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Inconel 625 Pipe Fittings

Inconel Pipe Fittings - Product Overview

Hars Tubes Fittings is a trusted manufacturer, supplier, and exporter of high-performance Inconel pipe fittings available in premium nickel-based alloy grades. We offer seamless and welded Inconel fittings engineered to withstand extreme temperatures, high pressure, and aggressive corrosive environments. Our products provide outstanding dimensional precision, superior mechanical strength, and long-term reliability—making them suitable for Marine, Offshore, Petrochemical, Aerospace, Chemical Processing, Oil & Gas, and Heat Treatment industrial applications. All fittings are manufactured in compliance with ANSI, ASME, DIN, and EN international standards to ensure excellent quality, safe installation, and superior operational performance.

Inconel Pipe Fittings

Inconel Pipe Fittings – Grades & Specifications

Specifications : ASTM B366 – Inconel 600 / 601 / 625 / 718 / 800 / 825

Types : Elbows (45° / 90°), Tee, Concentric Reducer, Eccentric Reducer, End Cap, Stub End

Size Range : 1/2" (15 NB) to 48" (1200 NB)

Schedule : Sch 10, Sch 20, Sch 40, Sch 80, Sch 160, XXS

Standards :

ASME B16.9, ASME B16.11, MSS-SP-75

Ends : Beveled Ends (BE), Plain Ends (PE), Threaded Ends

We Specialize In : High-Temperature Nickel Alloy Butt-Weld Fittings, Corrosion-Resistant Inconel Socket Weld & Screwed Fittings, Large Diameter Inconel Elbows & Reducers

Slip On Flanges

ASTM B366 UNS N06625 Elbow

Weld Neck Flanges

Inconel Alloy 625 Tee

Blind Flanges

Alloy 625 Reducer

Chemical Composition of Alloy 625 Welded Pipe Fittings

C

Carbon

0.10%

Si

Silicon

0.50%

S

Sulfur

0.015%

P

Phosphorus

5.0%

WNR 2.4856 Pipe Cap Schedule Chart

NPS (Inches) OD Nominal Dimensions
– – Sch 80S Sch 40S Sch 5S Sch 10S
– – Thickness ID Thickness ID Thickness ID Thickness ID
2 60.45 5.54 49.73 3.91 52.63 1.65 57.15 2.77 54.91
11/4 42.16 4.85 32.46 3.56 35.04 1.65 38.86 2.77 36.62
3 88.90 7.62 73.66 5.49 77.92 2.11 84.68 3.05 114.30
14 355.60 12.70 330.20 9.53 336.54 3.96 347.68 4.57 533.40
31/2 101.60 8.08 85.14 5.74 90.12 2.11 97.38 3.05 133.35
10 273.05 12.70 247.65 9.27 254.51 3.40 266.65 3.76 381.00
12 323.85 12.70 298.45 9.53 304.79 3.96 315.93 4.19 457.20
5 141.22 9.53 122.16 6.55 128.12 2.77 135.68 3.05 190.50
24 609.60 12.70 584.20 9.53 590.54 5.54 598.52 6.35 914.40
6 168.15 10.97 146.21 7.11 153.93 2.77 162.61 3.40 228.60
18 457.20 12.70 431.80 9.53 438.12 4.19 448.82 4.78 685.80
11/2 48.26 5.08 38.10 3.68 40.90 1.65 44.96 2.77 42.72
8 218.95 12.70 193.55 8.18 202.59 2.77 213.41 3.40 304.80
16 406.40 12.70 381.00 9.53 387.34 4.19 398.02 4.78 609.60
3/4 26.67 3.91 18.85 2.87 20.93 1.65 23.37 2.11 22.45
4 114.30 8.56 97.18 6.02 102.26 2.11 110.08 3.05 152.40
1/2 21.34 3.73 13.88 2.77 15.80 1.65 18.04 2.11 17.12
20 508.00 12.70 482.60 9.53 488.94 4.78 498.44 5.54 762.00
22 558.80 12.70 533.40 9.53 539.74 4.78 549.24 5.54 838.20
1 33.53 4.55 24.43 3.38 26.77 1.65 30.23 2.77 27.99

Inconel 625 Pipe Fittings Specification

Standards

  • ASTM B366
  • ASME SB 366

Sizes

  • Welded Fittings: 1/2″ – 48″
  • Seamless Fittings: 1/2″ – 10″
  • Schedule: Sch 10 – Sch XXS

Product Forms

  • Reducer
  • Elbow
  • Tee
  • Cap

Manufacturing Process

  • Welded
  • Seamless
  • Fabricated

Material Origin

  • Japanese
  • Canada
  • Korean
  • Mexico

Finish

  • Polished
  • Pickled

Applications

  • Chemical Processing
  • Marine Industry
  • Aerospace Industry
  • Power Generation

