What are the 4 benefits of an Inconel 625 pipe fittings?

These diverse and trustworthy fittings comprise nickel (58%), chromium (up to 23%), and molybdenum (10%). Inconel 625 pipe fittings were first developed for steam piping but now serve multiple critical applications, like fuel refining, distillation towers, and heat exchangers.

  • Brilliant resistance to crevice corrosion, stress-triggered cracking, and pitting: It can withstand water (fresh or sea), alkalis, and chloride ions. These fittings prevent damage caused by naphthenic and polythionic acids.
  • High strength in cryogenic and elevated temperatures (up to 1800°F)
  • Good choice for welding and often used as a filler metal for non-similar welding needs: Niobium helps stabilisea DIN 2.4856 reducing tee and avoids intergranular cracking.
  • High fatigue life,tensile strength, and rupture resistance

Alloy 625 elbow manufacturer in India at lowest price

Inconel 625 pipe fittings manufacturer in India

What is the purpose of testing ASTM B366 WPNCMC elbow?

These elbows efficiently manage flow in industrial pipelines under severe temperatures and pressures. An ASTM B366 WPNCMC elbow operates in chemical processing and nuclear applications like control rod components. Intensive testing ensures quality, performance, and safety.

Manufacturers run non-destructive tests like radiography and ultrasonic examination as a matter of course. They check the tensile strength, dimensional adherence, and other mechanical traits as well. This specification does not state hydrostatic testing as mandatory.

We are Inconel 625 fittings supplier in Mumbai, save costs by purchasing ASTM B366 WPNCMC tee and reducer online here

Inconel 625 pipe fittings

Inconel 625 pipe fittings

ASTM B366 WPNCMC elbow

ASTM B366 WPNCMC elbow

Alloy 625 fittings

Alloy 625 fittings

What are the limitations of Alloy 625 fittings in terms of size range and dimensions?

While placing an order for Alloy 625 fittings, customers must specify the dimensions for the diameter and thickness. The sizes for seamless fittings range from 1/2″ to 10″ NB (NB or the nominal bore denotes an approximate measurement). Welded ones have fewer limitations on the dimensions. You can easily find sizes from 1/2″ to 48″ NB. The typical wall thickness is from 2 to 40 mm.

Manufacturers adhere to internationally accepted specifications – in this case, ASTM B366, which covers fittings manufactured from wrought nickel and related alloys.

As stockist offer ASTM B366 UNS N06625 stub end and pipe cap with radiography (RT) inspection & burst test report

Specifications of Inconel 625 pipe fittings

Inconel 625 pipe fittings specifications

Specification Inconel 625 fittings testing methods Process
ASTM B366 | ASME SB366 proof test, hydrotest, NDT test, destructive Seamless, welded, fabricated fittings
Seamless Fittings Size Welded Fittings Size Standard
1/2″ to 10″ 1/2″ – 48″ ASME/ANSI B16.9, ASME B16.28
Schedule Inconel 625 fittings type Fittings Thickness
Sch 5 to XXS Elbow, tee, reducer, cap stub end 10 swg. to 20 swg.
Receive a range of DIN 2.4856 concentric and eccentric reducer in all sizes (1/2 to 48 inches) with welded/ seamless condition here
Types of Alloy 625 fittings

Inconel 625 fittings

Inconel 625 fittings

  • Sizes: ½”NB to 24″NB
  • Thickness: 1.5MM to 20MM

Nickel alloy 625 tee

Nickel alloy 625 tee

  • Yield strength : Psi – 75,000 , MPa – 517
  • Methods: Seamless, welded, buttweld fittings

ASTM B366 UNS N06625 reducer

ASTM B366 UNS N06625 reducer

  • Temperature: 1200°-1400°F (649-760°C)
  • Schedule: SCH 5 to SCH XXS

Alloy 625 elbow

Alloy 625 elbow

  • Tensile strength : Psi – 1,35,000 , MPa – 930
  • Standard: ASME B16.9, ASTM B366

