Incoloy Pipes and Tubes Supplier in India
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Table of Contents
- Incoloy Pipes and Tubes Specifications
- Incoloy Pipes Equivalent Grades
- Incoloy Pipes and Tubes Chemical Composition
- Incoloy Pipes Mechanical Properties
- Incoloy Pipes and Tubes Available Grades
- Incoloy 800 / 800H / 800HT Seamless Pipes
- Incoloy 825 Seamless Pipes & Welded Tubes
- Industrial Applications of Incoloy Pipes and Tubes
- Frequently Asked Questions
The Incoloy Pipes & Tubes comprise an alloy series of products that aim to provide enhanced resistance to high temperature, oxidation, carburization, and other harsh environments. These products can be made by either seamless, welded, ERW, or EFW methods in conformity with the ASTM, ASME and DIN specifications so that their performance and dimensions become reliable. The most popular grades that are available are Incoloy 800, 800H, 800HT and 825, each with specific characteristics suitable for high temperature and corrosion resistance applications. Kalpataru Piping is a leading supplier of Incoloy Pipes & Tubing in India, and offers quality Incoloy products in stock and customised to various applications as per industry requirements across the globe.
Incoloy Pipes and Tubes Specifications
| Parameter | Details |
| ASTM Standards (Seamless) | ASTM B423 (825), ASTM B407 (800, 800H, 800HT) |
| ASTM Standards (Welded) | ASTM B704, ASTM B705 (825), ASTM B514 (800 series) |
| ASME Standards | ASME SB423, ASME SB407, ASME SB514, ASME SB704 |
| Pipe Size (NPS) | 1/8 inch to 24 inch |
| Outer Diameter | 6.35 mm to 609.60 mm |
| Wall Thickness | 0.5 mm to 25 mm |
| Pipe Schedule | SCH 5 to SCH 160, XXS |
| Length | Single random, double random, fixed and cut to length |
| End Finish | Plain end, beveled end, threaded end |
| Surface Condition | Annealed and pickled, bright annealed, polished (2B, No.4, Mirror) |
Incoloy Pipes Equivalent Grades
Our Incoloy pipes are manufactured to comply with major international standards including ASTM, ASME, DIN, and JIS. Below is the cross-reference table for common grades.
|
Common Name |
UNS (USA) |
Werkstoff Nr. (Germany) |
DIN Designation |
JIS (Japan) |
BS (UK) |
|
Incoloy 800 |
N08800 |
1.4876 |
X10NiCrAlTi32-20 |
NCF 800 |
NA 15 |
|
Incoloy 800H |
N08810 |
1.4958 |
X5NiCrAlTi31-20 |
NCF 800H |
NA 15H |
|
Incoloy 800HT |
N08811 |
1.4959 |
X8NiCrAlTi32-21 |
NCF 800HT |
– |
|
Incoloy 825 |
N08825 |
2.4858 |
NiCr21Mo |
NCF 825 |
NA 16 |
Incoloy Pipes and Tubes Chemical Composition
The chemical makeup determines the performance of these superalloys. Incoloy 825, for instance, has higher molybdenum and copper content for acid resistance.
|
Grade |
Ni |
Cr |
Fe |
C |
Mn |
S |
Si |
Mo |
Cu |
Al |
Ti |
|
Incoloy 800 |
30.0-35.0 |
19.0-23.0 |
39.5 min |
0.10 max |
1.5 max |
0.015 max |
1.0 max |
– |
0.75 max |
0.15-0.60 |
0.15-0.60 |
|
Incoloy 800H |
30.0-35.0 |
19.0-23.0 |
39.5 min |
0.05-0.10 |
1.5 max |
0.015 max |
1.0 max |
– |
0.75 max |
0.15-0.60 |
0.15-0.60 |
|
Incoloy 825 |
38.0-46.0 |
19.5-23.5 |
22.0 min |
0.05 max |
1.0 max |
0.03 max |
0.5 max |
2.5-3.5 |
1.5-3.0 |
0.2 max |
0.6-1.2 |
Incoloy Pipes Mechanical Properties
We ensure all our pipes meet the minimum mechanical requirements specified by ASTM B407 and B423.
