Table 7.2.1.0: (b). Design Mechanical and Physical Properties of Beryllium Bar, Rod, Tubing, and Mechanical Shapes · MIL-HDBK-5J

Specification	AMS 7906
Form	Bar, rod, tubing, and machined shapes
Condition	Hot pressed (ground and etched)
Thickness or diameter, in.
Basis	S
Mechanical Properties:
F_tu, ksi:
L	47
LT	47
F_ty, ksi:
L	35
LT	35
F_cy, ksi:
L
LT
F_su, ksi:
F_bru, ksi:
(e/D = 1.5)
(e/D = 2.0)
F_bry, ksi:
(e/D = 1.5)
(e/D = 2.0)
e, percent:
L	2
LT	2
E_t, 10³ ksi	42
E_c, 10³ ksi	42
G, 10³ ksi	20
μ	0.10
Physical Properties:
ω, lb/in.³	0.067
C, K, and α	See Figure 7.2.1.0

MIL-HDBK-5J

Specification	AMS 7902
Form	Sheet		Plate
Condition	Stress relieved (ground and etched)
Thickness or diameter, in.	0.020-0.250	0.251-0.450	0.451-0.600	≥0.601
Basis	S	S	S	S
Mechanical Properties:
F_tu, ksi:
L	70	65	60	40
LT	70	65	60	40
F_ty, ksi:
L	50	45	40	30
LT	50	45	40	30
F_cy, ksi:
L
LT
F_su, ksi
Fbru, ksi:
(e/D = 1.5)
(e/D = 2.0)
Fbry, ksi:
(e/D = 1.5)
(e/D = 2.0)
e, percent:
L	10	4	3	1
LT	10	4	3	1
E, 10³ ksi	42.5
E, 10³ ksi	42.5
G, 10³ ksi	20.0
μ	0.10 (L and LT)
Physical Properties:
ω, lb/in.³	0.067
C, K, and a	See Figure 7.2.1.0