Incoloy Alloy 825 Pipe Fittings
Incoloy 825 UNS N08825 seamless butt-weld pipe: 1/2" - 10"
Nickel 825 welded pipe: 1/2" - 48"
825 Incoloy pipe: 1/2" NB to 24" NB
As a leading supplier and manufacturer in China, GNEE Steel provides cost-effective nickel-based alloy products.
- Send E-mail: ss@gneesteel.com
- Tel: +8615824687445
Incoloy Alloy 825 Pipe Fittings description

GNEE Incoloy Alloy 825 Pipe Fittings
Incoloy 825 alloy pipe fittings are made from a nickel-iron-chromium alloy that offers excellent corrosion resistance, good mechanical strength, and easy machining. They are highly resistant to a wide range of corrosive agents, including oxidizing and reducing acids, alkalis, and seawater. These fittings are suitable for demanding applications such as chemical processing, marine exhaust treatment, oil and gas, and nuclear fuel reprocessing. They are available in a variety of forms, such as seamless or forged, and in various sizes and specifications to meet specific industry standards.
Common Applications
Chemical processing equipment
Sulfuric acid piping and pickling equipment
Nuclear fuel reprocessing
Ship exhaust systems
Oil and gas well piping
Tank trucks
Propeller shafts
Phosphoric acid evaporators
Availability and Standards
Specifications: Fittings are manufactured to standards such as ASTM B366.
Sizes: Fittings are available in a wide range of sizes, typically from 1/2 inch to 24 inches, and in various sizes (e.g., 10 to xxS).
Types: Fitting types include seamless, forged, and butt-weld.
Forms: In addition to fittings, 825 alloy is also available in other forms such as tube, plate, sheet, and bar.
incoloy Alloy 800 Pipe Fittings Specification
| Dimensions | ASME B16.28, MSS-SP-43, ASME/ANSI B16.9, BS4504, BS10, BS4504, BS1560, |
|---|---|
| Thickness | SCH10, SCH 80, SCH 100, SCH20, SCH30, STD SCH40, SCH 160, XXS, SCH60, XS, SCH 120, SCH 140, available with NACE MR 01-75 |
| Type | DN15-DN1200 |
| Connection | Welding |
| Bending Radius | R=2D, 3D, 5D, 6D, 8D, 1D, 10D or Custom |
| Manufacturing process | Press, Forge, Push, Cast, etc. |
| Specialized manufacturer of | Tees, Crosses, Reducers, 90º Elbows, Stub End, Pipe Bend, 45º Elbows, Pipe Cap |
incoloy Alloy 800 Pipe Fittings Specification
Inconel 825 Fittings Mechanical Properties
| Property | Typical Value |
|---|---|
| Tensile Strength (min) | 550 MPa (80 ksi) |
| Yield Strength (0.2%) | 220 MPa (32 ksi) |
| Elongation (min) | 30% |
| Hardness (Brinell) | ≤ 200 HB |
Inconel 825 Pipe Fittings Chemical Composition
|
Element |
Minimum (%) |
Maximum (%) |
|---|---|---|
|
Nickel (Ni) |
38.0 |
46.0 |
|
Chromium (Cr) |
19.5 |
23.5 |
|
Iron (Fe) |
Balance |
- |
|
Molybdenum (Mo) |
2.5 |
3.5 |
|
Copper (Cu) |
1.5 |
3.0 |
|
Titanium (Ti) |
0.6 |
1.2 |
|
Carbon (C) |
- |
0.05 |
|
Manganese (Mn) |
- |
1.0 |
|
Silicon (Si) |
- |
0.5 |
Various types of incoloy Alloy 825 Pipe Fittings
Comprehensive Line of Inconel 825 Alloy Pipe Fittings
Gnee Steel offers a comprehensive line of Inconel 825 alloy pipe fittings designed to the industry's highest standards for performance, corrosion resistance, and dimensional accuracy. We offer both wrought and butt-weld types, manufactured to ASTM B366 and meeting ASME B16.9 and B16.11 dimensional standards. Butt-weld Fittings (ASME B16.9)
Designed for permanent welded connections in high-pressure, corrosive piping systems:
90° and 45° elbows (long and short radius)
Equal and reducing tees
Concentric and eccentric reducers
End caps
Stub ends
Forged Fittings (ASME B16.11)
Ideal for small-diameter, high-pressure applications requiring strength and a compact design:
Socket-weld elbows, tees, and unions
Threaded elbows, tees, plugs, and bushings
Hex nipples and couplings
Custom Fittings
For special designs or retrofits, we offer custom Incoloy 825 fittings, including:
Horizontal tees
Compression nipples
Crosses
Custom elbows and end transition pieces
Sizes and Pressure Ranges
Sizes: ½ inch to 24 inch (larger sizes available upon request)
Pressure classes: SCH 10s to SCH XXS, forged fittings: 3000 to 9000
End connections: beveled, threaded, socket weld, or custom based on project requirements
All fittings come with an EN 10204 3.1 factory test certificate, full traceability, and optional third-party inspection.
Dimensions of Alloy 825 Tee, Crosses, Caps
| Nominal Pipe Size |
Outside Diameter |
Caps | Straight Tees | Straight Crosses | Stub Ends | |||
|---|---|---|---|---|---|---|---|---|
|
(inches) |
(mm) |
(inches) |
Length |
Center to End |
Center to End |
Lap Diameter |
Long Length |
Short Length |
|
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 |
About Gnee Steel

Gnee Steel specializes in the production and sale of various nickel-based alloys, including Nickel 201, Nickel 202, Hastelloy C-276, Hastelloy C-22, Hastelloy B, Hastelloy C-4, Inconel Alloy 600, Inconel 625, Inconel 718, Inconel X-750, Incoloy Alloy 800, Incoloy 800H/HT, Incoloy 825, Monel Alloy 400, Monel K500, and high-temperature alloys. Gnee Steel's products are widely used in aerospace, chemical, electric power, automotive, and nuclear energy applications. We also offer customized alloy solutions tailored to customer needs. For alloy pricing inquiries or customized alloy solutions, please contact us for a quote at ss@gneesteel.com.
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