316Ti Stainless Steel Vs 304
May 13, 2025
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316Ti Stainless Steel vs 304: A Complete Comparison for Industrial Buyers
When selecting stainless steel for demanding applications, two popular grades-316Ti and 304-often come into consideration. While both are austenitic stainless steels, they offer distinct differences in corrosion resistance, heat performance, and mechanical properties, making each suitable for different environments. In this article, we explore the key differences between 316Ti stainless steel and 304 stainless steel to help you make an informed procurement decision.
316Ti Stainless Steel vs 304: Chemical Composition
| Element | 316Ti Stainless Steel | 304 Stainless Steel |
|---|---|---|
| Chromium (Cr) | 16.5–18.5% | 18.0–20.0% |
| Nickel (Ni) | 10.5–13.5% | 8.0–10.5% |
| Molybdenum (Mo) | 2.0–2.5% | Not present |
| Titanium (Ti) | Stabilized with Ti (0.5%) | Not added |
| Carbon (C) | ≤ 0.08% | ≤ 0.08% |
316Ti Stainless Steel vs 304: Mechanical Properties
| Property | 316Ti Stainless Steel | 304 Stainless Steel |
|---|---|---|
| Yield Strength (MPa) | ≥ 205 | ≥ 205 |
| Tensile Strength (MPa) | 500–750 | 515–750 |
| Elongation (%) | ≥ 40 | ≥ 40 |
| Hardness (HBW) | ≤ 192 | ≤ 201 |
Difference between 316Ti and 304 stainless steel
316Ti contains molybdenum and is titanium-stabilized, providing enhanced resistance to pitting, crevice corrosion, and intergranular attack, especially in chloride-rich and acidic environments.
304 performs well in general atmospheric and mild chemical conditions but is more prone to corrosion in marine or high-chloride environments.
316Ti Stainless Steel vs 304: High Temperature Performance
316Ti stainless steel offers superior oxidation resistance at elevated temperatures up to 800°C, making it ideal for heat exchangers, pressure vessels, and thermal processing units.
304 stainless steel begins to scale around 750°C, making it less suitable for long-term high-temperature exposure.
316Ti Stainless Steel vs 304: Applications
| 316Ti Stainless Steel Uses | 304 Stainless Steel Uses |
|---|---|
| Chemical tanks and pipelines | Food-grade kitchen equipment |
| Marine and offshore structures | Indoor architectural components |
| Heat exchangers and furnaces | Automotive trim and appliances |
| Welded pressure vessels | General industrial fabrication |
Which Should You Choose?
If your application involves high temperatures, aggressive environments, or post-weld corrosion risk, 316Ti is the better choice due to its titanium stabilization and added molybdenum. However, for general-purpose applications, 304 stainless steel remains a cost-effective and versatile solution.
Need help choosing between 316Ti and 304 stainless steel? Contact our experts today for tailored recommendations.
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