Keterangan
Fitting pipa las butt buatan pabrik
ASTM A403 WP316L Butt Weld Pipe Cap to ASME B16.9
A corrosion-resistant 316L stainless steel end closure with a weld bevel for high-integrity process, laut, pharmaceutical and water-treatment piping.
Apa itu ASTM A403 WP316L butt weld pipe cap?
Sebuah ASTM A403 WP316L pipe cap is a wrought austenitic stainless steel butt-welding fitting used to close the end of a pipe, header or branch permanently. Its contoured closed end and prepared weld bevel support a compact, leak-tight termination without a bolted joint.
WP316L combines low carbon content with molybdenum alloying. It is frequently selected where welded fabrication and localized corrosion resistance are more important than the lower initial cost of WP304L. Actual suitability must be checked against chloride level, suhu, cleaning chemicals and the project corrosion allowance.
WP316L pipe cap specifications
| Jenis produk | Butt weld pipe cap / tutup akhir / tutup BW |
|---|---|
| Spesifikasi bahan | ASTM A403 WP316L |
| Penunjukan bahan | UNS S31603; umumnya direferensikan silang dengan EN 1.4404 / X2CrNiMo17-12-2 |
| Standar dimensi | ASME B16.9; Opsi MSS SP-43 jika berlaku |
| Ukuran nominalnya | NPS 1/2–48 / DN15–DN1200, subject to material, wall and manufacturing route |
| Ketebalan dinding | sekolah 5S, 10S, 40S, 80S, 160, XXS dan dinding khusus proyek |
| Konstruksi | Mulus atau dilas sebagaimana berlaku dan dipesan |
| Akhiri persiapan | Butt-weld bevel to the ordered piping specification |
| Permukaan | Acar/pasivasi, solution-annealed finish or project-specific treatment |
| Dokumentasi | EN 10204 3.1 MTC, keterlacakan nomor panas, laporan dimensi dan PMI saat dipesan |
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 A403 WP316L, ASME B16.9, NPC, matching pipe schedule, konstruksi, bevel and supplementary examination. Include the pipe specification when an exact bore or special wall is required.
proyek-proyek Eropa
State the required EN material designation such as 1.4404, DN size, ketebalan dinding, fitting dimensional standard, PED-related documentation if applicable and EN 10204 inspection certificate type.
WP316L vs WP304L pipe cap
| Titik seleksi | WP316L | WP304L |
|---|---|---|
| penunjukan AS | S31603 | S30403 |
| Molibdenum | Typically alloyed with molybdenum | No intentional molybdenum addition |
| Relative corrosion behavior | Better localized corrosion resistance in many chloride services | Good general corrosion resistance for less aggressive service |
| Seleksi yang khas | Kimia, laut, water treatment and demanding hygienic service | Clean utilities, food processing and general industrial service |
Aplikasi yang umum
| Industri | Layanan khas | Alasan pemilihan |
|---|---|---|
| Pemrosesan kimia | Process headers, drains and equipment branch closures | Corrosion resistance plus welded system integrity |
| Marine and water treatment | Seawater-adjacent and chloride-bearing utility lines | Improved pitting resistance versus 304L in many conditions |
| Farmasi | Clean utilities and validated process support systems | Low-carbon weldability and traceable stainless construction |
| Makanan dan minuman | Cleaning circuits and corrosive product lines | Cleanable stainless surface and durable closure |
Contoh penerapan hanya sebagai panduan saja. Insinyur proyek harus memastikan kompatibilitas material, tunjangan korosi, persyaratan dampak dan kepatuhan kode desain.
Manufaktur, inspeksi dan dokumentasi
The manufacturing route may include forming, solusi perlakuan panas, weld processing where applicable, kalibrasi, pemesinan miring, pickling/passivation and final inspection. PMI and surface-condition requirements should be stated at quotation stage.
Kontrol nomor panas dan tinjauan MTC terhadap spesifikasi pembelian.
Diameter luar, panjang keseluruhan, ketebalan dinding, ovalitas dan geometri kemiringan diperiksa sesuai pesanan.
PT, MT, UT, RT, kekerasan atau inspeksi pihak ketiga dapat diatur bila ditentukan.
EN 10204 3.1 sertifikat dan catatan inspeksi diberikan sesuai dengan pesanan pembelian.
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
What does WP316L mean?
WP316L identifies a wrought austenitic stainless steel fitting grade under ASTM A403. UNS S31603 is the corresponding alloy designation.
Melakukan ASME B16.9 define the material?
TIDAK. ASME B16.9 primarily addresses dimensions, toleransi, peringkat, testing and marking for factory-made wrought butt-welding fittings. ASTM A403 defines the stainless steel material requirements.
Which schedules can be supplied?
Common requirements include Sch 5S, 10S, 40S and 80S, with heavier or project-specific walls available subject to size and manufacturing route.
Is WP316L always suitable for seawater?
No material should be selected from grade name alone. Suhu, konsentrasi klorida, mengalir, crevices and cleaning chemistry must be reviewed; duplex or super duplex may be preferred for more severe service.
Can PMI and EN 10204 3.1 documents be supplied?
Ya, when included in the purchase order. Keterlacakan nomor panas, EN 10204 3.1 sertifikasi, PMI and dimensional inspection can be supplied to the agreed inspection plan.
Request a WP316L pipe cap quotation
Send the NPS or DN, jadwal, kuantitas, konstruksi, bevel and inspection requirements for a project-specific quotation.