|
Grade |
Tensile Strength (min) |
Yield Strength (0.2% Offset) |
Elongation in 2″ |
Hardness (Brinell) |
|
|
Incoloy 800 (Annealed) |
75 ksi (520 MPa) |
30 ksi (205 MPa) |
30% |
138 avg |
|
|
Incoloy 800H (Solution Annealed) |
65 ksi (450 MPa) |
25 ksi (170 MPa) |
30% |
126 avg |
|
|
Incoloy 825 (Annealed) |
85 ksi (586 MPa) |
35 ksi (241 MPa) |
30% |
135-165 |
Incoloy Pipes and Tubes Available Grades
| Grade | UNS No. | Grade-Specific Page |
| Incoloy 825 | UNS N08825 | View Incoloy 825 Pipe Specifications |
| Incoloy 800 | UNS N08800 | Explore Incoloy 800 Pipe Sizes |
| Incoloy 800H | UNS N08810 | Explore Incoloy 800H Pipe Sizes |
| Incoloy 800HT | UNS N08811 | Explore Incoloy 800HT Pipe Sizes |
Incoloy 800 / 800H / 800HT Seamless Pipes
ASTM B407 / UNS N08800, N08810, N08811. A high-strength nickel-iron-chromium alloy with excellent resistance to oxidation, carburization and high-temperature corrosion up to 1100 degrees C. Widely used in petrochemical furnace tubes, heat treatment equipment and nuclear applications.
Incoloy 825 Seamless Pipes & Welded Tubes
ASTM B423 / ASTM B705 / UNS N08825. A nickel-iron-chromium alloy with molybdenum and copper additions, giving superior resistance to sulfuric and phosphoric acids, stress-corrosion cracking and pitting. Fully compliant with NACE MR0175 for sour oil and gas service.
Industrial Applications of Incoloy Pipes and Tubes
Incoloy pipes and tubes are specified across industries where standard stainless steel fails due to heat, pressure, or chemical aggression.
- Oil and gas processing
- Chemical processing plants
- Heat exchangers
- Pollution control
- Marine and offshore
- Flue gas desulfurization
- Acid production
- Pharmaceutical equipment
- Nuclear waste processing
- Seawater desalination
- Pickling equipment
- Fertilizer production
Frequently Asked Questions
What is Incoloy pipe?
Incoloy pipes are high-nickel alloy pipes used in high-temperature and corrosive service. Key grades are 800, 800H, 800HT, and 825, each suited to specific temperature and corrosion conditions.
What is the difference between Incoloy 825 and Incoloy 800 pipe?
Incoloy 825 pipe excels in corrosive acid environments. Incoloy 800 pipe is preferred for high-temperature oxidizing service up to 816 degrees C. Both are ASTM-compliant.
What ASTM standard covers Incoloy 825 seamless pipe?
Incoloy 825 seamless pipes and tubes are covered under ASTM B423 and ASME SB423. Incoloy 800 series pipes are covered under ASTM B407. View Incoloy 825 Pipes Specifications.
Do you supply Incoloy 800H and 800HT pipes?
Yes. We supply Incoloy 800H (N08810) and 800HT (N08811) seamless and welded pipes to ASTM B407 in a full range of sizes and schedules. Explore Incoloy 800H Pipe Sizes.
What sizes are available for Incoloy pipes and tubes?
Incoloy pipes are available from 6.35 mm to 609.60 mm OD in SCH 5 to XXS. Custom sizes are available on request for all four grades.
Related Products
- Incoloy 800/800H/800HT Pipes & Tubes
- Incoloy 800/800H/800HT Flanges
- Incoloy 800/800H/800HT Round Bars & Wires
- Incoloy 800/800H/800HT Buttweld Fittings
- Incoloy 825 Pipes & Tubes
- Incoloy 825 Flanges
- Incoloy 825 Round Bars & Wires
- Incoloy 825 Buttweld Fittings
- Incoloy 800/800H/800HT Instrumentation Valves
- Incoloy 825 Filler Wire
- Incoloy 825 Long Radius Bends