DIN 2.4856 reducing tee

DIN 2.4856 reducing tee

  • Melting point: 1350 °C (2460 °F)
  • Density: 8.4 g/cm3

Inconel 625 buttweld fittings

Inconel 625 buttweld fittings

  • proof test
  • hydrotest
  • NDT test
Dimensions of DIN 2.4856 reducer
Nominal
Pipe Size
Outside
Diameter
Reducers
Reduced from
(Inch)
(mm) (Inch) Reduced to
(Inch)
Concentric & Eccentric Length
(Inch)
1/2 21.3 0.840 1/4 1 1/2
3/8 1 1/2
3/4 26.7 1.050 3/8 2
1/2 2
1 33.4 1.315 3/8 2
1/2 2
3/4 2
1 1/4 42.2 1.660 1/2 2
3/4 2
1 2
1 1/2 48.3 1.900 1/2 2 1/2
3/4 2 1/2
1 2 1/2
1 1/4 2 1/2
2 60.3 2.375 3/4 3
1 3
1 1/4 3
1 1/2 3
2 1/2 73.0 2.875 1 3 1/2
1 1/4 3 1/2
1 1/2 3 1/2
2 3 1/2
3 88.9 3.500 1 3 1/2
1 1/2 3 1/2
2 3 1/2
2 1/2 3 1/2
3 1/2 101.6 4.000 1 1/4 4
1 1/2 4
2 4
2 1/2 4
3 4
4 114.3 4.500 1 1/2 4
2 4
2 1/2 4
3 4
3 1/2 4
5 141.3 5.563 2 5
2 1/2 5
3 5
3 1/2 5
4 5
6 168.3 6.625 2 1/2 5 1/2
3 5 1/2
3 1/2 5 1/2
4 5 1/2
5 5 1/2
8 219.1 8.625 3 6
3 1/2 6
4 6
5 6
6 6
10 273.1 10.750 4 7
5 7
6 7
8 7
12 323.9 12.750 5 8
6 8
8 8
10 8
Tolerance of Inconel 625 fittings
Inconel 625 fittings Tolerance
Common Type Of Buttweld Fittings 45 degree elbows And 90 deg elbows fittings 180 Deg Returns
Normal Size Of Steel Pipe ID
at End
OD
at Bevel
WT For (Wall Thickness)
t / t1
Center-End Dai. A-B-C-M Back-Face Dai.
(K)
Center-Center Dai.
(O)
Align-ment of Ends
(U)
3 a 3 1/2 1,6 1 less 2 7 7 1
1/2 a 2 1/2 0,8 1 Not 2 7 7 1
32 a 48 4,8 +7 -5 5
4 1,6 +2 -1 than 2 7 7 1
8 1,6 2 of nominal 2 7 7 1
5 a 6 1,6 +3 -1 87,50% 2 7 7 1
10 3,2 +4 -3 tickness 2 7 7 2
20 a 24 4,8 +6 -5 3 10 2 7
12 a 18 3,2 +4 -3 3 10 2 7
26 a 30 4,8 +7 -5 3
Dimensions of ASTM B366 WPNCMC elbow
NPS (Normal Pipe Size) OD(Outside Diameter) 45 Deg Elbow 90 Deg Elbow Fittings 180 Deg Return Elbow
(inch) Long Radius Elbow Short Radius Long Radius Elbow Long Radius Elbow
inch mm Radius
(Inch)
Center to Face
(Inch)
Center to Face
(Inch)
Center to Face
(Inch)
Back to face
(Inch)
Center to Center
(Inch)
3/4 1.050 26.7 7/16 1 1/8 1 11/16 2 1/4
1/2 0.840 21.3 5/8 1 1/2 1 7/8 2
1 1/4 1.660 42.2 1 1 1/4 1 7/8 2 3/4 3 3/4
1 1.315 33.4 7/8 1 1 1/2 2 3/16 3
1 1/2 1.900 48.3 3 1 1/8 1 1/2 2 1/4 3 1/4 4 1/2
2 1/2 2.875 73.0 5 1 3/4 2 1/2 3 3/4 5 3/16 7 1/2
2 2.375 60.3 4 1 3/8 2 3 4 3/16 6
3 1/2 4.000 101.6 7 2 1/4 3 1/2 5 1/4 7 1/4 10 1/2
3 3.500 88.9 6 2 3 4 1/2 6 1/4 9
5 5.563 141.3 10 3 1/8 5 7 1/2 10 5/16 15
4 4.500 114.3 8 2 1/2 4 6 8 1/4 12
6 6.625 168.3 12 3 3/4 6 9 12 5/16 18
10 10.750 273.1 15 6 1/4 10 15 20 3/8 30
8 8.625 219.1 12 5 8 12 16 5/16 24
12 12.750 323.9 18 7 1/2 12 18 24 3/8 36
WP grades classes of nickel alloy 625 tee
Construction Inconel 625 fittings Classes Non-destructive Exam
Welded WX Radiography
Welded W Radiography or Ultrasonic
Seamless S None
Welded WU Ultrasonic
Weight chart of alloy 625 fittings
NPS For Elbow Fittings KG LBS
2-1¼ 0.54 1.2
2-1½ 0.59 1.3
2-3/4
2-1 0.5 1.1
2½-1½ 1 2.2
2½-2 1.11 2.45
2½-1
3-2½ 1.88 4.15
2½-1¼ 0.95 2.1
3-1½ 1.45 3.2
3-1¼
3-2 1.59 3.5
3½-3 2.72 6
3½-2 2.04 4.5
3½-1½
3½-2½ 2.45 5.4
3½-1¼
4-3 3.4 7.5
4-3½ 3.72 8.2
4-2 2.7 5.95
4-1½
4-2½ 4.76 10.5
5-4 5.94 13.1
5-3 5.17 11.4
5-3½ 5.53 12.2
5-2½ 4.76 10.5
6-5 9.39 20.7
5-2
6-4 8.35 18.4
6-3 7.44 16.4
6-3½ 7.85 17.3
6-2½
8-5 16.1 35.5
8-6 17.78 39.2
8-4 14.7 32.4
10-8 32.3 71.2
8-3½
10-6 27.76 61.2
10-4
10-5 25.72 56.7
12-8 43.77 96.5
12-10 50.58 111.5
12-6 38.42 84.7
Manufacturing standards of WNR 2.4856 stub end
  • MSS SP-43
  • ASME B16.9 Fittings
  • ASME SA182/ASTM A182
  • ASME B16.11
  • MSS SP-95 BS3799
Pressure rating of ASTM B366 UNS N06625 pipe cap
Inconel 625 fittings pressure-temperature ratings  (psig)
Ratings of Temperature Fittings Pressure Class
150 300
1 1/4 – 2 inch. 1/4 – 1 inch. 2 1/2 – 3 inch.
(oC) (oF)
93 200 265 1350 1785 910
-29 to 66 -20 to 150 300 1500 2000 1000
149 300 185 1050 1360 735
121 250 225 1200 1575 825
204 400 750 935 560
177 350 150 900 1150 650
260 500 450 510 385
232 450 600 725 475
288 550 300 300 300
Size chart of Inconel 625 buttweld fittings
Welded Fittings Seamless Fittings
Elbows Up to 42″ Up to 24″
End Caps Up to 24″
Tees Upto 36″ Upto 24″
Return Bends Up to 8″
Reducers Up to 48″ Up to 24″
Swage Nipple Up to 4″
Cross Upto 36″ Upto 8″
 Request quotes for excellent Inconel 625 buttweld fittings including short/ long radius elbow and reducing / equal/ lateral tee with MTC and ultrasonic testing certificates
Chemical composition of ASTM B366 WPNCMC elbow
Grade Si Cu C Mn S Fe Cr Ni
Inconel 625 fittings 0.50 maximum 0.10 maximum 0.50 maximum 0.015 maximum 5.0 maximum 20.0 – 23.0 58.0 min
Mechanical properties of Inconel 625 fittings
Element Tensile Strength Density Elongation Melting Point Yield Strength (0.2%Offset)
Inconel 625 fittings Psi – 1,35,000 , MPa – 930 8.4 g/cm3 42.5 % 1350 °C (2460 °F) Psi – 75,000 , MPa – 517
Equivalent of nickel alloy 625 tee
STANDARD JIS WERKSTOFF NR. UNS AFNOR BS GOST EN
Inconel 625 fittings NCF 625 2.4856 N06625 NC22DNB4M NA 21 ХН75МБТЮ NiCr22Mo9Nb
How does the pressure class affect the maximum allowable working pressure of an Inconel 625 fittings?

