

- Penerangan
2205 Duplex Stainless Steel Plate: The High-Strength and High-Corrosion-Resistance Solution
2205 duplex stainless steel plate is a dupleks (austenit + ferit) keluli tahan karat designed to deliver a powerful combination of high mechanical strength and excellent corrosion resistance. Ia digunakan secara meluas dalam platform luar pesisir, chemical processing equipment, kapal tekanan, and marine engineering structures.
Compared with traditional austenitic stainless steels, 2205 offers nearly double the yield strength, making it a preferred material for demanding structural applications.
1. Apa itu 2205 Keluli Tahan Karat Dupleks?
| Harta benda | Penerangan |
|---|---|
| Material type | Keluli tahan karat dupleks (austenit + ferit) |
| Typical composition | 22% Cr, 5–6% Ni, Mo + N additions |
| Kekuatan hasil | Much higher than 316L |
| Rintangan kakisan | Cemerlang, terutamanya dalam persekitaran klorida |
The duplex microstructure is the key factor behind its superior strength and stress corrosion resistance.
2. Duplex Steel Working Principle
- Austenite phase provides toughness and ductility
- Ferrite phase provides strength and chloride resistance
- Balanced structure improves overall mechanical stability
| Phase | Fungsi |
|---|---|
| Orang Austenit | Toughness and impact resistance |
| ferit | Strength and stress corrosion resistance |
3. 2205 vs 316L Stainless Steel Comparison
| Harta benda | 2205 Dupleks | 316L Keluli Tahan Karat |
|---|---|---|
| Kekuatan hasil | Sangat tinggi (~2× 316L) | Sederhana |
| Rintangan kakisan | Cemerlang (especially chlorides) | bagus |
| Stress corrosion cracking resistance | Sangat kuat | Sederhana |
| Kecekapan kos | Higher initial cost, better lifecycle value | Lower initial cost |
4. Kelebihan Utama 2205 Duplex Plate
- High strength allows thinner material design
- Excellent resistance to chloride stress corrosion cracking
- Good fatigue resistance under cyclic loads
- Long service life in aggressive environments
5. Aplikasi Perindustrian
| industri | Contoh Aplikasi |
|---|---|
| Offshore engineering | Platforms, seawater systems, komponen struktur |
| Industri kimia | Reaktor, penukar haba, kapal tekanan |
| Minyak & gas | Saluran paip, separators, high-pressure systems |
| Kejuruteraan marin | Ship components, sistem penyahgaraman |
6. Pertimbangan Pemprosesan
- Requires controlled welding procedures to maintain phase balance
- Higher strength requires careful machining setup
- Heat input control is critical during fabrication
- Cold forming is possible but requires higher force
7. Keupayaan Bekalan Keluli Tahan Karat Teda Ganghua
Pada Teda Ganghua, kami membekalkan berkualiti tinggi 2205 duplex stainless steel plates with stable duplex microstructure and excellent corrosion resistance performance. Our materials are widely used in offshore, kimia, and high-strength industrial applications worldwide.
We also provide precision cutting, sokongan fabrikasi, and customized processing services to meet complex engineering requirements.
Terokai produk keluli tahan karat kami di sini:
Produk Plat Keluli Tahan Karat
Kesimpulan
2205 duplex stainless steel plate is a high-performance material that combines strength and corrosion resistance. Its superior mechanical properties and excellent chloride resistance make it an ideal solution for offshore and chemical industry applications where reliability is critical.











