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7075-T73a, T73510, T73511 Extrusion (rod, bars, and shapes): MIL-HDBK-5J Design Allowables

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Material class	Aluminum
Alloy / temper / form	7075 / T73a, T73510, T73511 / Extrusion (rod, bars, and shapes)
Specifications	AMS-QQ-A-200/11
Handbook	MIL-HDBK-5J, 31 January 2003, section 3.7.6.0, Table 3.7.6.0(g) (pdf page 386 of the chapter file)
Dimension bands	7
Density	2796 kg/m³

Design Mechanical and Physical Properties (room temperature)

Converted from the handbook table (ksi, Msi, lb/in³) and rounded to 4 significant figures; dimension bands in inches with mm in parentheses. Bases: A and B are statistical minimums (99 % and 90 % probability at 95 % confidence), S the specification minimum. Grain directions: L longitudinal, LT long transverse, ST short transverse.

Dimension band		0.062–0.249 in (1.575–6.325 mm), area 0–20 in2 (0–12900 mm²)		0.250–0.499 in (6.35–12.67 mm), area 0–25 in2 (0–16130 mm²)		0.500–0.749 in (12.7–19.02 mm), area 0–25 in2 (0–16130 mm²)		0.750–1.499 in (19.05–38.07 mm), area 0–25 in2 (0–16130 mm²)		1.500–2.999 in (38.1–76.17 mm), area 0–25 in2 (0–16130 mm²)		3.000–4.499 in (76.2–114.3 mm), area 0–20 in2 (0–12900 mm²)		3.000–4.499 in (76.2–114.3 mm), area 0–32 in2 (0–20650 mm²)
Specification		AMS-QQ-A-200/11		AMS-QQ-A-200/11		AMS-QQ-A-200/11		AMS-QQ-A-200/11		AMS-QQ-A-200/11		AMS-QQ-A-200/11		AMS-QQ-A-200/11
Basis		A	B	A	B	A	B	A	B	A	B	A	B	A	B
F_tu, MPa	L	468.8	496.4	482.6	510.2	482.6	503.3	482.6	503.3	475.7	510.2	468.8	489.5	448.2	482.6
F_tu, MPa	LT	455.1	482.6	468.8	496.4	461.9	482.6	455.1	475.7	427.5	461.9	399.9	420.6	386.1	413.7
F_ty, MPa	L	399.9	420.6	413.7	434.4	413.7	434.4	413.7	434.4	406.8	448.2	393	427.5	379.2	413.7
F_ty, MPa	LT	386.1	406.8	393	413.7	393	413.7	386.1	399.9	351.6	386.1	317.2	344.7	303.4	330.9
F_cy, MPa	L	399.9	420.6	413.7	434.4	413.7	434.4	413.7	434.4	406.8	448.2	393	427.5	379.2	413.7
F_cy, MPa	LT	406.8	427.5	413.7	434.4	413.7	434.4	399.9	420.6	372.3	406.8	337.8	365.4	324.1	351.6
F_bru (e/D = 1.5), MPa	L	696.4	737.7	717.1	758.4	710.2	744.6	710.2	737.7	682.6	730.8	655	682.6	627.4	675.7
F_bru (e/D = 1.5), MPa	LT	696.4	737.7	717.1	758.4	710.2	744.6	710.2	737.7	682.6	730.8	655	682.6	627.4	675.7
F_bru (e/D = 2.0), MPa	L	889.4	944.6	917	972.2	917	958.4	910.1	951.5	882.5	951.5	854.9	896.3	820.5	882.5
F_bru (e/D = 2.0), MPa	LT	889.4	944.6	917	972.2	917	958.4	910.1	951.5	882.5	951.5	854.9	896.3	820.5	882.5
F_bry (e/D = 1.5), MPa	L	565.4	592.9	579.2	613.6	579.2	606.7	572.3	599.8	544.7	599.8	496.4	544.7	482.6	524
F_bry (e/D = 1.5), MPa	LT	565.4	592.9	579.2	613.6	579.2	606.7	572.3	599.8	544.7	599.8	496.4	544.7	482.6	524
F_bry (e/D = 2.0), MPa	L	668.8	703.3	689.5	723.9	689.5	723.9	675.7	710.2	641.2	710.2	592.9	648.1	572.3	627.4
F_bry (e/D = 2.0), MPa	LT	668.8	703.3	689.5	723.9	689.5	723.9	675.7	710.2	641.2	710.2	592.9	648.1	572.3	627.4
e, %	L	7	…	8	8	8	8	8	…	8	8	7	7	7	…
e, %	LT	…	…	…	…	…	…	…	…	…	…	…	…	…	…
E, GPa		71.71	71.71	71.71	71.71	71.71	71.71	71.71	71.71	71.71	71.71	71.71	71.71	71.71	71.71
E_c, GPa		73.77	73.77	73.77	73.77	73.77	73.77	73.77	73.77	73.77	73.77	73.77	73.77	73.77	73.77
G, GPa		27.58	27.58	27.58	27.58	27.58	27.58	27.58	27.58	27.58	27.58	27.58	27.58	27.58	27.58
ν		0.33	0.33	0.33	0.33	0.33	0.33	0.33	0.33	0.33	0.33	0.33	0.33	0.33	0.33
ρ, kg/m³		2796	2796	2796	2796	2796	2796	2796	2796	2796	2796	2796	2796	2796	2796

