Patent · US Expired

Low grade material axle shaft

US4820357A · kind A · utility

2Cited by
2References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 10, 1988
Grant dateApr 11, 1989
Priority date
Expiry dateMar 10, 2008

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC21D8/06
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

A new SAE 1541M alloy steel composition consisting essentially of 0.40-0.48% carbon, 1.35-1.61% maganese, 0.16-0.30% silicon, 0-0.23% chromium and the balance iron and other materials not affecting hardenability of the steel, especially adapted for forming axle shafts in the 1.70-2.05" diameter range to be used as drive axles with an axle load carrying capacity between 30,000 and 44,000 pounds.

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