Cylindrical member made of flake graphite cast iron
US10428407B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Sep 5, 2016 |
| Grant date | Oct 1, 2019 |
| Priority date | — |
| Expiry date | Jun 9, 2037 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16J10/00
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Provided is a cylindrical member made of flake graphite cast iron that has practical processability as well as excellent mechanical strength and further is excellent in abrasion resistance and seizing resistance. Specifically, provided is a cylindrical member made of flake graphite cast iron, the flake graphite cast iron including a composition containing, in terms of mass %, 2.85% or more and 3.35% or less of C, 1.95% or more and 2.55% or less of Si, 0.45% or more and 0.8% or less of Mn, 0.03% or more and 0.25% or less of P, 0.15% or less of S, 0.15% or more and 0.55% or less of Cr, 0.15% or more and 0.65% or less of Mo, 0.15% or more and 0.65% or less of Ni, and the balance of Fe and inevitable impurities.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.