Adopting cold rolling process
High inner hole finish, no pits or pitting defects
Excellent straightness, up to within 0.5mm/m
High cost-performance ratio, quality products at competitive prices
| Carbon Steel | 10#，20#，35#，45#，S45C, 55#，Q235B, Q235C,Q345D, |
| Alloy Steel | 16Mn（Q345B），20Cr.40Ct,15CrMo,20CrMo,28Cr Mo,30CrMo,35CrMo,42CrMo, |
| other materials | Available according to customer requirements |
| Outer Diameter | 10-120mm |
| Wall Thickness | 1.2-20mm |
| Length Options | Non-fixed length, fixed length, multiple length, even length |
Tensile Testing Machine, Rockwell Hardness Tester, Eddy Current Testing Equipment, Surface Roughness Tester, Outer Diameter Micrometer, Wall Thickness Micrometer, Inner Diameter Dial Gauge,Vernier Caliper
All products undergo strict quality inspection before shipment to ensure they meet international standards and customer requirements.
Material traceability with complete production/testing records per batch
Compensation for customer losses caused by product quality issues
