UNS S32205 Duplex stainless steel 25,4mm OD tahan klorida tabung boiler penukar panas tanpa lilitan
Product Details
| Kelas Bahan: | Baja Tahan Karat Dupleks UNS S32205 / 2205 | Diameter Luar: | 25.4mm |
|---|---|---|---|
| Ketebalan Dinding: | 1.65mm | Panjang: | Hingga 20.000mm |
| Proses Manufaktur: | Ditarik Dingin Tanpa Jahitan / Ditumbuk Dingin | Nilai PREN: | ≥35 (Angka Setara Resistensi Pitting) |
| Struktur mikro: | Austenit 40-60% / Saldo Ferit | Suhu layanan maksimal: | 300 Derajat Celsius |
| pengujian ndt: | 100% UT, Arus Eddy, PMI, Pengukuran Kadar Ferit, Uji Korosi ASTM G48 | ||
| Menyoroti |
Duplex 2205 UNS S32205,tabung tahan klorida,25.4mm Boiler Exchanger |
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Product Description
UNS S32205 Duplex 2205 adalah stainless steel duplex yang ditingkatkan nitrogen yang menggabungkan manfaat dari mikrostruktur austenit dan ferrit.Dengan kekuatan yield sekitar dua kali dari kelas austenit standar (304/316) dan ketahanan yang luar biasa terhadap retakan korosi stres klorida (SCC), tabung-tabung tanpa jahitan ini adalah pilihan yang disukai untuk layanan penukar panas agresif di lepas pantai minyak & gas, pengolahan kimia, dan aplikasi air laut didinginkan.
- Resistensi SCC Klorida Superior:Efektif tahan terhadap korosi tekanan klorida retak hingga 150 °C, melebihi TP316L
- Kekuatan output ganda:Kekuatan output ≥450 MPa memungkinkan desain dinding yang lebih tipis, mengurangi berat dan meningkatkan transfer panas
- PREN tinggi ≥35:Tahan korosi lubang dan celah yang sangat baik dalam air laut dan lingkungan kimia yang agresif
- NACE MR0175 Sesuai:Disetujui untuk layanan asam di lingkungan yang mengandung H2S menurut ISO 15156
- Biaya efektif:Kandungan nikel yang lebih rendah daripada kelas super-austenit memberikan harga yang stabil dengan kinerja yang lebih baik
| Properti | Nilai |
|---|---|
| Kelas | UNS S32205 / EN 1.4462 / ASTM A789 |
| Komposisi Kimia | C≤0.03, Cr: 22.0-23.0, Ni: 4,5-6.5, Mo: 3,0-3.5, N: 0,14-0.20 |
| Kekuatan tarik | ≥ 655 MPa |
| Kekuatan Hasil | ≥ 450 MPa |
| Perpanjangan | ≥ 25% |
| Kekerasan | ≤290 HB / 31 HRC |
Product Highlights
Tabung penukar panas mulus UNS S32205 duplex stainless steel 2205 dengan ketahanan retak korosi tegangan klorida yang unggul untuk lingkungan kimia agresif dan lepas pantai.
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