Testing

  • HIC Tested
  • PMI Test
  • NDT Test
  • Ultrasonic Test

Features

  • Manufacturing process
  • High Strength
  • Corrosion resistance
  • Testing standards

Bending Radius

  • 5D
  • 2D
  • 3D
  • 1D

Benefits

  • Durability
  • Low Maintenance
  • Weldability

Packaging

  • Bubble Wraps
  • Bundled
  • Wooden Box

Mechanical properties of DIN 2.4856 Buttweld Fitting

Element Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
Inconel 625 8.4 g/cm3 1350 °C (2460 °F) Psi – 1,35,000 , MPa – 930 Psi – 75,000 , MPa – 517 42.5 %

Alloy 625 Pipe Fittings Weight Chart

NPS Weight In LBS Weight In Kg
10 43 19.5
12 62 28.12
1/2 0.09 0.04
1.1/2 0.4 0.18
3 2.63 1.19
4 4.5 2.04
5 7.5 3.4
6 12 5.44
8 23 10.43
14 80 36.29
20 160 72.57
2 0.81 0.37
2.1/2 1.75 0.79
1 0.25 0.11
16 100 45.36
18 126 57.15
1.1/4 0.38 0.17
3/4 0.09 0.04
36 531 240.86
22 197 89.36
3.1/2 3.5 1.59
30 367 166.47
24 238 107.95
26 275 124.74

Most Common Types of Alloy Steel Pipe Fittings

Slip On Flanges

Inconel 625 Equal Tee

Weld Neck Flanges

Inconel UNS N06625 Reducing Cross

Blind Flanges

Chrome Alloy Steel Cap

Screwed Threaded Flanges

Inconel 625 Pipe Straight Tees

Socket Weld Flanges

Inconel 625 Stub End

Lap Joint Flanges

High Alloy Steel Lap Joint Stub Ends

Long Weld Neck Flanges

Nickel Alloy UNS N06625 Lap Joint Stub End

Ring Type Joint Flanges

WNR 2.4856 SR 180° Short Radius Elbow

Spectacle Blind Flanges

WERKSTOFF Nr 2.4856 Cap

Inconel 625 Buttweld Fittings Dimensions

Nominal
Pipe
Size		 Outside
Diameter		 Caps Straight Tees Straight Crosses Stub Ends
(inches) (mm) (inches) Length
(inches)		 Center to End
(inches)		 Center to End
(inches)		 Lap Diameter
(inches)		 Long Length
(inches)		 Short Length
(inches)
1/2 21.3 0.840 1 1 – 1 3/8 3 2
3/4 26.7 1.050 1 1 1/8 – 1 11/16 3 2
1 33.4 1.315 1 1/2 1 1/2 1 1/2 2 4 2
1 1/4 42.2 1.660 1 1/2 1 7/8 1 7/8 2 1/2 4 2
1 1/2 48.3 1.900 1 1/2 2 1/4 2 1/4 2 7/8 4 2
2 60.3 2.375 1 1/2 2 1/2 2 1/2 3 5/8 6 2 1/2
2 1/2 73.0 2.875 1 1/2 3 3 4 1/8 6 2 1/2
3 88.9 3.500 2 3 3/8 3 3/8 5 6 2 1/2
3 1/2 101.6 4.000 2 1/2 3 3/4 3 3/4 5 1/2 6 3
4 114.3 4.500 2 1/2 4 1/8 4 1/8 6 3/16 6 3
5 141.3 5.563 3 4 7/8 4 7/8 7 5/16 8 3
6 168.3 6.625 3 1/2 5 5/8 5 5/8 8 1/2 8 3 1/2
8 219.1 8.625 4 7 7 10 5/8 8 4
10 273.1 10.750 5 8 1/2 8 1/2 12 3/4 10 5
12 323.9 12.750 6 10 10 15 10 6

