A320 Mechanical Properties

Grade Diameter Tensile,
ksi, min
Yield,
ksi, min
Charpy Impact
20-ft-lbf
@ temp
Elong,
%, min
RA, %, min
L7 Up to 212 125 105 -150° F 16 50
L43 Up to 4 125 105 -150° F 16 50
Class 1: B8, B8C, B8M, B8P, B8F, B8T, B8LN, B8MLN All 75 30 N/A 30 50
Class 1A: B8A, B8CA, B8MA, B8PA, B8FA, B8TA, B8LNA, B8MLNA All 75 30 N/A 30 50
Class 2: B8, B8C, B8P, B8F, B8T Up to 34 125 100 N/A 12 35
78 - 1 115 80 N/A 15 35
118 - 114 105 65 N/A 20 35
138 - 112 100 50 N/A 28 45
Class 2: B8M Up to 34 110 95 N/A 15 45
78 - 1 100 80 N/A 20 45
118 - 114 95 65 N/A 25 45
138 - 112 90 50 N/A 30 45