MECHANICAL-PROPERTY DATA AFC-77 STEEL. TEMPERED (1100F) SHEET

Abstract

AFC-77 is a relatively new hardenable high-strength stainless steel developed for service at temperatures ranging from subzero to 1000 F. Below a tempering temperature of 900 F, the primary strengthening mechanism depends on precipitation reactions; above 1000 F, a secondary hardening reaction occurs with the formation of intermetallic compounds. A 500 F temper produces good ductility for cold forming. For optimum machining, a 1400 F temper is recommended. For elevated-temperature service, the 1100 F temper is appropriate. Improved toughness is obtained when a 700 F tempering temperature is used. Good weld-joint efficiencies can be obtained using the semiautomatic inert-gas-shielded tungsten-electrode(TIG) process. The alloy is commercially available as bar and forging.

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Document Details

Document Type
Technical Report
Publication Date
Oct 01, 1966
Accession Number
AD0803545

Entities

Organizations

  • Battelle Memorial Institute

Tags

Communities of Interest

  • Weapons Technologies

DTIC Thesaurus Topics

  • Air Force
  • Air Force Facilities
  • Cold Working
  • Contracts
  • Engineering
  • Government (Foreign)
  • Governments
  • Materials
  • Materials Engineering
  • Materials Laboratories
  • Mechanical Properties
  • Mechanical Working
  • Stress Corrosion
  • Tensile Properties
  • Transition Temperature
  • Transverse
  • United States Government

Fields of Study

  • Materials science

Readers

  • Metallurgy
  • Powder metallurgy of Titanium alloys.