Effect of Temperature

Percent of the room-temperature value against temperature, digitized from the handbook figures (the shortest exposure of each figure, every 10 °F). Strength curves give the allowable at temperature; "after exposure" curves give the room-temperature property after a soak at that temperature.

Moduli at temperature

Other 7075 Tables

7075-T6 Clad sheet (Table 3.7.6.0(c))
7075-T6 Die forging (Table 3.7.6.0(e))
7075-T6 Hand forging (Table 3.7.6.0(f))
7075-T6 and T62 Clad sheet (Table 3.7.6.0(c))
7075-T6 and T62 Sheet (Table 3.7.6.0(b))
7075-T6, T651, and T62 Bar, rod, and shapes: rolled, drawn, or cold-finished (Table 3.7.6.0(d))
7075-T6, T6510, T6511, and T62 Extrusion (rod, bar, and shapes) (Table 3.7.6.0(g))
7075-T62 Clad plate (Table 3.7.6.0(c))
7075-T62 Plate (Table 3.7.6.0(b))
7075-T651 Clad plate (Table 3.7.6.0(c))
7075-T651 Plate (Table 3.7.6.0(b))
7075-T652 Die forging (Table 3.7.6.0(e))
7075-T652 Hand forging (Table 3.7.6.0(f))
7075-T73 Hand forging (Table 3.7.6.0(f))
7075-T73 Sheet (Table 3.7.6.0(b))
7075-T7351 Plate (Table 3.7.6.0(b))
7075-T7352 Die forging (Table 3.7.6.0(e))
7075-T7352 Hand forging (Table 3.7.6.0(f))
7075-T73a,b Die forging (Table 3.7.6.0(e))
7075-T73b or T7351 Bar, rod, and shapes: rolled, drawn, or cold-finished (Table 3.7.6.0(d))
7075-T76 Clad sheet (Table 3.7.6.0(c))
7075-T76 Sheet and plate (Table 3.7.6.0(b))
7075-T76, T76510, T76511 Extrusion (rod, bar, and shapes) (Table 3.7.6.0(g))
7075-T7651 Clad plate (Table 3.7.6.0(c))
7075-T7651 Sheet and plate (Table 3.7.6.0(b))

Source and Use

U.S. Department of Defense (2003). Metallic Materials and Elements for Aerospace Vehicle Structures. MIL-HDBK-5J, 31 January 2003 (public domain). The values are the handbook's design allowables as extracted from the chapter tables; check the printed table before use in a certified analysis, and note that MIL-HDBK-5J was superseded by MMPDS, whose later editions may differ. No warranty is given.