5 - 420mm Diameter baja Paduan U Bend Tube JIS G 3462 TBA 12 / STBA 13 / STBA 20
Rincian produk
menekuk tabung baja
,bending steel pipe
JIS G 3462 STBA 12 STBA 13 STBA 20 STBA 22 STBA 23 STBA 24 STBA 25 STBA 26 Boiler dan penukar panas baja paduan
JIS G 3462 Boiler dan penukar panas baja paduan
Standar:JIS G 3462
Ketebalan dinding 0,5-50mm Diameter 5-420mmLength Atas permintaan
Aplikasi: untuk boiler dan penukar panas
Metode produksi:
STBA 12, STBA 13, STBA 20, STBA 22: Pengelasan tahan listrik
STBA 25 STBA 26: Tanpa jahitan
Pengolahan panas:
STBA 12,STBA13:Penggilingan suhu rendah,
Penggilingan isotermik, penggilingan penuh,
normalisasi diikuti dengan tempering.
STBA 20 STBA22: Penggilingan suhu rendah,
Penggilingan isotermik, penggilingan penuh,
normalisasi diikuti dengan tempering.
STBA 23 STBA 24 STBA 25 STBA 26:Penggilingan isotermik,
Penggilingan penuh diikuti dengan tempering.
| Komposisi Kimia % max | |||||||
| Kelas baja | C | Ya. | Mn | P | S | Cr | Mo |
| STBA 12 | 0.10-0.20 | 0.10-0.50 | 0.30-0.80 | 0.035 | 0.035 | - | 0.45-0.65 |
| STBA 13 | 0.15-0.25 | 0.10-0.50 | 0.30-0.80 | 0.035 | 0.035 | - | 0.45-0.65 |
| STBA 20 | 0.10-0.20 | 0.10-0.50 | 0.30-0.60 | 0.035 | 0.035 | 0.50-0.80 | 0.45-0.65 |
| STBA 22 | 0.15 | 0.5 | 0.30-0.60 | 0.035 | 0.035 | 0.80-1.25 | 0.45-0.65 |
| STBA 23 | 0.15 | 0.50-1.00 | 0.30-0.60 | 0.035 | 0.030 | 1.00-1.50 | 0.45-0.65 |
| STBA 24 | 0.15 | 0.5 | 0.30-0.60 | 0.035 | 0.030 | 1.90-2.60 | 0.87-1.13 |
| STBA 25 | 0.15 | 0.5 | 0.30-0.60 | 0.035 | 0.030 | 4.00-6.00 | 0.45-0.65 |
| STBA 26 | 0.15 | 0.25-1.00 | 0.30-0.60 | 0.035 | 0.030 | 8.00-10.00 | 0.9-1.10 |
| Properti Mekanis Min | |||||
| Besi kelas | Kekuatan tarik Mpa | Titik hasil atau Tekanan tahan MPa | Elongasi % | ||
| OD 20mm dan lebih | OD 10 mm atau lebih sampai dan tidak termasuk 20 mm | OD hingga 10mm | |||
| STBA 12 | 380 | 205 | 30 | 25 | 22 |
| STBA 13 | 410 | 205 | 30 | 25 | 22 |
| STBA 20 | 410 | 205 | 30 | 25 | 22 |
| STBA 22 | 410 | 205 | 30 | 25 | 22 |
| STBA 23 | 410 | 205 | 30 | 25 | 22 |
| STBA 24 | 410 | 205 | 30 | 25 | 22 |
| STBA 25 | 410 | 205 | 30 | 25 | 22 |
| STBA 26 | 410 | 205 | 30 | 25 | 22 |
| Kekerasan | |
| Besi kelas | Kekerasan Rockwell HRB (Rata-rata nilai tiga poin) |
| STBA 12 | 80max |
| STBA 13 | 81max |
| STBA 20 | 85max |
| STBA 22 | 85max |
| STBA 23 | 85max |
| STBA 24 | 85max |
| STBA 25 | 85max |
| STBA 26 | 89max |
Pengemasan dan Pengiriman:
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