Short answer: Duplex stainless steel combines ferritic and austenitic phases for roughly double the strength and strong chloride resistance, so 2205 and 2507 suit seawater and chemical service; our Duplex Stainless Supplier ve Marine Guide give the supporting detail.
At a Glance
Grade Selection
2205 fits most seawater service while 2507 serves severe chloride, with the basis in our Stainless Steel Supplier and corrosion notes in our Corrosion Resistance Guide.
Strength and Corrosion
Duplex reaches about twice the yield of 316, with properties in our Güç Karşılaştırması and welding in our Stainless Welding Guide; a quick spec summary is below.
| Sınıf | Yield MPa | Use |
|---|---|---|
| 2205 | 450 | Seawater |
| 2507 | 550 | Severe |
| 2304 | 400 | Lean |
Inspection and Certification
Check phase balance and intermetallic risk, with tests in our Quality Inspection Guide and certification in our Mill Test Certificate Guide.
Procurement Tips
Buy certified, traceable duplex and pack for long transit with our Export Packing Guide.
Get a Quote
Tell HXSCO your requirements and we will respond with a competitive quote and lead time.
Sıkça Sorulan Sorular
A two-phase steel with high strength and chloride resistance.
2205 for most, 2507 for severe service.
Yes – roughly double the yield strength.
Yes – with controlled heat input and filler.
Yes – PMI and material certificates provided.
Buy Duplex Stainless from HXSCO
HXSCO supplies 2205, 2507, 2304 and LDX duplex stainless plate, pipe and fittings. Send grade and quantity for a quote.