1.4372 vs 1.4301 stainless steel pipe: what’s the difference?
Jun 17, 2025
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When choosing stainless steel pipes for industrial, construction, or decorative use, 1.4372 (AISI 201) and 1.4301 (AISI 304) are two widely used austenitic grades. While they may look similar in appearance, they differ significantly in chemical composition, corrosion resistance, mechanical properties, and cost. Understanding these differences helps buyers make smarter decisions based on performance, environment, and budget.
1.4372 vs 1.4301 stainless steel round pipe: Chemical Composition Comparison
| Element | 1.4372 (AISI 201) | 1.4301 (AISI 304) |
|---|---|---|
| Chromium (Cr) | 16.0 – 18.0% | 17.5 – 19.5% |
| Nickel (Ni) | 3.5 – 5.5% | 8.0 – 10.5% |
| Manganese (Mn) | 5.5 – 7.5% | ≤ 2.0% |
| Nitrogen (N) | ≤ 0.20% | ≤ 0.10% |
| Carbon (C) | ≤ 0.15% | ≤ 0.07% |
Key takeaway: 1.4372 uses manganese and nitrogen to reduce nickel, making it cheaper but less corrosion-resistant.
1.4372 vs 1.4301 stainless steel :Corrosion Resistance
1.4301stainless steel seamless pipe : Excellent resistance to oxidation, freshwater, food acids, and mild chlorides. Suitable for kitchens, chemical tanks, medical equipment, etc.
1.4372 stainless steel seamless pipe: Moderate resistance to atmospheric and indoor conditions. Not recommended for marine, chloride, or acidic environments.
If your application involves moisture or chemical exposure, 1.4301 is the safer long-term investment.
1.4372 vs 1.4301 stainless steel :Mechanical Properties
| Property | 1.4372 (201) | 1.4301 (304) |
|---|---|---|
| Tensile Strength | ≥ 650 MPa | ≥ 520 MPa |
| Yield Strength | ≥ 275 MPa | ≥ 210 MPa |
| Elongation (%) | ≥ 35% | ≥ 40% |
| Hardness (HRB) | ≤ 95 | ≤ 90 |
1.4372 vs 1.4301 stainless steel:Price
1.4372 pipe: ~20–30% cheaper than 1.4301 due to lower nickel content.
1.4301 pipe: Higher upfront cost but lower maintenance and longer service life in harsh environments.
1.4372 vs 1.4301 stainless steel :Application
| Industry / Use | Recommended Grade |
|---|---|
| Kitchenware, sinks, food contact | 1.4301 (304) ✅ |
| Architectural decoration (indoors) | 1.4372 (201) ✅ |
| Chemical piping / pressure lines | 1.4301 (304) ✅ |
| Furniture tubing / railings | 1.4372 (201) ✅ |
| Marine / chloride-rich areas | 1.4301 (304) ✅ |
Which is better, 1.4372 or 1.4301?
For corrosive or long-term outdoor applications, 1.4301 is clearly better.
For indoor, low-budget projects, 1.4372 is more cost-effective.
Can I replace 1.4301 with 1.4372?
Only in non-critical, low-corrosion environments like interior decoration or structural use.
📢 Ready to Source?
We stock 1.4372 and 1.4301 stainless steel pipes in various sizes, surface finishes (2B, BA, polished), and wall thicknesses. All products come with mill test certificates (EN 10204 3.1) and custom fabrication options.
👉 Contact us today to get the best price and datasheets for your project needs.
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