GJB 494A-2008
Specification for titanium alloy bars for aeroengine compressor blade (English Version)

Standard No.

GJB 494A-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 494A-2008

Replace

GJB 493-1988 GJB 494-1988

Scope

This specification specifies the requirements, quality assurance regulations, delivery preparations, etc. for TC4 and TC11 titanium alloy bars for aeroengine compressor blades. This specification applies to TC4 and TC11 titanium alloy rods with a diameter not greater than 70 mm for forging aeroengine compressor blades.

GJB 494A-2008 Referenced Document

• GB/T 2039 Metallic materials.Uniaxial creep testing method in tension *， 2012-06-29 Update
• GB/T 228-2002 Metallic materials--Tensile testing at ambient temperature
• GB/T 229 Metallic materials—Charpy pendulum impact test method*， 2020-09-29 Update
• GB/T 231.1 Metallic materials—Brinell hardness test—Part 1: Test method*， 2018-05-14 Update
• GB/T 3620.1 Designation and composition of titanium and titanium alloys*， 2016-12-30 Update
• GB/T 3620.2 Allowable Deviation of Chemical Composition of Titanium and Titanium Alloy Processed Products*， 2023-08-06 Update
• GB/T 4338-2006 Metallic materials.Tensile testing at elevated temperature
• GB/T 4698.1 Methods for chemical analysis of titanium sponge, titanium and titanium alloys—Part 1：Determination of copper content—Flame atomic absorption spectrometry*， 2017-09-29 Update
• GB/T 4698.10 Methods for chemical analysis of titanium sponge, titanium and titanium alloys—Part 10：Determination of chromium content—Ammonium ferrous sulfate titration and inductively coupled plasma atomic emission spectrometry（with vanadium）*， 2020-03-06 Update
• GB/T 4698.11 Sponge titanium, titanium and titanium alloys--Determination of chromium content in the absence of Vanadium--Ammonium ferrous sulfate titration method
• GB/T 4698.12 Methods for chemical analysis of titanium sponge, titanium and titanium alloys—Part 12：Determination of vanadium content—Ammonium ferrous sulfate titration and inductively coupled plasma atomic emission spectrometry*， 2017-09-29 Update
• GB/T 4698.13 Methods for chemical analysis of titanium sponge,titanium and titanium alloys—Part 13：Determination of zirconium content—EDTA complexometric titration and inductively coupled plasma atomic emission spectrometry*， 2017-09-29 Update
• GB/T 4698.14 Methods for chemical analysis of titanium sponge, titanium and titanium alloys.Determination of carbon content*， 2011-05-12 Update
• GB/T 4698.15 Methods for chemical analysis of titanium sponge, titanium and titanium alloys.Determination of hydrogen content*， 2011-05-12 Update
• GB/T 4698.16 Sponge titanium, titanium and titanium alloys--Determination of oxygen content--Inert gas fusion coulometric method
• GB/T 4698.17 Methods for chemical analysis of titanium sponge, titanium and titanium alloys—Part 17:Determination of magnesium content—Flame atomic absorption spectrometry*， 2019-06-04 Update
• GB/T 4698.18 Methods for chemical analysis of titanium sponge, titanium and titanium alloys—Part 18：Determination of tin content—Flame atomic absorption spectrometry*， 2017-09-29 Update
• GB/T 4698.19 Methods for chemical analysis of titanium sponge, titanium and titanium alloys—Part 19：Determination of molybdenum content—Thiocyanate-differential spectrophotometry*， 2017-09-29 Update
• GB/T 4698.2 Methods for chemical analysis of titanium sponge, titanium and titanium alloys.Determination of iron content*， 2011-05-12 Update
• GB/T 4698.20 Sponge titanium, titanium and titanium alloys--Determination of manganese content--Potassium periodate spectrophotometric method
• GB/T 4698.21 Methods for chemical analysis of titanium sponge, titanium and titanium alloys—Part 21: Determination of manganese, chromium, nickel, aluminum, molybdenum, tin, vanadium, yttrium, copper and zirconium content—Atomic emission spectrometry*， 2019-06-04 Update
