Tabung Baja Dinding Mulus Berat A333 / A333M Gr1, Gr2, Gr3, Gr4, Gr 5, Gr6
Rincian produk
thick wall steel pipe
,Tebal dinding Steel Tube
Bahan:
Karbon dan Baja Paduan, baja feritik
Grade 1A, Grade3, Grade 4, Grade 6A, Grade 7A
Pembuatan:
Pipa dibuat dengan proses pengelasan yang mulus dan tanpa penambahan logam pengisi dalam operasi pengelasan.
Grade 4 diproduksi dengan proses yang mulus
Perawatan panas:
Semua pipa seamless dan dilas, selain Grades 8 dan 11, dipanaskan untuk mengontrol mikrostruktur mereka sesuai dengan metode:
- Normalisasi
- Dipadamkan dan Marah
- Ganda Normalisasi dan Tempeed
TABEL 1 Persyaratan Kimia
Elemen | Komposisi,% | ||||
Kelas 1A | Kelas 3 | Kelas 4 | Kelas 6A | Kelas 7a | |
Karbon, maks | 0,30 | 0,19 | 0,12 | 0,30 | 0,19 |
Mangan | 0,40-1,06 | 0,31-0,64 | 0,50-1,05 | 0,29-1,06 | 0,90max |
Fosfor, maks | 0,025 | 0,025 | 0,025 | 0,025 | 0,025 |
Belerang, maks | 0,025 | 0,025 | 0,025 | 0,025 | 0,025 |
Silikon | ... | 0,18-0,37 | 0,18-0,37 | 0,10 menit | 0,13-0,32 |
Nikel | ... | 3.18-3.82 | 0,47-0,98 | ... | 2.03-2.57 |
Chromium | ... | ... | 0,44-1,01 | ... | ... |
Tembaga | ... | ... | 0,40-0,75 | ... | ... |
Aluminium | ... | ... | 0,04-0,30 | ... | ... |
Vanadium, maks | ... | ... | ... | ... | ... |
Columbium, maks | ... | ... | ... | ... | ... |
Molibdenum, maks | ... | ... | ... | ... | ... |
Kobalt | ... | ... | ... | ... | ... |
A Untuk setiap pengurangan 0,01% karbon di bawah 0,30%, peningkatan 0,05% mangan di atas 1,06% akan dipancarkan hingga maksimum 1,35% mangan.
TABEL 2 Suhu Dampak
Kelas | Suhu Uji Dampak Minimal | |
° F | ° C | |
1 | -50 | -45 |
3 | -150 | -100 |
4 | -150 | -100 |
6 | -50 | -45 |
7 | -100 | -75 |
8 | -320 | -195 |
9 | -100 | -75 |
10 | -75 | -60 |
11 | -320 | -195 |
Tes dan Inspeksi:
Persyaratan Tarik
Persyaratan Dampak
Teing Mekanik
- Contoh
- Uji Tarik Melintang atau Longitudinal dan Uji Perataan
- Tes hidrostatis
- Uji Dampak 
Dokumen referensi:
ASTM A370 Metode Pengujian dan Definisi untuk Pengujian Mekanik Produk Baja
Spesifikasi ASTM A999 / A 999M untuk Persyaratan Umum untuk Paduan dan Pipa Stainless Steel
ASTM A671 Spesifikasi untuk Pipa Baja Listrik Fusion-Dilas untuk Suasana dan Tempearature Rendah
E 23 Metode Pengujian untuk Pengujian Dampak Notched Bar dari Bahan Logam
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