Machinery's Handbook, 31st Edition
428
Mechanical Properties of Stainless Steels Table 12. Nominal Mechanical Properties of Standard Stainless Steels
Table 12. (Continued) Nominal Mechanical Properties of Standard Stainless Steels
Ultimate Tensile Strength (psi)
0.2 Percent Yield Strength (psi)
Elonga tion in 2 in. (%)
Reduc tion of Area (%)
Hardness
Rock well BHN
Grade
Condition
Martensitic Steels (Continued)
414
Annealed Hardened c Tempered at 400 ° F
120,000
95,000
17
55 22 RC 235
…
… … … 44RC 426
200,000 190,000 200,000 145,000 120,000 95,000
150,000 145,000 150,000 120,000 105,000 50,000
15 15 16 20 20 25
55 43 RC 415 55 41 RC 400 58 43 RC 415 60 34 RC 325 65 24 RC 260 55 92 RB 195
600 ° F 800 ° F 1000 ° F 1200 ° F
420, 420F
Annealed Hardened d Tempered at 600 ° F Annealed Hardened d Tempered at 400 ° F
…
… … … 54RC 540
230,000 125,000
195,000 95,000
8
25 50 RC 500 60 24 RC 260
431
20
…
… … … 45RC 440
205,000 195,000 205,000 150,000 125,000 105,000
155,000 150,000 155,000 130,000 95,000 60,000
15 15 15 18 20 20
55 43 RC 415 55 41 RC 400 60 43 RC 415 60 34 RC 325 60 24 RC 260 45 95 RB 215
600 ° F 800 ° F 1000 ° F 1200 ° F
440A
Annealed Hardened d Tempered Annealed Hardened d Tempered Annealed Hardened d Tempered Annealed Annealed Annealed Annealed Annealed Annealed
…
… … … 56RC 570
260,000 107,000
240,000 62,000
5
20 51 RC 510 35 96 RB 220
600 ° F
440B
18
…
… … … 58RC 590
280,000 110,000
270,000 65,000
3
15 55 RC 555 25 97 RB 230
600 ° F
440C, 440F
13
…
… … … 60RC 610
285,000 70,000 70,000 70,000 75,000 80,000 80,000
275,000 30,000
2
10 57 RC 580
600 ° F
501 502 405 430
28 30 30 30 25 23
65
… 160
30,000
75 80 RB 150
Ferritic Steels
40,000 45,000 55,000 50,000
60 80 RB 150 60 82 RB 155 60 86 RB 170 50 86 RB 170
430F, 430FSe
446
a Minimum. b Depending on size and amount of cold reduction. c Hardening temperature 1800°F (982°C), 1-inch-diameter bars. d Hardening temperature 1900°F (1038°C), 1-inch-diameter bars. Source: Metals Handbook , 8th edition, Volume 1.
Copyright 2020, Industrial Press, Inc.
ebooks.industrialpress.com
Made with FlippingBook - Share PDF online