Duplex Stainless Steels
Duplex Stainless Steels Overview
Duplex stainless steel combines ferritic and austenitic structures, delivering high strength, toughness, and exceptional resistance to stress corrosion cracking in chloride environments. With precision casting and rigorous quality control, BESSER delivers reliable duplex components for marine, petrochemical, and industrial systems, optimizing performance and extending service life.
Advantages of Duplex Stainless Steels
High strength
Excellent corrosion resistance
Stress corrosion cracking resistance
Excellent fatigue strength
Good toughness and ductility
Weight savings
Cost-effective
Duplex Stainless Steels Features and Applications
We specialize in duplex stainless steel castings that deliver outstanding strength and corrosion resistance. Browse our alloy options to meet your application requirements. Need something specific? Reach out to our engineering team here for custom solutions.
| Alloy Types | Features & Uses |
|---|---|
| 1.4460(AISI 329, S32900) | High strength, excellent resistance to chloride stress corrosion cracking. Ideal for marine engineering, heat exchangers, pumps, and valves. |
| 1.4462/2205 | Most widely used duplex stainless steel, superior pitting and crevice corrosion resistance. Suitable for chemical processing, pipelines, storage tanks, and pulp and paper industry. |
| 1.4468(S32003) | Low-alloy duplex stainless steel, cost-effective, suitable for mild corrosion environments. Used in architectural components and lightweight structures. |
| 1.4501(S32760, Zeron 100) | Outstanding pitting and crevice corrosion resistance, ideal for high-chloride environments. Applied in desalination equipment, oil and gas pipelines, pressure vessels. |
| 1.4517(S32550) | High molybdenum content, excellent corrosion resistance. Suitable for chemical processing equipment, heat exchangers, piping systems. |
| 1.4770(S32950) | Maintains good corrosion resistance in high-temperature environments. Applied in high-temperature heat exchangers, furnace tubes. |
| A890 1A(A995 1B) | General-purpose duplex stainless steel, good strength and corrosion resistance. Applied in valve bodies, pump housings, and piping accessories. |
| A890 3A | Enhanced corrosion resistance, especially in chloride-rich environments. Suitable for oil and gas equipment, chemical containers. |
| 2507 (S32750) | Extremely high strength, exceptional resistance to chloride stress corrosion cracking. Ideal for marine engineering, heat exchangers, and oil and gas industry. |
| 022Cr22Ni5Mo3N | Cost-effective duplex stainless steel, suitable for moderate corrosion environments. Used in petrochemical equipment, heat exchangers. |
| 022Cr25Ni6Mo2N | Enhanced resistance to chloride corrosion, superior pitting and crevice corrosion resistance. Ideal for marine engineering, desalination equipment. |
Over 200 material grades developed and produced
Utilize international standards (GB, ASTM, AISI, DIN, NF, JIS, BS, AS, AAR, etc.) for material quality
Efficient resource utilization reduces production costs
Proven expertise in controlling alloy composition for better performance
Advanced SPECTRO spectrometers ensure precise chemical composition
Detailed reports provided with chemical composition and dimensional data
We Guarantee Optimal Alloy Formulation and Cost Control
FAQs About Duplex Stainless Steel Casting
Get the answers you need about duplex stainless steel casting here.
