CHROME HONED TUBE

(Inside surface honed and outside surface chrome)

1. ID: 20-460 mm    
2. OD: 30-500mm
3. Length: Max 13m
4. Steel grade: St52, St52.3, CK45, 4140, 16Mn, 20#, 40Cr, Stainless Steel, etc.
5. Straightness: 0.2~0.4 /1000
6. Tolerance: DIN 2391, ISO H8
7. Roughness(Ra): 0.2 to 0.4µ
8. Chrome thickness: 20~ 50 Micron
9. Type：cold drawing, normalizing treatment, honing or skiving, chrome outside surface.
10. Conservation: Anti rust oiled coating on the inside and outside of the surface, plastic caps at both ends
11. Package: Wooden Case