Alloy 28 / Sanicro 28 vs Inconel 600: 15% composition overlap. Significantly different materials serving different application areas.
Alloy 28 / Sanicro 28 vs Inconel 600
Side-by-side chemical composition and mechanical property comparison.
Overview
Alloy 28 / Sanicro 28
1.4563
Super-austenitic stainless steel (Fe-31Ni-27Cr-3.5Mo-1Cu) with ultra-low carbon. Exceptional resistance to sulfuric acid, phosphoric acid, and chloride stress corrosion cracking. Solution-annealed: Rm 500–750 MPa, Rp0.2 ≥220 MPa, A ≥35%. Density 8.0 g/cm³, PREN ~39–47. UNS N08028, ASTM B709/B668. Applications: phosphoric acid evaporators, sulfuric acid piping, oil/gas sour service (NACE MR0175), seawater heat exchangers, nuclear fuel reprocessing. Alleima trade name Sanicro 28.
Inconel 600
2.4816
Nickel-chromium-iron alloy — the standard engineering material for combined heat and corrosion resistance. Not precipitation hardenable. Virtually immune to chloride-ion stress corrosion cracking. Service from cryogenic to 1095°C. Used for furnace components, nuclear steam generators, chemical plant equipment, and food processing.
| Alloy 28 / Sanicro 28 | Inconel 600 | |
|---|---|---|
| Material Number | 1.4563 | 2.4816 |
| Category | Nickel Alloys | Nickel Alloys |
| Standard | EN 10088 / ASTM B709 | ASTM B168 |
Chemical composition (wt%)
| Element | Alloy 28 / Sanicro 28 | Inconel 600 | Overlap |
|---|---|---|---|
| C | ≤ 0.02% | 0–0.15% | OK |
| Si | ≤ 1% | 0–0.5% | OK |
| Mn | ≤ 2.5% | 0–1% | OK |
| S | — | 0–0.015% | — |
Mechanical properties
| Property | Alloy 28 / Sanicro 28 | Inconel 600 | Unit |
|---|---|---|---|
| tensile_strength | 500–750 | ≥ 550 | MPa |
| yield_strength | ≥ 220 | ≥ 240 | MPa |
| elongation | ≥ 35 | ≥ 30 | % |
Compatibility Assessment
Alloy 28 / Sanicro 28 and Inconel 600 have significantly different compositions (15% overlap). These materials are not interchangeable and serve different application areas.
Automated assessment based on composition analysis
Frequently Asked Questions
Is Alloy 28 / Sanicro 28 the same as Inconel 600?
Alloy 28 / Sanicro 28 and Inconel 600 have a 15% composition overlap. They are generally not directly interchangeable.
Can I replace Alloy 28 / Sanicro 28 with Inconel 600?
Generally not recommended. The compositions differ significantly (15% overlap). These materials have different alloying concepts and are intended for different applications.
What is the difference between Alloy 28 / Sanicro 28 and Inconel 600?
The main differences are in the following elements: Cr, Ni, Cu, Fe. Alloy 28 / Sanicro 28 is a Nickel Alloys grade, while Inconel 600 is a Nickel Alloys grade.
Related Comparisons
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