ASTM B366 UNS N06625 Cross Thickness Chart

Product range and theoretical weights (kg)
DN SCH 10S SCH 80S SCH 40S
450 Elbow Equal tee 900 Elbow 900 Elbow 450 Elbow Equal tee 900 Elbow 450 Elbow Equal tee
8 0.01 0.03 0.02 0.04 0.03 0.07 0.03 0.02 0.06
10 0.02 0.05 0.03 0.06 0.04 0.09 0.03 0.02 0.03
40 0.17 0.68 0.30 0.51 0.29 1.02 0.40 0.23 0.86
150 2.72 8.07 5.45 16.32 8.16 13.61 10.89 5.44 10.99
200 5.33 15.65 10.20 33.11 16.56 28.12 21.54 10.77 20.91
250 9.75 26.46 18.15 51.71 25.86 49.90 38.56 19.27 35.38
50 0.25 0.85 0.50 0.91 0.59 1.59 0.70 0.4 1.28
65 0.48 1.41 0.85 1.81 0.99 3.13 1.40 0.77 2.19
80 0.63 1.77 1.25 2.97 1.50 4.45 2.20 1.08 3.31
90 0.75 2.67 1.70 4.00 2.00 5.44 2.83 1.42 4.08
15 0.03 0.09 0.06 0.10 0.05 0.14 0.08 0.04 0.10
20 0.03 0.13 0.07 0.11 0.05 0.20 0.08 0.04 0.17
25 0.08 0.28 0.14 0.22 0.14 0.38 0.15 0.11 0.29
32 0.11 0.49 0.23 0.40 0.23 0.68 0.26 0.17 0.59
100 1.08 3.46 2.10 6.18 2.81 7.71 4.47 2.09 5.27
300 13.62 39.46 25.80 79.38 39.69 83.91 59.42 29.71 62.14

625 Inconel Pipe Fittings Dimensions Chart

Nominal Pipe Size Outside Diameter 90° Elbows 45° Elbows 180° Returns
(inches) Long Radius Short Radius Long Radius Long Radius
(mm) (inches) Center to Face
(inches)		 Center to Face
(inches)		 Center to Face
(inches)		 Radius
(inches)		 Center to Center
(inches)		 Back to face
(inches)
1/2 21.3 0.840 1 1/2 – 5/8 2 1 7/8
3/4 26.7 1.050 1 1/8 – 7/16 2 1/4 1 11/16
1 33.4 1.315 1 1/2 1 7/8 3 2 3/16
1 1/4 42.2 1.660 1 7/8 1 1/4 1 3 3/4 2 3/4
1 1/2 48.3 1.900 2 1/4 1 1/2 1 1/8 3 4 1/2 3 1/4
2 60.3 2.375 3 2 1 3/8 4 6 4 3/16
2 1/2 73.0 2.875 3 3/4 2 1/2 1 3/4 5 7 1/2 5 3/16
3 88.9 3.500 4 1/2 3 2 6 9 6 1/4
3 1/2 101.6 4.000 5 1/4 3 1/2 2 1/4 7 10 1/2 7 1/4
4 114.3 4.500 6 4 2 1/2 8 12 8 1/4
5 141.3 5.563 7 1/2 5 3 1/8 10 15 10 5/16
6 168.3 6.625 9 6 3 3/4 12 18 12 5/16
8 219.1 8.625 12 8 5 12 24 16 5/16
10 273.1 10.750 15 10 6 1/4 15 30 20 3/8
12 323.9 12.750 18 12 7 1/2 18 36 24 3/8

Inconel Alloy 625 Reducer Dimensions

Nominal
Pipe Size		 Outside
Diameter		 Reducers
Reduced from
(inches)		 (mm) (inches) Reduced to
(inches)		 Concentric & Eccentric Length
(inches)
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

UNS N06625 Pipe Fittings Heat Treatment

Type Cooling Condition Time Temperature
Stress Relieve Air Annealed 0.5 – 1hr
  • 500 – 700°F
  • 260 – 370°C

Alloy 625 Fittings Pressure Rating

NPS Fittings Weight In KG OD Working Pressure Max. Ave. ID (Min.) WT
*3in 1.488 3.500 260 3.042 .216
3-1/2in 1.789 4.000 240 3.521 .226
*4in 2.118 4.500 220 3.998 .237
3/8in .115 .675 620 .473 .091
2-1/2in 1.136 2.875 300 2.445 .203
*10in 7.966 10.750 140 9.976 .365
1/2in .170 .840 590 .602 .109
3/4in .226 1.050 480 .804 .113
*16in 16.286 16.000 130 14.940 .500
1in .333 1.315 450 1.029 .133
*1-1/4in .450 1.660 370 1.360 .140
*12in 10.534 12.750 130 11.889 .406
*8in 5.619 8.625 160 7.942 .322
*1-1/2in .537 1.900 330 1.590 .145
*2in .720 2.375 280 2.047 .154
*14in 12.462 14.000 130 13.073 .437
5in 2.874 5.563 190 5.016 .258
*6in 3.733 6.625 180 6.031 .280
1/4in .086 .540 780 .344 .088

Other Related Inconel Pipe Fittings Products

  • Inconel Elbow Manufacturers in India
  • Inconel Tee Manufacturers in India
  • Inconel Reducer Manufacturers in India
  • Inconel Cap Manufacturers in India
  • Inconel Stub End Manufacturers in India
  • Inconel Cross Manufacturers in India
  • Inconel Bend Manufacturers in India

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