If you are sourcing stainless steel from China, you have probably been offered 201 as a cheaper alternative to 304. And it is cheaper — around 25-35% less per ton. But that saving only works if the grade fits your actual application. Here is what you need to know about 201 vs 304 stainless steel, based on real pricing data and application experience.
What Makes These Two Grades Different?
Both are austenitic stainless steels. To the untrained eye, they look identical in standard mill finish. The difference is in the alloy.
304 is the classic 18/8 formula: 18-20% chromium and 8-10.5% nickel. This combination gives it excellent corrosion resistance and reliable performance across a wide range of environments.
201 was developed in the 1950s during nickel shortages. It replaces roughly half the nickel with manganese (5.5-7.5%) and nitrogen. The nickel content drops to 3.5-5.5%, and chromium drops slightly to 16-18%. This cuts raw material cost, but it also reduces corrosion resistance.
Chemical Composition Comparison
| Element | 304 Stainless Steel | 201 Stainless Steel | Impact |
|---|---|---|---|
| Chromium (Cr) | 18.0 – 20.0% | 16.0 – 18.0% | Higher Cr = stronger passive oxide film |
| Nickel (Ni) | 8.0 – 10.5% | 3.5 – 5.5% | Critical for corrosion resistance and toughness |
| Manganese (Mn) | ≤ 2.0% | 5.5 – 7.5% | Replaces nickel to cut cost, no corrosion benefit |
| Carbon (C) | ≤ 0.08% | ≤ 0.15% | Higher carbon reduces weldability |
| Nitrogen (N) | Trace | ≤ 0.25% | Helps maintain austenitic structure |
Pricing Comparison: How Much You Actually Save
This is where 201 looks attractive on paper. Current 2026 FOB China pricing:
| Region | 201 (USD/kg) | 304 (USD/kg) | Savings with 201 |
|---|---|---|---|
| China (FOB) | $1.80 – $2.20 | $2.50 – $3.00 | 25-35% |
| Southeast Asia (Landed) | $2.10 – $2.60 | $2.90 – $3.50 | 25-30% |
| Middle East (Landed) | $2.30 – $2.80 | $3.20 – $3.80 | 25-30% |
| Europe (Landed) | $2.60 – $3.20 | $3.85 – $4.20 | 25-35% |
Per metric ton, that is roughly $600-$1,000 saved by choosing 201. For a 20-ton order, you save $12,000-$20,000. I have seen procurement teams jump at those numbers.
But here is the thing — that saving disappears fast if the material needs replacement within 2-3 years. And in many environments, it will.
Corrosion Resistance: Where the Gap Really Shows
This is the single most important practical difference between these two grades. The numbers tell the story clearly.
| Test / Metric | 201 | 304 |
|---|---|---|
| ASTM B117 Salt Spray (hours to initial rust) | 24 – 120 hrs | 120 – 500+ hrs |
| Relative Pitting Resistance | 1x (baseline) | ~4.6x better |
| PREN (Pitting Resistance Equivalent) | < 17 | 19 – 24 |
| Real-world humid environment | Rust/pitting in 6-12 months | 3+ years with minimal degradation |
| Coastal (salt-laden air) | Visible pitting within months | Reliable for 5+ years |
I have seen this play out in actual projects. A client in Malaysia used 201 for outdoor handrails to save money. Within 18 months, the surface had visible rust spots, especially at weld joints and cut edges where the passive film was damaged. The maintenance cost to clean and re-passivate was higher than what they saved on material.
Total Cost of Ownership: A Real Example
Let me walk through a typical scenario. A buyer sources 2 tons of stainless steel sheet for commercial kitchen equipment fabrication. Here is what the 5-year TCO looks like:
| Cost Factor | 201 Option | 304 Option |
|---|---|---|
| Material cost (2 tons) | $4,000 | $5,500 |
| Fabrication | $1,800 (harder forming) | $1,500 (easier welding/forming) |
| Maintenance (5 years) | $2,500 ($500/yr cleaning + spot repair) | $300 ($60/yr routine only) |
| Replacement (year 3) | $4,000 (partial replacement) | $0 |
| 5-Year Total | $12,300 | $7,300 |
The $1,500 saved upfront turned into $5,000 in extra costs over 5 years. This pattern repeats across many applications — not always this extreme, but the direction is consistent.
Mechanical Properties: 201 Is Actually Stronger
One area where 201 outperforms 304 is strength. In the annealed condition, 201 has higher yield strength (about 310 MPa vs 205 MPa) and higher tensile strength (about 655 MPa vs 515 MPa). This makes it a decent choice for structural applications in dry environments where rigidity matters.
But there is a trade-off. 201 work-hardens much faster than 304. Deep drawing, bending, or complex forming requires intermediate annealing to prevent cracking. 304 is more forgiving during fabrication — it forms more predictably and needs fewer process stops.
In our experience at FANY LASER, buyers who need tight-radius bends or deep-drawn parts almost always pick 304 for forming ease alone, even before considering corrosion.
Which Applications Fit Each Grade?
Use 201 Stainless Steel When:
- The environment is dry and climate-controlled (indoor decorative trim, furniture frames, elevator interior panels)
- Cost is the main driver and you accept a 5-7 year product lifespan
- No food contact, no moisture, no chlorides
- Good strength is needed and corrosion risk is minimal
- Typical applications: indoor handrails, door frames, appliance panels, budget consumer goods in mild climates
Use 304 Stainless Steel When:
- There will be moisture, humidity, or cleaning chemicals
- Food contact is required (kitchens, food processing, restaurants)
- The project is outdoor or coastal
- You need the product to last 10+ years with minimal maintenance
- Formability and weld quality matter for complex parts
- Typical applications: stainless steel sheet and plate for kitchen equipment, chemical tanks, architectural cladding, marine fixtures
Beware of 201 Sub-Variants (J1 vs J5)
Something many first-time importers do not know: there are cheaper sub-variants of 201 passing as the standard grade. 201J5, for example, has chromium as low as 13.3% and nickel as low as 1.45%. That is barely stainless steel by any reasonable definition. The corrosion resistance is significantly worse than standard 201 (which already has limited resistance).
If your supplier quotes a 201 price that looks too good, ask for the exact grade (201J1 vs 201J5) and request a mill test certificate. In one case I dealt with, a buyer thought they were getting 304 at a discount — it turned out to be 201J5 with a misleading label. The material started rusting within 3 months in a commercial kitchen.
My Recommendation for First-Time Importers
Start with 304. It is the industry standard for good reason — reliable performance across most environments, easy to weld and form, food-grade certified, and well understood by fabricators worldwide.
Consider 201 only after you have examined your specific application environment and confirmed it stays dry and non-corrosive. Even then, order a small sample batch first and test it in actual conditions before committing to a full container.
If you are unsure which grade fits your project, get in touch with us. We supply both 201 and 304 stainless steel plate, sheet, and coil — and we will tell you honestly which one you actually need.