BNK EN10305 Cold Drawn Seamless Precision Steel Tube
Rincian produk
Tabung Baja Presisi Mulus Dingin Ditarik
,EN10305 Tabung Baja Presisi Mulus
,EN10305 Tabung Baja Ditarik Dingin
BNK EN10305 Tabung Baja Precision Seamless Cold Drawn Untuk Tabung Baja Hidraulik
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Tabung baja hidrolik
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Standar
| Bahan | Pengiriman | Permukaan | Ukuran | |
| DIN | 2391/1630/2445 | ST37.4 ST52.4 | NBK | 1) BA 2)Fosfatasi hitam 3) Penggalvanisasi | OD 2 -60mm * WT0.3 -10mm |
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Keterangan:
| 10305-4 | E235 E355 | (+) N | ||
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BS
| 3602 | CFS 360 | Zinc Layer ketebalan lebih dari 8um | ||
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Besi lainnya juga tersedia atas permintaan
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Kondisi pengiriman:
Tabung dapat diproduksi dalam kondisi pengiriman berikut:
BK (+C) Dilengkapi dingin/keras (dilengkapi dingin sesuai gambar).
Tidak ada perawatan panas setelah proses pembentukan dingin terakhir.
BKW (+LC) Akhir dingin/lembut (dikerjakan dingin sedikit)
Setelah perawatan panas terakhir ada lulus finishing ringan (gambar dingin)
BKS (+SR) Akhir dingin / menghilangkan tekanan yang dipanaskan.
Setelah proses pembentukan dingin akhir tabung-tabung yang mengurangi tekanan annealed.
GBK (+A) Dipanaskan.
Setelah proses pembentukan dingin akhir, tabung dipanaskan dalam atmosfer yang terkontrol.
NBK (+N) Normal.
Setelah proses pembentukan dingin akhir tabung annealed di atas titik transformasi atas dalam atmosfer terkontrol
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Kelas baja
| Kekuatan Hasil | Kekuatan tarik | Perpanjangan | |
| Nama | Nomor | Min Mpa | Min Mpa | % |
| E215 | 1.0212 | 215 | 290-430 | 30 |
| E235 | 1.0308 | 235 | 340-480 | 25 |
| E355 | 1.0580 | 355 | 490-630 | 22 |
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OD
| Toleransi yang Diizinkan | Toleransi Khusus | ||
| GB/T3639 | DIN2391 | OD | WT | |
| 4mm-20mm | ± 0,1 mm | ± 0,08mm | ± 0,05mm | ± 0,05mm |
| 20mm-30mm | ± 0,1 mm | ± 0,08mm | ± 0,08mm | ± 0,08mm |
| 31mm-40mm | ± 0,15 mm | ± 0,15 mm | ±0,10mm | ± 0,08mm |
| 41mm-60mm | ± 0,2 mm | ±0,20mm | ± 0,15 mm | ± 0,15 mm |
| 61mm-80mm | ± 0,3 mm | ± 0,30mm | ±0,20mm | ±0,20mm |
| 81mm-120mm | ± 0,45mm | ± 0,45mm | ± 0,30mm | ± 0,30mm |
Fitur Utama:
Putih galvanis, warna galvanis (kuning galvanis), hijau zaitun.
Setelah galvanisasi, dinding luar tabung memiliki kecerahan yang baik, sifat anti karat dan anti korosi yang baik.
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