Steels_ Metallurgy and Applications, Third Edition

344 Steels: Metallurgy and Applications

100

A

o

2 50

r

p-^2

f

f

G~

I,,. I I I

0 0.5 1.0 1.5

Log o -~

Figure 4.27 True stress-true strain in 18% Ni base steels with different chromium levels

(After Llewellyn and Murray 2s)

140

120

04 .-.^100

r-

N 80

e-

,-. 60

.~ 4o

e- |

~ 20

301

201

347

r~o2

(^304 321

10

0

80

o~

,- 60

.g

t..-^40

_o

uJ

2O

-- 1" 301

J 302

304

,~ } 321

316

-347 ~."~~,~=

310~

0 10 20 30 40 50 60 70 80

Reduction (%)

Figure 4.28 Effect of coM rolling on the tensile strength and elongation of austenitic
stainless steels (After Llewellyn and Murray 2s)