Steels_ Metallurgy and Applications, Third Edition

68 Steels: Metallurgy and Applications The details of the chemistry and the processing that must be used, however, depend on the ...

Low-carbon strip steels 69 higher strength may be obtained by alloying with phosphorus, manganese or silicon to provide solid so ...

70 Steals: Metallurgy and Applications on cooling. Detailed studies x2~ showed that a minimum cooling rate from 850~ greater tha ...

Low-carbon strip steels 71 the steel with an Nb/C ratio of 0.7 increases its bake-hardening effect up to an annealing temperatur ...

72 Steels: Metallurgy and Applications A 50 40 30 20 10 / ./ Solid solution-hardened (IF Steel) " TRIP _ / ".~?S~p~r~H~SS~_..j~. ...

Low-carbon strip steels 73 2.0 '1.5 | ,~1.0 0.5 ,, , , , , ,| ,, , , ,,, , , Cr ~,~ o 0.4 ",.X 4 , I ,.I .... I ' ' ' 10 100 100 ...

74 Steels: Metallurgy and Applications The chemical composition of the steel has a marked influence on the prop- erties develope ...

Low-carbon strip steels 75 .:_ ............. _.. , ~ : ................ I ~ I 2.5wt% Mn I I / /%.17wt%c i ~ i '~~ s' I ,ooo ,o-- ...

76 Steels: Metallurgy and Applications 500 CL tO ~4o~ P. C:: 300 200 9 0 wt% Cr ~' m 0.1 wt% Cr ,"~ // 9 o,~l 0.,4," ~p .y~'"1 ...

Low-carbon strip steels 77 would be insufficient to develop the necessary structures. At the top annealing temperature, the two- ...

78 Steels: Metallurgy and Applications c (a) Steel B a~ 0.30 .......... m 020 ~0.10~--0 400~ -- u. A 375 ~ / 9 350 ~ 0 / I 1. I ...

Low-carbon strip steels 79 900 O. r 600 c ,=- 300 m 9 r " I " 9 / " "1 ' I - -1 1 mln 0.1 C-1.2 Si-1.5 Mn Transformed at 400~ ...

80 Steels: Metallurgy and Applications When the austenite retained at room temperature is deformed, for example during forming, ...

Low-carbon strip steels 81 15 c 10 c i 5 i,, , , ,, , , , , , I 0 ~"~ t = 480 s ~.~. ~'"'-o t = 60 s t=lOs | ,, i I i i I 10 20 ...

82 Steels: Metallurgy and Applications 35 30 ILl^25 2o lOOO a. ~-- 9oo I-- 800 ft.^500 0. >" 400 ..... i ~ ...... |' - I 9 - ...

Low-carbon strip steels 83 7 A E ~6 ._== ~= 4 .O 9 ~ =i 3 1000 9 - ...... , ; -. ' ,~ ....... 9 ...... ,. , ,, 300 ~ Tempedng ...

84 Steels: Metallurgy and Applications important to achieve good bendability whereas avoiding the carbides that would be formed ...

Low-carbon strip steels 85 however, able to give a strength above 1200 N/mm 2 but with a lower elongation. Other work, 146 as a ...

86 Steels: Metallurgy and Applications t iHeat Accumulator Itreatment fum~ ie ~,J Sh= cor Shears Uncoiler [Entry S Jon] PassivaU ...

Low-carbon strip steels 87 The HDG process is also used to produce galvanneal strip in which the plain zinc coating of the tradi ...