• GB/T 4698.22 Methods for chemical analysis of titanium sponge ,titanium and titanium alloys—Part 22：Determination of niobium content—5-Br-PADAP spectrophotometry and inductively coupled plasma atomic emission spectrometry*， 2017-09-29 Update
• GB/T 4698.23 Methods for chemical analysis of titanium sponge，titanium and titanium alloys—Part 23：Determination of palladium content—Stannous choride-potassium iodide spectrophotometry and inductively coupled plasma atomic emission spectrometry*， 2017-09-29 Update
• GB/T 4698.24 Methods for chemical analysis of titanium sponge, titanium and titanium alloys—Part 24：Determination of nickel content—Dimethylglyoxime spectrophotometry and inductively coupled plasma atomic emission spectrometry*， 2017-09-29 Update
• GB/T 4698.25 Methods for chemical analysis of titanium sponge, titanium and titanium alloys—Part 25：Determination of chlorine content—Silver chlorin spectrophotometry*， 2017-09-29 Update
• GB/T 4698.27 Methods for chemical analysis of titanium sponge, titanium and titanium alloys—Part 27：Determination of neodymium content—Inductively coupled plasma atomic emission spectrometry*， 2017-09-29 Update
• GB/T 4698.28 Methods for chemical analysis of titanium sponge, titanium and titanium alloys—Part 28：Determination of ruthenium content—Inductively coupled plasma atomic emission spectrometry*， 2017-09-29 Update
• GB/T 4698.3 Methods for chemical analysis of titanium sponge, titanium and titanium alloys—Part 3：Determination of silicon content—Molybdenum blue spectrophotometry*， 2017-09-29 Update
• GB/T 4698.4 Methods for chemical analysis of titanium sponge,titanium and titanium alloys.Part 4:Determination of manganese content.Potassium periodate spectrophotometry and inductively coupled plasma atomic emission spectrometry*， 2017-09-29 Update
• GB/T 4698.5 Methods for chemical analysis of titanium sponge, titanium and titanium alloys—Part 5：Determination of molybdenum content—Thiocyanate spectrophotometry and inductively coupled plasma atomic emission spectrometry*， 2017-09-29 Update
• GB/T 4698.6 Methods for chemical analysis of titanium sponge,titanium and titanium alloys—Part 6:Determination of boron content—Methylene blue spectrophotometry and inductively coupled plasma atomic emission spectrometry*， 2019-10-18 Update
• GB/T 4698.7 Methods for chemical analysis of titanium sponge, titanium and titanium alloys.Determination of oxygen and nitrogen content*， 2011-05-12 Update
• GB/T 4698.8 Methods for chemical analysis of titanium sponge, titanium and titanium alloys—Part 8：Determination of aluminum content—Separation with sodium hydroxide-EDTA complex-metric titration and inductively coupled plasma atomic emission spectrometry*， 2017-09-29 Update
• GB/T 4698.9 Methods for chemical analysis of titanium sponge,titanium and titanium alloys—Part 9：Determination of tin content—Potassium iodate titration and inductively coupled plasma atomic emission spectrometry*， 2017-09-29 Update
• GB/T 5168 Microstructure and macrostructure examination for titanium and titanium alloys*， 2020-03-06 Update
• GB/T 8180 Packaging, marking, transportation and storage of titanium and titanium alloy processed products*， 2023-08-06 Update
• GJB 9712 Qualification and certification of non-destructive testing personnel
• JB/T 10061-1999 Commonly used specification for A-mode ultrasonic flaw detector using pulse echo technique

GJB 494A-2008 history

• 2008 GJB 494A-2008 Specification for titanium alloy bars for aeroengine compressor blade
• 1988 GJB 494-1988 TC11 titanium alloy rods for aircraft engine compressor blades

GJB 494A-2008 Specification for titanium alloy bars for aeroengine compressor blade has been changed from GJB 493-1988 TC4 titanium alloy rods for aircraft engine compressor blades.

GJB 494A-2008 Specification for titanium alloy bars for aeroengine compressor blade has been changed from GJB 494-1988 TC11 titanium alloy rods for aircraft engine compressor blades.