple & Bull Plug dimensionsMSS SP-95 · view online · download PDFIS 1239 Part 2 Steel Pipe Fitting dimensionsIS 1239-2 · view online · download PDF

Material grades

All grades
ASTM A105ASTM A182 F304ASTM A182 F316ASTM A350 LF2 Cl.1ASTM A182 F304LASTM A182 F316LASTM A182 F321ASTM A182 F11 Cl.2ASTM A182 F22 Cl.3ASTM A182 F91ASTM A182 F51UNS N08904 (904L)ASTM A182 F304HASTM A182 F316HASTM A182 F316TiASTM A182 F317LASTM A182 F310ASTM A182 F321HASTM A182 F347ASTM A182 F347HASTM A182 F44 (254 SMO)ASTM A182 F62 (Alloy 6XN)ASTM B462 Alloy 20 (UNS N08020)ASTM A182 F60 (Duplex 2205)ASTM A182 F61 (Alloy 255)ASTM A182 F53 (Super Duplex 2507)ASTM A182 F55 (Super Duplex S32760)Alloy 625 (UNS N06625)Alloy 600 (UNS N06600)Alloy 825 (UNS N08825)Alloy 800 / 800H / 800HTAlloy C-276 (UNS N10276)Alloy C-22 (UNS N06022)Alloy 400 (UNS N04400)Nickel 200 / 201 (UNS N02200 / N02201)Titanium Grade 2 (UNS R50400)Titanium Grade 5 (Ti-6Al-4V)Titanium Grade 7 (UNS R52400)Titanium Grade 12 (UNS R53400)ASTM A350 LF3 Cl.1ASTM A694 F52ASTM A694 F60ASTM A694 F65ASTM A694 F70ASTM A182 F5ASTM A182 F9ASTM A182 F12 Cl.2ASTM A182 F1ASTM A182 F2ASTM A182 F5aASTM A182 F11 Cl.1ASTM A182 F11 Cl.3ASTM A182 F12 Cl.1ASTM A182 F21ASTM A182 F22 Cl.1ASTM A182 F92

Complete material range

Carbon steel
ASTM A105 / A105N; ASTM A181 Cl 60, Cl 70; ASTM A266 Gr 2, Gr 4 (large forgings)
High-yield carbon steel
ASTM A694 F42, F46, F48, F50, F52, F56, F60, F65, F70 (MSS SP-44 grades F52–F70)
Low-temperature carbon steel
ASTM A350 LF1, LF2 Cl 1, LF2 Cl 2, LF3, LF6, LF9
Alloy steel (Cr-Mo)
ASTM A182 F1, F2, F5, F5a, F9, F11 Cl 1 / 2 / 3, F12 Cl 1 / 2, F21, F22 Cl 1 / 3, F22V, F91, F92, F911; ASTM A336 F11, F22 (large forgings)
Stainless steel
ASTM A182 F304, F304L, F304H, F304LN, F309H, F310, F316, F316L, F316H, F316LN, F316Ti, F317, F317L, F321, F321H, F347, F347H, F348
904L and 6Mo
904L (ASTM A182 F904L, UNS N08904); 254 SMO / 6Mo (ASTM A182 F44, UNS S31254); AL-6XN (ASTM A182 F62, UNS N08367)
Duplex stainless steel
ASTM A182 F51 (UNS S31803), F60 (UNS S32205, 2205)
Super duplex stainless steel
ASTM A182 F53 (UNS S32750, 2507), F55 (UNS S32760), F61 (UNS S32550)
Nickel alloys
ASTM B564 / B160 / B462: Nickel 200 / 201 (N02200 / N02201), Monel 400 (N04400), Monel K-500 (N05500), Inconel 600 (N06600), Inconel 625 (N06625), Inconel 718 (N07718), Incoloy 800 / 800H / 800HT (N08800 / N08810 / N08811), Incoloy 825 (N08825), Hastelloy C276 (N10276), Hastelloy C22 (N06022), Hastelloy B2 / B3 (N10665 / N10675), Alloy 20 (N08020)
Titanium
ASTM B381 Grade F1, F2, F5 (Ti-6Al-4V), F7, F12
Copper-nickel
Cu-Ni 90/10 (UNS C70600) and 70/30 (UNS C71500), ASTM B151 bar; flanges to ASME B16.5 or EEMUA 145

ASME B16.11 pressure class and matching pipe schedule

Forged fitting class is chosen to match the wall thickness of the pipe it joins.

ClassSocket weld — matching pipeThreaded — matching pipeSize range
2000—Sch 80 / XS⅛"–4"
3000Sch 80 / XSSch 160⅛"–4"
6000Sch 160XXS⅛"–4"
9000XXS—½"–2"

Per ASME B16.11 Table 1. Fittings may be used with other schedules; the governing standard and piping code take precedence.

Documentation

What you receive with every order

  1. Hard-stamped heat number
  2. EN 10204 3.1 mill test certificate
  3. Dimensional inspection report against the governing standard
  4. Packing list with heat numbers
  5. Third-party inspection on request
  6. Seaworthy wooden cases for export orders
Reference book · PDF

Complete Fitting Dimensions

ASME B16.9 and EN 10253 / DIN butt weld fittings; MSS SP-43, SP-75, SP-83, SP-95, SP-97; B16.11 and IS 1239 SW / threaded; NPT; pipe schedules · A4 book · 62 pages

DownloadReference book · PDF

Complete Piping Dimension Catalogue

Pipes, flanges, fittings, olets, bolting, gaskets, plates and structurals, P-T ratings, alloy chemistry and mechanicals · A4 book · 194 pages

Download

FAQ

Threaded Fittings: common questions

What thread forms are available?

NPT taper threads to ASME B1.20.1 as standard, and BSPT taper threads to BS 21 / ISO 7-1 on request.

Which pipe schedule matches each threaded class?

Under ASME B16.11, Class 2000 threaded fittings correspond to Schedule 80 pipe, Class 3000 to Schedule 160 and Class 6000 to XXS.

When should threaded fittings not be used?

Piping codes restrict threaded joints in severe cyclic, crevice-corrosion and high-temperature service. In those cases socket weld or butt weld fittings are normally specified.

Need a size or grade not listed here?

Our engineering team manufactures against your specific drawing or datasheet, with dimensional sign-off before dispatch.

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