B861 Grade 3 R50550 - ASTM B861-2019

Grade	B861 Grade 3
USA UNS	R50550
Corresponding Standard	ASTM B861-2019 Titanium and Titanium Alloy Seamless Pipe
Classification	Titanium and Titanium Alloys

B861 Grade 3 Chemical Element Composition Content (%)

Component	Fe	C	N	H	O	Other Individual	Other Total
Minimum Value	-	-	-	-	-	-	-
Maximum Value	0.3	0.08	0.05	0.015	0.35	0.1	0.4

"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.

B861 Grade 3 Mechanical Properties

Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %
≥450	380~550	≥18

*Properties for annealed condition except as noted.

Approximate Comparison Table Processing Titanium and Titanium Alloys

China	United States		International Organization for Standardization	Germany
GB	ASTM	UNS	ISO	DIN EN/DIN	W-Nr.
TA3	Grade 3	R50550	Grade 3(Ti≥99.14)	Ti4(Ti≥99.23)	3.7065

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