| Section Shape |
Round |
| Secondary Or Not |
Non-secondary |
| Application |
Boiler Pipe |
| Technique |
Cold Drawn |
| Certification |
CE |
| Alloy Or Not |
Is Alloy |
| Standard |
GB |
| Grade |
10#-45# |
| Thickness |
1.0 - 70 mm |
| Outer Diameter |
10 - 711 mm |
| Place of Origin |
China (Mainland) |
Oil Cracking Pipe Seamless Steel Tube Uses: For manufacture of furnace tubes, heat exchangers and pipelines in refineries. Standard: GB 9948 Steel Grades: 10, 20, 12CrMo, 15CrMo, 1Cr2Mo, 1Cr5Mo,1Cr19Ni9, 1Cr19Ni11Nb. Tolerance of Dimensions: OD <=159mm ±1% WT <=20mm ±12.5% When wall thickness is more than 16mm, yield strength can be less than 10MPa.