Steels_ Metallurgy and Applications, Third Edition

360 Steels: Metallurgy and Applications

20

10

0

t-lO

(^0) o
v =e -20
~ -30
E
-40
~-50
._~ c -6o
-70
-80
-90|
-60
(a)
-10
-2O
o o
v =e -40
~ -so
E
-60
r
=e 7oi
e-
.~ -8o'
a o
6 mm
4 mm
<2mm
-50 -40 -30 -20 -10 0 10
Material impact test temperature (~
_ J J
20
3 mm
4 mm
,=2mm
mm
8 mm
-100
-110
(b) -60 -50 -40 -30 -20 -10 0 10 20
Material impact test temperature (~
Figure 4.37 Relationship between minimum operating temperature and impact test
temperature for various thicknesses of ferritic steels: (a)as-welded condition;
(b) post-weld heat-treated condition (From Annex D, BS 5500: 1997)