Keterangan
Fitting pipa las butt buatan pabrik
ASTM A815 S32205 Dupleks 2205 Tutup Ujung Pipa
A high-strength duplex stainless steel butt-weld closure for offshore, desalinasi, kimia, marine and pulp-and-paper piping.
Apa itu ASTM A815 S32205 Dupleks 2205 tutup pipa?
Sebuah ASTM A815 S32205 pipe end cap is a wrought duplex stainless steel butt-welding fitting used to terminate a pipe or header. Its ferritic-austenitic microstructure gives Duplex 2205 a combination of strength and corrosion resistance that can outperform conventional austenitic stainless steels in suitable chloride-bearing services.
Correct solution heat treatment and controlled fabrication are essential to the intended duplex phase balance and corrosion performance. Purchase specifications should define the exact ASTM A815 grade designation, nomor UNS, perlakuan panas, testing and any project-specific ferrite or corrosion-test acceptance criteria.
S32205 Dupleks 2205 cap specifications
| Jenis produk | Duplex stainless steel butt weld pipe end cap |
|---|---|
| Spesifikasi bahan | ASTM A815, ordered grade designation with UNS S32205 |
| Penunjukan bahan | UNS S32205 / Rangkap 2205; umumnya direferensikan silang dengan EN 1.4462 |
| Standar dimensi | ASME B16.9 |
| Ukuran nominalnya | NPS 1/2–48 / DN15–DN1200, tergantung pada dinding dan rute produksi |
| Ketebalan dinding | Standard schedules and custom walls subject to forming and heat-treatment review |
| Konstruksi | Mulus atau dilas sebagaimana berlaku dan dipesan |
| Perawatan panas | Solution heat treated in accordance with the ordered material specification |
| Akhiri persiapan | Butt-weld bevel to the matching pipe and welding specification |
| Dokumentasi | EN 10204 3.1 MTC, PMI, heat-treatment record and additional testing as ordered |
Dimensi dan toleransi mengikuti standar dan edisi yang dipesan. Kesesuaian tekanan-suhu akhir ditentukan oleh kode desain perpipaan, bahan, ketebalan dinding, kesesuaian pipa dan kondisi servis.
Persyaratan proyek ASME dan Eropa
Proyek Amerika Utara
Menentukan ASTM A815 with the complete grade designation and UNS S32205, ASME B16.9, NPC, jadwal dinding, konstruksi, supplementary tests and required solution heat-treatment records.
proyek-proyek Eropa
Specify EN 1.4462 jika diperlukan, together with DN, ketebalan dinding, standar dimensi, inspection certificate, regulatory requirements and any corrosion or ferrite testing.
Rangkap 2205 vs 316L pipe end cap
| Titik seleksi | S32205 Dupleks 2205 | WP316L / S31603 |
|---|---|---|
| Structure | Duplex ferritic-austenitic | Austenitik |
| Kekuatan | Higher typical yield strength | Lower typical yield strength but broad fabrication familiarity |
| Chloride behavior | Improved SCC and localized corrosion resistance in many services | Good general resistance; limitations increase with severe chloride exposure |
| Kontrol fabrikasi | Tighter heat-input and phase-balance control | Established austenitic stainless welding practice |
Aplikasi yang umum
| Industri | Layanan khas | Alasan pemilihan |
|---|---|---|
| Minyak dan gas lepas pantai | Air yang diproduksi, utilities and process headers | Kekuatan dan ketahanan klorida |
| Desalinasi | Pretreatment, brackish water and selected seawater systems | Resistance to localized corrosion when correctly specified |
| Pemrosesan kimia | Chloride-bearing and corrosive process lines | Balanced strength and corrosion performance |
| Pulp dan kertas | Bleaching and chemical-recovery support systems | Useful resistance in selected chloride and chemical environments |
Contoh penerapan hanya sebagai panduan saja. Insinyur proyek harus memastikan kompatibilitas material, tunjangan korosi, persyaratan dampak dan kepatuhan kode desain.
Manufaktur, inspeksi dan dokumentasi
Duplex fittings require disciplined forming, welding where applicable and solution heat treatment. PMI, catatan perlakuan panas, ferrite testing and corrosion testing can be incorporated into the inspection plan when the project specification requires them.
PMI and heat-number traceability confirm the ordered UNS designation.
Solution heat-treatment cycle and records reviewed against ASTM A815 persyaratan.
Ferrite, kekerasan, corrosion or NDE testing performed when specified.
Ukuran, dinding, panjang, ovality and bevel verified before export packing.
Daftar periksa RFQ
- Kelas material dan spesifikasi produk
- Standar dimensi dan edisi
- Ukuran NPS atau DN
- Jadwal pipa atau ketebalan dinding yang tepat
- Konstruksi mulus atau dilas, bila diperlukan
- Persiapan akhir dan detail bevel
- Jumlah dan tujuan pengiriman
- MTC, Persyaratan inspeksi NDE dan pihak ketiga
Pertanyaan yang sering diajukan
Is S32205 the same as Duplex 2205?
UNS S32205 is a widely specified Duplex 2205 composition with defined chemistry controls. The full ordered material standard and grade designation remain authoritative.
Why choose Duplex 2205 instead of 316L?
Rangkap 2205 offers higher strength and improved resistance to chloride stress-corrosion cracking and localized corrosion in many services, but it also needs tighter welding and heat-treatment control.
Is a ferrite test required?
It is not automatically required for every order in the same way. If the project has a ferrite acceptance range or test method, include it in the purchase specification.
Can S32205 caps be welded to duplex pipe?
Ya, when the pipe, logam pengisi, prosedur pengelasan, heat input and interpass temperature are properly specified and qualified by the fabricator.
What should be included in the RFQ?
Include ASTM A815 nilai, UNS S32205, ASME B16.9, ukuran, dinding, konstruksi, perlakuan panas, mati suri, ferrite or corrosion tests and certification requirements.
Minta Dupleks 2205 kutipan tutup pipa
Share the full grade designation, ukuran, dinding, quantity and duplex inspection plan for a technically matched offer.
