TC4 Ti-6Al-4V - GJB 391A-2015

Grade	TC4
Other Names
Corresponding Standard	GJB 391A-2015 Specification for Titanium Alloy Disc for Aerospace
Classification	Titanium and Titanium Alloys

TC4 Chemical Element Composition Content (%)

Component	Fe	C	N	V	Al	H	O ^*	Other Individual	Other Total	More
Minimum Value	-	-	-	3.5	5.5	-	-	-	-	Ti:余量
Maximum Value	0.3	0.08	0.05	4.5	6.75	0.015	0.15	0.1	0.4	Ti:余量

"Other individual elements or other totals": The chemical composition includes elements not specified in the table. Analysis should only be conducted if these elements are suspected to be present, or if routine analysis suggests that their content may exceed the prescribed limits.

TC4 Mechanical Properties

	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Reduction of Area ψ %	Hardness HBW	Impact Energy Absorption KV2 J
Low Oxygen	≥873	≥795	≥12	≥33	(10/3000) ≤321	≥31.4
High Oxygen	≥895	≥825	≥9	≥20	≤331	≥24

TC4 Corresponding Standards(Same grade name, different standards)

1	GB /T 3620.1-2007
	TC4 Ti-6Al-4V
2	GB /T 3621-2007
	TC4 Ti-6Al-4V
3	GB /T 3620.1-2016
	TC4 Ti-6Al-4V
4	GJB 391A-2015
	TC4 Ti-6Al-4V
5	GJB 2219-1994
	TC4 Ti-6Al-4V
6	GB /T 42159-2022
	TC4 Ti-6Al-4V

Note: The data is for reference only! If you have any questions, please fill out "I want to correct it"!