Steels_ Metallurgy and Applications, Third Edition

228 Steels: Metallurgy and Applications 9 As-rolled, as-rolled and softened, and micro-alloyed C and CMn steels (Section 2). 9 ...

Engineering steels 229 Table 3.6 Grade C% 420S29 0.14-0.2 420S37 0.2-0.28 431S29 0.12-0.2 304S 15 0.06 max. 310S31 0.15 max. Cr% ...

Table 3.7 Comparison of steel grades spec@ed in BS EN 10083-1: 1991, IS0 683-1 and other steel grades previously standardized na ...

34Cr4 34 CrS 4 37 Cr 4 37 crs 4 41 Cr4 41 CrS 4 25 CrMo 4 25 CrMoS 4 34 CrMo 4 34 CrMoS 4 42 CrMo 4 42 CrMoS 4 50 CrMo 4 36 CrNi ...

232 Steels: Metallurgy and Applications Table 3.8 Reference Tensile strength symbol (N/mm 2) P 550-700 Q 625-775 R 700-850 S 775 ...

Table 3.9 Guide to the selection of category 1 through hardening steels Heat Tensile HBrange Ruling Section treatment strength c ...

Table 3.9 (conrinued) ~~ ~~ ~ ~ Heat Tensile HB range Ruling Section treatment strength condition range >13 mm >19 mm > ...

Engineering steels 235 (^0) r r~ o. 800- 700 6OO 50O 400 3OO 200 100 e~ i I I l! 0 i 0 0 0 d ~ Z 7- I ! i i I I,... .... I, 0 0 ...

236 Steels: Metallurgy and Applications Following a brief description of machinability testing, the role of free cutting additiv ...

Engineering steels 237 A =,., O 0 k- ..J , , i ,, , ,,, , , 10g V (cutting speed) Figure 3.24 Taylor tool life curve Figure 3.25 ...

238 Steels: Metallurgy and Applications 200 150 A E 50 tD L.-^100 r e-- Ii I I I 1.0 2.0 3.0 Area MnS (%) Figure 3.26 Effect of ...

Engineering steels 239 Due to its high density, major precautions have to be taken in the production of leaded steels in order t ...

240 Steels: Metallurgy and Applications which are formed in engineering steels due to the practice of adding aluminium as a deox ...

Engineering steels 241 160 140 ~^120 IO0 90 1 O0 110 120 130 140 HV30 Figure 3.28 Effect of hardness on machinability (After Wan ...

242 Steels: Metallurgy and Applications Whereas silicate inclusions impair the machinability of low-carbon free cutting steels, ...

Engineering steels 243 by modern steelmaking practices, such as arc-AOD, which produce low levels of sulphur, e.g. often less th ...

Table 3.10 Seamless steel gas containers to BS 5045: Part I: 1982 Material code Carbon steels C-Mn steels Cr-Mo Ni-Cr-Mo alloy s ...

Engineering steels 245 Table 3.11 Welded steel gas containers to BS 5045: Part 2:1989 Chemical and physical properties Carbon % ...

246 Steels: Metallurgy and Applications Figure 3.30 The production of seamless steel gas cylinders (After Irani 18) where fe is ...

Engineering steels 247 manufacturing defects which were present at the inner surface of the cylinder, close to the highly stress ...