Difference between SS 304 and 202

The main difference between SS 304 and SS 202 stainless steel lies in their nickel and chromium content. SS 304 contains higher nickel (at least 8%) and chromium (at least 18%), which makes it more durable and highly resistant to corrosion. On the other hand, SS 202 has lower nickel (4–6%) and higher manganese, making it more affordable but less resistant to rust.

What is SS 304 Stainless Steel?

SS 304 is one of the most widely used stainless steel grades in the world. Belonging to the austenitic family, it is non-magnetic, strong, and highly corrosion resistant. Thanks to its balance of strength, durability, and resistance to rust, it is often referred to as the standard “18/8 stainless steel.”

The chemical composition of SS 304 includes 18–20% chromium, 8–10.5% nickel, up to 2% manganese, 0.08% carbon, and small amounts of silicon, nitrogen, phosphorous, and sulfur. This unique balance gives SS 304 its well-known properties.

Mechanically, it offers a tensile strength of about 515 MPa, yield strength of 205 MPa, elongation of 40%, and a hardness level of Rockwell B 92. Because of these characteristics, SS 304 is extremely popular worldwide. It provides excellent corrosion resistance even in salty or humid environments, is hygienic and safe for food-grade use, requires little maintenance, and performs well both indoors and outdoors. This is why SS 304 is the preferred choice for kitchenware, surgical tools, marine applications, and architectural projects.

What is SS 202 Stainless Steel?

SS 202 is also an austenitic stainless steel grade but is designed to be more cost-effective. Instead of high nickel content, it uses manganese and nitrogen to maintain strength while lowering the overall cost.

Its chemical composition typically includes 17–19% chromium, 4–6% nickel, 7.5–10% manganese, 0.15% carbon, and up to 1% silicon, with iron as the balance. This composition provides strength similar to SS 304, with a tensile strength of around 515 MPa and a slightly higher yield strength of 275 MPa.

The advantage of SS 202 lies in its affordability and strength. However, it does not offer the same corrosion resistance as SS 304, especially in environments exposed to moisture, seawater, or salt. This makes SS 202 suitable for indoor kitchen utensils, furniture, and decorative applications, where rust risk is low and cost is a major factor.

SS 304 vs SS 202 – Key Differences

When comparing SS 304 and SS 202, the first difference is in composition. SS 304 has more nickel and chromium, which increases its resistance to corrosion. SS 202, with lower nickel and higher manganese, is more budget-friendly but prone to rust in challenging environments.

In terms of strength, both grades offer similar tensile strength of about 515 MPa, though SS 202 has slightly higher yield strength. Still, SS 304 outperforms in long-term durability, especially in harsh or outdoor conditions.

Corrosion resistance is where SS 304 clearly wins. It remains rust-free in salty water, humid climates, or outdoor exposure, whereas SS 202 tends to corrode faster under similar conditions.

There is also a significant price difference. Since nickel is expensive, SS 304 is costlier than SS 202. That said, the investment in SS 304 pays off in the long run because of its extended lifespan.

For identification, a simple spark test can help. SS 304 produces reddish sparks that travel further, while SS 202 sparks are yellowish and shorter. Visually, both grades look similar until rust appears, which happens sooner in SS 202.

Applications of SS 304 and SS 202

Because of its superior properties, SS 304 is used in kitchen sinks, cookware, medical instruments, marine equipment, outdoor furniture, and industrial applications where hygiene and corrosion resistance are critical.

SS 202, being more affordable, is common in budget kitchenware, indoor furniture, utensils, and decorative fittings. It works well where regular cleaning is possible and exposure to moisture is minimal.

Weldability and Fabrication

Both SS 304 and SS 202 can be welded using traditional methods. SS 202 is easier to weld due to its higher iron content, but the welded joints may corrode faster. SS 304, on the other hand, is slightly more challenging to weld but offers better resistance at the joints, making it more reliable in the long run.

Which is Better for Kitchen – SS 304 or SS 202?

If you are choosing stainless steel for kitchen use, your decision depends on budget and durability needs. SS 202 is a good option for indoor, low-cost utensils and kitchenware that are cleaned regularly and not exposed to harsh conditions.

However, if you want long-lasting, rust-free, hygienic kitchen equipment, especially for restaurants, outdoor kitchens, or professional use, SS 304 is the better investment. It not only lasts longer but also maintains a premium appearance and ensures food safety.

 In simple terms: choose SS 202 for affordability and SS 304 for durability.

Why Choose Crownisi?

At Crownisi, we believe that stainless steel is not just about affordability but about quality, trust, and long-term value. We provide high-grade stainless steel products that undergo strict quality checks to ensure durability and performance.

• Trusted Quality : We source only the finest grades of stainless steel.
• Expert Guidance : Our team helps you choose between SS 304 and SS 202 depending on your budget and needs.
• Affordable Pricing : With Crownisi, you get the best balance between price and quality.
• Customer Satisfaction : We focus on building long-term relationships through reliability and service.

When you choose Crownisi, you are choosing a brand committed to excellence, durability, and value.

FAQs

Q1. Which is better, SS 304 or SS 202?

SS 304 is more durable and resistant to rust, while SS 202 is more affordable but less corrosion resistant. Your choice depends on budget and usage.

Q2. Can SS 202 be used for kitchen utensils?

Yes, SS 202 can be used for indoor kitchen utensils, but it may rust faster if exposed to moisture for long periods.

Q3. Why is SS 304 more expensive than SS 202?

SS 304 contains more nickel, which is costly but improves corrosion resistance and lifespan.

Q4. How can I identify SS 304 and SS 202?

SS 304 produces reddish sparks in a spark test, while SS 202 produces yellowish, shorter sparks. Over time, SS 202 shows rust earlier.

Q5. Why should I buy stainless steel from Crownisi?

Because Crownisi guarantees authentic material, expert advice, and high-quality stainless steel products tailored to your needs.

Conclusion

To summarize, SS 304 is stronger, more corrosion resistant, and longer lasting, while SS 202 is more affordable but less durable in tough environments. Both have their own advantages depending on where and how they are used.