Tensile strength (MPa)

Elongation (%)

Skin

50

75

Kevlar

3000

3

Rubber

30

600

Silicone

5.5

530

Crystal

403

0

Ceramics

241

0

Brass

530

5

Steel 316 L

620

51

Cobalt

820

18

Bronze

700

11

Titanium (Grade 2)

2490

26

Spider web

600

270