High pressures are not an issue for these sturdy fittings, boasting a high tensile strength of 930 MPa and yield strength of 517 MPa. You can obtain Inconel 625 fittings that withstand pressures of more than 10,000 psi.

The pressure class refers to the maximum pressure the fittings can tolerate at a specific temperature. So, the class gets assigned based on pressure, temperature, and material. For example, Inconel 625 tube fittings show a tensile strength of 13,300 psi at 2,000°F.

What are the different coatings that can be applied to Nickel alloy 625 tee?

These tees function in high-temperature and corrosive environments. A Nickel alloy 625 tee can resist hydrogen sulphide, ammonia, and sour gas in condensers, exhausts, and aircraft ducting systems. Accordingly, manufacturers use protective coatings.

The options for Inconel 625 buttweld fittingsarezinc (galvanisation), phosphate, PTFE, Teflon, and Xylan. These tees also deliver excellent strength when annealed.

What factors affect the price of ASTM B366 UNS N06625 concentric reducer?

Inconel is costly, with the price of Alloy 625 between Rs 3000 to 3300 a kilogram. The prices are steep mainly because of the complexity of the production and the inclusion of elements like nickel and chromium (both are expensive).

The price of an ASTM B366 UNS N06625 concentric reducer depends on the size and thickness. Non-standard sizes are usually costlier. The market demand, current global trends, and consistent availability of good raw materials are of significance. We advise building long-term relationships with trusted suppliers who have an extensive portfolio of reducers. You can get affordable deals and save on logistical costs too.

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