TB8 Ti-15Mo-3Al-2.7Nb-0.25Si - GB /T 3621-2007

Grade	TB8
Other Names
Corresponding Standard	GB /T 3621-2007 Titanium and Titanium Alloy Plate and Sheet
Classification	Titanium and Titanium Alloys
Properties	Corrosion Resistance
Density	4.89 g/cm³

TB8 Chemical Element Composition Content (%)

Component	Fe	C	Si	Mo	N	Nb	Al	H	O	Other Individual	Other Total	More
Minimum Value	-	-	0.15	14	-	2.4	2.5	-	-	-	-	Ti:Remainder
Maximum Value	0.4	0.05	0.25	16	0.05	3.2	3.5	0.015	0.17	0.1	0.4	Ti:Remainder

"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.

TB8 Mechanical Properties

condition	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %
Hot-rolled, Cold-rolled Plates; 0.3≤t≤0.6	Solution State (ST)	825~1000	795~965	≥6
Hot-rolled, Cold-rolled Plates; 0.6<t≤2.5	Solution State (ST)	825~1000	795~965	≥8

TB8 Corresponding Standards(Same grade name, different standards)

1	GB /T 3621-2007
	TB8 Ti-15Mo-3Al-2.7Nb-0.25Si
2	GB /T 3620.1-2016
	TB8 Ti-15Mo-3Al-2.7Nb-0.25Si
3	GB /T 42159-2022
	TB8 Ti-15Mo-3Al-2.7Nb-0.25Si

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