A few days ago, Zhoushan Lingang Chemical Park in Zhejiang Province applied new pipeline inspection technology in the maintenance of winter equipment, and used segment-by-section detection methods for buried and concealed process pipelines to ensure that the maintenance of pipeline equipment all met the relevant national quality standards. Prerequisites for safe operation. The picture shows the construction technicians on the 25th November to test the density of the pipeline before laying. (Specialist reporter should take photo of Hong Feng)
Ground and polished steel bar is produced by grinding and polishing after peeling, turning or cold drawing steel bar. Our advantages and more services of ground and polished steel bar includes:
1) Wide range of diameters from 20mm to 150mm
2) Customized Length from 100mm to 12000mm
3) Good surface roughness: 0.4um to 0.6um
4) Good straightness: 0.5mm/m to 1mm/m
5) Good roundness: 80% of diameter tolerance
6) Diameter tolerance: -0.02mm to -0.06mm
7) Matched further processing: Grinding, polishing, straightening
8) Anti-rusty package
9) Full sets of testing equipment: Surface, Dimenstion. Mechanical properties testing
10) Fast delivery time
4140 Ground Bar,Polished Steel Bar,Polished Steel Rod,Centreless Ground Bar
SHANDONG LE REN SPECIAL STEEL CO., LTD. , https://www.lerenspecialsteel.com