Inconel alloys are high-performance nickel-chromium superalloys known for their exceptional resistance to extreme temperatures, oxidation, and corrosion. Grades such as Inconel 625 and Inconel 718 are particularly valued in aerospace and chemical processing for their strength and durability under harsh conditions. These alloys maintain their mechanical properties even at elevated temperatures, making them ideal for applications in gas turbines and heat exchangers. Their versatility and reliability make Inconel a preferred choice in demanding environments across various industries.
Specifications
| Sheets & Plates Specifications | ASTM B168 / ASME SB168, BS EN 10088-2, en 10028-7, IS 6911 |
|---|---|
| Sheets & Plates Dimension Standard | MSRR, AMS, BS, JIS, AISI, ASTM, GB, DIN, EN, etc |
| Inconel Sheets & Plates Size Range | Cold rolled ASME SB168 Grade Inconel Sheet 0.5-6.4 mm
Hot rolled ASME SB168 Grade Inconel Sheet 3.0–10.0 mm |
| Inconel Sheets & Plates Width | 1000mm, 1219mm, 1500mm, 1800mm, 2000mm, 2500mm, 3000mm, 3500mm, etc |
| Inconel Sheets & Plates Length | 2000mm, 2440mm, 3000mm, 5800mm, 6000mm, etc |
| Inconel Sheets & Plates Thickness | 0.3 mm to 120 mm |
| International Standard of Inconel Sheets & Plates | ASTM A480
ASTM A959 ASME IID EN ISO 9445 EN ISO 18286 EN 10051 EN 10088-1 ISO 15510 |
| Tolerances (width / thickness) of Inconel Sheets & Plates | EN 10258/ DIN 59381)
EN 10151 ASME SB168 Inconel Strips EN 10088 SA -240-Strips |
| Finish of Inconel Sheets & Plates | 2B, 2D, BA NO (8), Cold rolled sheet (CR), Hot rolled plate (HR), SATIN (Met with Plastic Coated), No.1 finish hot rolled, 1D, 2B, No.4, BA, 8K, satin, hairline, brush, mirror etc. |
| Hardness | Half Hard, Soft, Hard, Quarter Hard, Spring Hard |
| Form | Sheet, Plate, Strip, Flats, Clad Plate, Coils, Foils, Plain Sheet, Flat Shim, Flat Sheet, Shim Sheet, Rolling Sheet, Rolling Plate, Rolls, Blank (Circle), soft annealed, descaled, tread plate, sheared, annealed, Checker Plate |
| Value Added Service | Cladding, Heat Treatment, Annealed, Pickling, Polish, Rolling, Cutting, Bending, Forging, Minor Fabrication Etc. |
| Inconel Profiling | Plasma Plate Cutting
Laser Plate Cutting Oxy-propane Flame Cutting |
| Grade | Chemical Composition | Key Properties | Applications |
|---|---|---|---|
| Inconel 600 | Ni: 72%, Cr: 14%, Fe: 6%, C: 0.15% | Good oxidation resistance, high-temperature strength | Heat exchangers, furnace components |
| Inconel 625 | Ni: 58%, Cr: 20%, Mo: 9%, Fe: 5% | Excellent fatigue and thermal-fatigue strength | Aerospace, chemical processing |
| Inconel 718 | Ni: 50.5%, Cr: 19%, Fe: 18%, Mo: 3% | High strength at elevated temperatures | Turbine components, oil and gas industries |
| Inconel X-750 | Ni: 70%, Cr: 15%, Fe: 5%, Mo: 2.5% | Good oxidation and creep resistance | Gas turbines, industrial furnace components |
| Inconel 625 | Ni: 58%, Cr: 20%, Mo: 9% | Exceptional corrosion resistance | Marine, nuclear, and aerospace applications |
Chemical Compositions :
| Inconel | Element, proportion by mass (%) | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Ni | Cr | Fe | Mo | Nb & Ta | Co | Mn | Cu | Al | Ti | Si | C | S | P | B | |
| 600[11] | ≥72.0[a] | 14.0–17.0 | 6.0–10.0 | — | ≤1.0 | ≤0.5 | ≤0.5 | ≤0.15 | ≤0.015 | ||||||
| 617[18] | 44.2–61.0 | 20.0–24.0 | ≤3.0 | 8.0–10.0 | 10.0–15.0 | ≤0.5 | ≤0.5 | 0.8–1.5 | ≤0.6 | ≤0.5 | 0.05–0.15 | ≤0.015 | ≤0.015 | ≤0.006 | |
| 625[19] | ≥58.0 | 20.0–23.0 | ≤5.0 | 8.0–10.0 | 3.15–4.15 | ≤1.0 | ≤0.5 | ≤0.4 | ≤0.4 | ≤0.5 | ≤0.1 | ≤0.015 | ≤0.015 | ||
| 690[20] | ≥58 | 27–31 | 7–11 | ≤0.50 | ≤0.50 | ≤0.50 | ≤0.05 | ≤0.015 | |||||||
| Nuclear grade 690[20] | ≥58 | 28–31 | 7–11 | ≤0.10 | ≤0.50 | ≤0.50 | ≤0.50 | ≤0.04 | ≤0.015 | ||||||
| 718[2] | 50.0–55.0 | 17.0–21.0 | Balance | 2.8–3.3 | 4.75–5.5 | ≤1.0 | ≤0.35 | ≤0.3 | 0.2–0.8 | 0.65–1.15 | ≤0.35 | ≤0.08 | ≤0.015 | ≤0.015 | ≤0.006 |
| X-750[21] | ≥70.0 | 14.0–17.0 | 5.0–9.0 | 0.7–1.2 | ≤1.0 | ≤1.0 | ≤0.5 | 0.4–1.0 | 2.25–2.75 | ≤0.5 | |||||
