GJB 765A-2008
Specification for ring blanks of high-density tungsten-based alloys for gyrorotor (English Version)

Standard No.

GJB 765A-2008

Language

Chinese, Available in English version

Release Date

2008

Published By

Military Standard of the People's Republic of China-Commission of Science,Technology and Industry for National Defence

Latest

GJB 765A-2008

Scope

This specification stipulates the requirements, quality assurance regulations and delivery preparations for tungsten-based high-density alloy ring blanks for gyro rotors. This specification applies to tungsten-based high-density alloy ring blanks for gyro rotors used in aviation, spaceflight, and ships.

GJB 765A-2008 Referenced Document

• GB/T 16600 Methods for emission spectrum analysis of tungsten
• GB/T 230.1 Metallic materials.Rockwell hardness test.Part 1:Test method*， 2018-05-14 Update
• GB/T 231.1 Metallic materials—Brinell hardness test—Part 1: Test method*， 2018-05-14 Update
• GB/T 3458 Tungsten Powder
• GB/T 3850 Impermeable sintered metal materials and hardmetals.Determination of density*， 2015-12-10 Update
• GB/T 4324.12 Methods for chemical analysis of tungsten.Part 12:Determination of silicon content.Chlorization-molybdenum blue spectrophotometry*， 2012-12-31 Update
• GB/T 4324.6 Methods for chemical analysis of tungsten.Part 6:Determination of iron content.1,10-phenanthroline spectrophotometry*， 2012-12-31 Update
• GB/T 4339 Test methods for thermal expansion characteristic parameters of metallic materials*， 2008-10-10 Update
• GB/T 5166 Determination of elastic modulus of sintered metal materials and cemented carbide*， 2023-08-06 Update
• GB/T 5246 Electrolytic copper powder*， 2023-08-06 Update
• GB/T 7963 Sintered metal materials, excluding hardmetals.Tensile test pieces*， 2015-12-10 Update
• GB/T 7964 Sintered metal materials( excluding hardmetal )—Tension testing at room temperature*， 2020-03-06 Update
• GB/T 8653 Metallic materials--Determination of Young's modulus, chord modulus, tangent modulus and Poisson's ratio (statical method)
• GJB 1076 Ultrasonic flaw detection method of tungsten-based high-density alloy rods for armor-piercing projectiles
• GJB 1078 Nickel powder for tungsten-based high-density alloy armor-piercing projectiles

GJB 765A-2008 history

• 2008 GJB 765A-2008 Specification for ring blanks of high-density tungsten-based alloys for gyrorotor
• 1989 GJB 765-1989 Tungsten-based high-density alloy ring blank for gyro rotor