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.sdbrightsteelbar.com