Condition #1: A structural support for a machine is subjected to a static compression load of 20 kN. The support is manufactured from a circular rod made from SAE 1040 Hot Rolled steel. Specify suitable diameter for the cross section of the rod based on the basic size. Steel data are available in Table A-10 from the textbook. A-10 Typical properties of carbon and alloy steels. Ulimate strength, Yield strength, Percent Material SAB no Condition ksi MPa Asi MP elongation 1020 Annealed 57 393 43 296 36 1020 Hot rolled Cold drawn 65 448 48 331 36 1020 75 $17 64 441 20 1040 Annealed 75 317 51 352 414 30 1040 Hot rolled Cold drawo 90 621 60 82 25 1040 97 669 S65 16 WQT 700 WQT 900 WOT I100 WQT 1300 1040 127 876 93 90 80 641 19 1040 118 814 621 22 1040 1040 107 738 600 552 24 32 87 63 434 1080 Anneuled 89 614 54 372 25 OQT 700 OQT 900 OQT 100 OQT LM0 1080 189 179 1303 141 129 972 12 1080 1234 889 13 1080 145 1000 103 710 17 1080 117 807 70 483 23 1141 1141 Anncaled 87 600 772 1331 1007 352 26 Cold drawn OQT 700 OOT 900 OQT H00 OQT 1300 112 95 655 14 1141 193 172 129 97 1186 146 116 1141 889 669 469 15 20 141 800 1141 94 648 68 28 4140 Annealed 95 655 1593 60 414 26 OQT 700 OOT 900 OQT 1100 OQT IMO 4140 231 212 173 1462 12 4140 187 1289 1193 15 4140 147 1014 131 903 18 4140 18 814 101 696 23 5160 Aanealed 105 263 724 40 276 17 OQT 700 OQT 900 OQT I100 OQT 1300 5160 1813 238 1641 5160 1351 1027 196 179 1234 12 5160 149 132 910 17 5160 115 793 103 710 23 Other properties ae approximately the same for all carbon and alloy sinela Modulus of elasticity in tension 30 000 000 psi (2077 CP Modulus of elasicity ini shear11 500 000 pi (0 CGPa. Density 02 thinC680 kghm') OQT meins oll quenched and tempered, WOT means water qunched.and tempered
Condition #1: A structural support for a machine is subjected to a static compression load of 20 kN. The support is manufactured from a circular rod made from SAE 1040 Hot Rolled steel. Specify suitable diameter for the cross section of the rod based on the basic size. Steel data are available in Table A-10 from the textbook. A-10 Typical properties of carbon and alloy steels. Ulimate strength, Yield strength, Percent Material SAB no Condition ksi MPa Asi MP elongation 1020 Annealed 57 393 43 296 36 1020 Hot rolled Cold drawn 65 448 48 331 36 1020 75 $17 64 441 20 1040 Annealed 75 317 51 352 414 30 1040 Hot rolled Cold drawo 90 621 60 82 25 1040 97 669 S65 16 WQT 700 WQT 900 WOT I100 WQT 1300 1040 127 876 93 90 80 641 19 1040 118 814 621 22 1040 1040 107 738 600 552 24 32 87 63 434 1080 Anneuled 89 614 54 372 25 OQT 700 OQT 900 OQT 100 OQT LM0 1080 189 179 1303 141 129 972 12 1080 1234 889 13 1080 145 1000 103 710 17 1080 117 807 70 483 23 1141 1141 Anncaled 87 600 772 1331 1007 352 26 Cold drawn OQT 700 OOT 900 OQT H00 OQT 1300 112 95 655 14 1141 193 172 129 97 1186 146 116 1141 889 669 469 15 20 141 800 1141 94 648 68 28 4140 Annealed 95 655 1593 60 414 26 OQT 700 OOT 900 OQT 1100 OQT IMO 4140 231 212 173 1462 12 4140 187 1289 1193 15 4140 147 1014 131 903 18 4140 18 814 101 696 23 5160 Aanealed 105 263 724 40 276 17 OQT 700 OQT 900 OQT I100 OQT 1300 5160 1813 238 1641 5160 1351 1027 196 179 1234 12 5160 149 132 910 17 5160 115 793 103 710 23 Other properties ae approximately the same for all carbon and alloy sinela Modulus of elasticity in tension 30 000 000 psi (2077 CP Modulus of elasicity ini shear11 500 000 pi (0 CGPa. Density 02 thinC680 kghm') OQT meins oll quenched and tempered, WOT means water qunched.and tempered
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
Related questions
Question
![A
E E E E X
1 E E - E E E
GD
1 I 2 3 4 I 5
Condition #1: A structural support for a machine is subjected
to a static compression load of 20 kN. The support is
manufactured from a circular rod made from SAE 1040 Hot
Rolled steel. Specify suitable diameter for the cross section
of the rod based on the basic size. Steel data are available
in Table A-10 from the textbook.
