Steels_ Metallurgy and Applications, Third Edition

Low-carbon strip steels 65

1.8

| 1.6

~>

,.E 1.4

1.2

zo

,•e

eP

\ oSi

','~_ Bin

\ ",, "~_ A0.04 wt% P-Si

"', ~ ~H:).04 V~~ P - Mn

9 ~r ,, "&qP.,..-..A ..

, .o

g

,,-I,

35 1

500

~. A o

~4oo

.qt'~t 300

,, , , , ,, ,

~. 3oo o

ffl

200 ~,

0'.5' ilo" ' l lS 21o

SI + Mn + 10 P (w t%)

Figure 1.69 Variation of the mechanical properties of ultra-low-carbon continuously
annealed niobium-bearing steel with [Si] + [Mn] + IO[P] (After Ohashi et al. ll2)

,g::

,..r^100

|

=[ 5O

i o

, , , ,,,, , , , , 9

I /

I ...... l , i _

0.5 1,0 1.5

Alloy content (~%)

Figure 1.70 Variation of tensile strength of ultra-low-carbon titanium-bearing steel with

solid solution elements (After Katoh et al. Ill)