Title:
【発明の名称】機械加工性改善用補助粉末および補助粉末を含む鉄または鋼の粉末
Document Type and Number:
Japanese Patent JPH05507118
Kind Code:
A
Abstract:
A machinability improving and/or wear-resistance improving supplementary powder for an iron- or steel-based powder for use in powder-metallurgical production of blanks consists of MnS and Te or a Te-compound and/or Se or an Se-compound. For the supplementary powder, an iron or steel powder containing the same and a blank which is powder-metallurgically produced from the iron or steel powder, the weight ratio between MnS and Te should be in the range of 10-2000, the weight ratio between MnS and Se should be in the range of 10-1000, and, when both Te and Se are used, the limiting values of this range should be doubled.
Inventors:
Engdal, Pell
Matson, Parson
Spasic, dragan
Matson, Parson
Spasic, dragan
Application Number:
JP50705591A
Publication Date:
October 14, 1993
Filing Date:
March 18, 1991
Export Citation:
Assignee:
Hoganus Activola Get
International Classes:
C22C33/02; B22F1/00; (IPC1-7): B22F1/00; C22C33/02
Attorney, Agent or Firm:
Akira Asamura (3 outside)