Patent · US Expired

Maraging steel

US6080359A · kind A · utility

10Cited by
0References
24Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJan 13, 1999
Grant dateJun 27, 2000
Priority date
Expiry dateJan 13, 2019

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC21D8/0236
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

A maraging steel preferably without cobalt, having the following chemical composition: Ni 18-23 wt. %, Mo 4.5-8 wt. %, Ti 1-2 wt. %, Al 0-0.3 wt. %, C.ltoreq.0.01 wt. %, remainder Fe and impurities. The composition also preferably satisfies the following conditions: PA1 Ni+Mo=23-27 wt. %, inclusively; PA1 Ni+3.times.Mo+20.times.Ti+10.times.Al.gtoreq.60 wt. %.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.