Tabung baja yang mulus untuk retakan minyak bumi
Standar:
GB9948 memenuhi standar nasional Cina
Aplikasi:
Berfungsi sebagai tabung tungku, tabung pertukaran panas, dan saluran pipa pabrik minyak bumi dan kilang minyak
Tabung baja utama No. Model:
1n 9n 1morrtifrn 1rrrhMn 1f:hM0 dll
Toleransi dimensi:
Tipe tabung baja |
Diameter luar |
Ketebalan dinding |
Tabung rol dingin |
Ukuran Tabung (mm) |
Toleransi (mm) |
Ukuran Tabung (mm) |
Toleransi (mm) |
>30-50 |
±0.3 |
≤30 |
±10% |
>502-19 |
±0.8% |
Tabung gulung-panas |
>219 |
±1.0% |
>20 |
±10% |
![Seamless Steel Pipe for Petroleum Cracking](//www.micstatic.com/athena/img/transparent.png)
![Seamless Steel Pipe for Petroleum Cracking](//www.micstatic.com/athena/img/transparent.png)
Sifat mekanis:
Kode standar |
Model tabung baja |
Tensil(MPa) |
Hasil (MPa) |
Naskh (penghapusan) (%) |
Impact(J) |
Kekerasan(HB) |
GB9948 |
10 |
330-490 |
≥205 |
≥24 |
/ |
/ |
20 |
410550 -50 |
≥245 |
≥21 |
≥39 |
/ |
15CrMo |
44040-640 |
≥235 |
≥21 |
≥47 |
≤170 |
1R2Mo |
≥390 |
≥175 |
≥22 |
≥92 |
≤179 |
1R5Mo |
≥390 |
≥195 |
≥22 |
≥92 |
≤187 |
Komposisi kimia:
Kode standar |
Model tabung baja |
Komposisi kimia(%) |
C |
Si |
MN |
P |
S |
CR |
MO |
NI |
GB9948 |
10 |
0.07-0.14 |
0.17-0.37 |
0.35-0.65 |
≤0.035 |
≤0.035 |
≤0.15 |
/ |
≤0.25 |
20 |
0.17-0.24 |
0.17-0.37 |
0.35-0.65 |
≤0.035 |
≤0.035 |
≤0.25 |
/ |
≤0.25 |
15CrMo |
0.12-0.18 |
0.17-0.37 |
0.40-0.70 |
≤0.035 |
≤0.035 |
0.80-1.10 |
0.40-0.55 |
≤0.30 |
1R2Mo |
≤0.15 |
0.50-1.00 |
0.30-0.60 |
≤0.035 |
≤0.030 |
2.15-2.85 |
0.45-0.65 |
/ |
1R5Mo |
≤0.15 |
≤0.50 |
≤0.60 |
≤0.035 |
≤0.030 |
4.00-6.00 |
0.45-0.60 |
≤0.60 |