When selecting stainless steel for a project, the choice often comes down to two popular grades: 304 and 316. Although they look similar, their chemical composition and performance in different environments differ significantly.
304 Stainless Steel
Grade 304 is the most widely used stainless steel. It contains around 18% chromium and 8% nickel and offers excellent corrosion resistance for most indoor and dry outdoor applications. It is commonly found in kitchen equipment, sinks and interior architectural cladding.
316 Stainless Steel
Grade 316 typically contains 16% chromium, 10% nickel and, most importantly, 2% molybdenum. The addition of molybdenum gives 316 superior corrosion resistance, particularly against chlorides and industrial solvents.
| Property | 304 | 316 |
|---|---|---|
| EN number | 1.4301 | 1.4401 |
| Chromium (Cr) | 18–20 % | 16–18 % |
| Nickel (Ni) | 8–10.5 % | 10–14 % |
| Molybdenum (Mo) | — | 2–3 % |
| Chloride resistance | Moderate | High |
| Cost | More economical | Higher |
| Typical use | Kitchens, furniture, interiors | Marine, chemical, outdoor |
Which One Should You Choose?
- Choose 304 for cost-focused indoor applications, furniture and standard kitchen equipment.
- Choose 316 for marine environments, chemical processing plants and outdoor structures exposed to salt or heavy pollution.
Consult MTC experts to determine the best grade for your project requirements.
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