B221 6005A - ASTM B221-2014

Grade	B221 6005A
Corresponding Standard	ASTM B221-2014 Standard Specification for Aluminum and Aluminum-Alloy Extruded Bars, Rods, Wire, Profiles, and Tubes
Classification	Aluminum and Aluminum Alloys

B221 6005A Chemical Element Composition Content (%)

Component	Fe	Si	Mn	Cr	Cu	Ti	Zn	Mg	Other Individual	Other Total	More
Minimum Value	-	-	0.4	-	-	-	-	0.4	-	-	Al:余量
Maximum Value	0.35	0.5	1	0.3	0.3	0.1	0.2	0.7	0.05	0.15	Al: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.

B221 6005A Mechanical Properties

condition	Heat Treatment or Condition	Tensile Strength σ_b ksi	Yield Point σ_s ksi	Elongation or Extension Rate δ %
t≤0.249	High Temperature Forming + Natural Aging (T1)	≥25	≥14.4	≥15
t≤0.249	High-Temperature Forming + Artificial Aging (T5)	≥38	≥31	≥7
0.250≤ t≤0.999	High-Temperature Forming + Artificial Aging (T5)	≥38	≥31	≥9
t≤0.249	solution heat-treated and then artifcially aged and stress relieved by stretching (T61)	≥38	≥35	≥8
0.250≤ t≤1.000	solution heat-treated and then artifcially aged and stress relieved by stretching (T61)	≥38	≥35	≥10

① Mechanical properties of extruded bars, rods, wires, sections, and tubes.
② t：Specified section or wall thickness, Unit in.
③ gauge length 2in. or 4×Diameter.

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