Table 2.5.3.0: (a). Material Specification for AerMet

MIL-HDBK-5J, Metallic Materials and Elements for Aerospace Vehicle Structures

Last Updated 29 Oct 2026

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100 Steel

Specification	Form
AMS 6532	Bar and forging
AMS 6478	Bar and forging

2.5.3.1 280-300 ksi Heat-Treated Condition — Typical stress-strain curves at room temperature are shown in Figures 2.5.3.1.6(a) and (b). A full-range tensile stress-strain curve is presented in Figure 2.5.3.1.6(c).

2.5.3.0 (b). Design Mechanical and Physical Properties of AerMet 100 Steel Bar

Specification	AMS 6532		AMS 6478
Form	Bar and forging
Condition	Solution treated and aged
Cross-sectional area, in.²	≤ 100
Thickness or diameter, in.	≤ 10.000
Basis	A	B	S
Mechanical Properties:
F_u, ksi:
L	275	284	290
LT^a	280	284	290
ST^a	280^b		290
F_y, ksi:
L	235	247	245
LT^a	235	246	245
ST^a	235^b		245
F_cy, ksi:
L	262	276	281
ST^a	263	277	279
F_su ksi	174	177	182
F_bru, ksi:
(e/D = 1.5)	432	440	448
(e/D = 2.0)	569	579	581
F_bry, ksi:
(e/D = 1.5)	361	380	378
(e/D = 2.0)	411	432	442
e, percent: (S-basis)
L	10		10
LT^a	8		8
ST^a	8		8
RA, percent: (S-basis)
L	55		50
LT^a	45^d		35
ST^a	45		35
E, 10³ ksi		28.0
E_c, 10³ ksi		28.1
G, 10³ ksi
μ		0.305
Physical Properties:
ω, lb/in.³		0.285
C, K, and α

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