Inconel & Incoloy — Sheets, Plates, Pipes, Fittings & Flanges
Nickel-chromium and nickel-iron-chromium alloys for acid, heat and sour service. Choose a grade below for its standards, chemistry, properties and every product form we supply.
- 825
- 600
- 625
- 718
- 800
Reviewed by the Kanak Steel & Engineering Co. technical team · Updated October 2026
Inconel & Incoloy Grades We Supply
For sulphuric and phosphoric acid, chloride SCC and sour gas, start with Inconel 825 (Incoloy 825).
Inconel & Incoloy Grades Compared: Standards & PREN
| Grade | Sheet & plate | Pipe | Fittings | Flanges | PREN |
|---|---|---|---|---|---|
| Inconel 825 | ASTM B424 | ASTM B423 | ASTM B366 WPNICMC | ASTM B564 | ≈ 31 |
| Inconel 600 | ASTM B168 | ASTM B167 | ASTM B366 WPNCI | ASTM B564 | — |
| Inconel 625 | ASTM B443 | ASTM B444 | ASTM B366 WPNCMC | ASTM B564 | ≈ 51 |
| Inconel 718 | ASTM B670 · AMS 5596 | a specification not yet established | a specification not yet established | project / purchase specification dependent | — |
| Incoloy 800 / 800H / 800HT | ASTM B409 | ASTM B407 | ASTM B366 WPNIC | ASTM B564 | — |
Products in inconel & incoloy
Inconel & Incoloy — questions buyers ask
Which inconel & incoloy grades do you supply?
Inconel 825, Inconel 600, Inconel 625, Inconel 718, Incoloy 800 / 800H / 800HT, in the forms listed on each grade page.
How do I choose between these grades?
Start with the medium, temperature and pressure. The comparison table on this page ranks the grades by pitting resistance and typical use; send us your process conditions for a recommendation.
Do you export?
Yes — markets we have supplied to include Oman, UAE, Saudi Arabia, Brazil, Argentina, Spain and Chile, FOB or CIF from Nhava Sheva, Mumbai. India is the home market.