Pipa baja sing mulus kanggo panggunaan bangunan kapal utamane digunakake kanggo pipa tekanan Level 1 & Level 2 ing sistem pipa, ketel lan unit galangan kapal sing digawe panas.
Model N0. saka tabung baja utama: 320,360,410,460,490, etc.
ukuran:
| Jinis-jinis pipa baja | diameteripun metu | Ketebalan tembok | ||
| Tabung sing digulung kadhemen | Ukuran tabung (mm) | Toleransi (mm) | Ukuran tabung (mm) | Toleransi (mm) |
| > 30-50 | ± 0.3 | ≤30 | ± 10% | |
| > 50-219 | ± 0,8% | |||
| Tabung sing digulung panas | > 219 | ± 1,0% | ＞ 20 | ± 10% |
Komposisi kimia:
| Model tabung baja | Komposisi kimia (%) | ||||
| C | Si | Mn | P | S | |
| 320 | ≤0.16 | ≤0.35 | 0.40-0.70 | ≤0,035 | ≤0,035 |
| 360 | ≤0.17 | ≤0.35 | 0.40-0.80 | ≤0,035 | ≤0,035 |
| 410 | ≤0.21 | ≤0.35 | 0.40-1.20 | ≤0,035 | ≤0,035 |
| 460 | ≤0,22 | ≤0.35 | 0.80-1.40 | ≤0,035 | ≤0,030 |
| 490 | ≤0,23 | ≤0.35 | 0.80-1.50 | ≤0,035 | ≤0,030 |
Sifat mekanik:
| Model tabung baja | Kekuatan tarik (MPa) | Kekuatan hasil (MPa) | Elongation (%) |
| 320 | 320-410 | ≥195 | ≥25 |
| 360 | 360-480 | ≥215 | ≥24 |
| 410 | 410-530 | ≥235 | ≥22 |
| 460 | 460-580 | ≥265 | ≥21 |
| 490 | 490-610 | ≥285 | ≥21 |
Wektu kirim: Feb-10-2023