A-10 Typical properties of carbon and alloy steels.
Ultimate strength, s
Yield strength, s,
Percent
Material SAE no.
Condition
ksi
MPa
ksi
MPa
elongation
1020
Annealed
57
65
393
448
517
43
296
36
1020
Hot rolled
48
331
36
1020
Cold drawn
75
64
441
20
1040
Annealed
75
517
51
352
30
1040
Hot rolled
90
621
60
414
25
1040
Cold drawn
WQT 700
WQT 900
WOT I 100
WOT 1300
97
669
82
565
16
1040
127
118
876
93
641
621
19
1040
814
90
22
1040
107
738
80
552
24
1040
87
600
63
434
32
1080
Annealed
89
614
54
372
25
1O80
OQT 700
OQT 900
OQT 1100
OQT L00
189
1303
972
141
129
12
1080
179
1234
889
13
1080
145
1000
103
710
17
1080
117
807
70
483
23
1141
Annealed
87
600
772
51
352
26
1141
1141
Cold drawn
12
95
655
14
OQT 700
OOT 900
OQT IH00
OQT 1300
193
1331
172
1186
1141
146
1007
800
129
97
889
15
1141
116
669
20
1141
94
648
68
469
28
4140
Annealed
OQT 700
OQT 900
95
655
60
414
26
4140
231
1593
212
1462
12
4140
187
1289
173
1193
15
4140
OQT I100
OQT IM00
147
1014
131
903
18
4140
118
814
101
696
23
5160
Annealed
J05
724
40
276
17
OQT 700
OQT 900 196
OQT LI00
OQT 1300
5160
263
1813
238
1641
6.
5160
1351
179
1234
12
5160
149
1027
132
910
17
5160
115
793
103
710
23
Other properties are approximutely the same for all carbon and alloy steels
Modulus of elasticity in tension= 30 000 000 psi (207 GP)
Modulus of elasticity in shear 11 S00 000 psi (80 GPa).
Density 0.283 Ih in. (7680 kg/m).
OQT means oil quenched and tempered. WQT means water quenched and tempered.
a
hp](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F73c58d95-079a-4627-95fb-0f4ef74e7a7f%2F68cd65eb-05f3-4114-9ded-2e38909484ed%2Fdzq7nl5_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A
E E E E X
1 E E - E E E
GD
1 I 2 3 4 I 5
Condition #1: A structural support for a machine is subjected
to a static compression load of 20 kN. The support is
manufactured from a circular rod made from SAE 1040 Hot
Rolled steel. Specify suitable diameter for the cross section
of the rod based on the basic size. Steel data are available
in Table A-10 from the textbook.
A-10 Typical properties of carbon and alloy steels.
Ultimate strength, s
Yield strength, s,
Percent
Material SAE no.
Condition
ksi
MPa
ksi
MPa
elongation
1020
Annealed
57
65
393
448
517
43
296
36
1020
Hot rolled
48
331
36
1020
Cold drawn
75
64
441
20
1040
Annealed
75
517
51
352
30
1040
Hot rolled
90
621
60
414
25
1040
Cold drawn
WQT 700
WQT 900
WOT I 100
WOT 1300
97
669
82
565
16
1040
127
118
876
93
641
621
19
1040
814
90
22
1040
107
738
80
552
24
1040
87
600
63
434
32
1080
Annealed
89
614
54
372
25
1O80
OQT 700
OQT 900
OQT 1100
OQT L00
189
1303
972
141
129
12
1080
179
1234
889
13
1080
145
1000
103
710
17
1080
117
807
70
483
23
1141
Annealed
87
600
772
51
352
26
1141
1141
Cold drawn
12
95
655
14
OQT 700
OOT 900
OQT IH00
OQT 1300
193
1331
172
1186
1141
146
1007
800
129
97
889
15
1141
116
669
20
1141
94
648
68
469
28
4140
Annealed
OQT 700
OQT 900
95
655
60
414
26
4140
231
1593
212
1462
12
4140
187
1289
173
1193
15
4140
OQT I100
OQT IM00
147
1014
131
903
18
4140
118
814
101
696
23
5160
Annealed
J05
724
40
276
17
OQT 700
OQT 900 196
OQT LI00
OQT 1300
5160
263
1813
238
1641
6.
5160
1351
179
1234
12
5160
149
1027
132
910
17
5160
115
793
103
710
23
Other properties are approximutely the same for all carbon and alloy steels
Modulus of elasticity in tension= 30 000 000 psi (207 GP)
Modulus of elasticity in shear 11 S00 000 psi (80 GPa).
Density 0.283 Ih in. (7680 kg/m).
OQT means oil quenched and tempered. WQT means water quenched and tempered.
a
hp
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