125
.d,
<VQ
d
V
d'
d
,..
~l~Nn
3 «(;IV)
fJUlfflJ'U(;IV1NfHl'\JV~lmlflflrnfll~'UmjTinlJ~ l LLi\:::I'Hlflflrn~HYlJ
(mechanical propcrties -
of pl ain carbon and alloy stee ls)
dUV1~ffV'Uii'\JU1(;llffU~1I!WJflrnnh:::lJl(l1
25
mm_)
Tensile
Yie ld
Elongat.
Reduction
Mach inability(
AISI
Hardness ,
Condition
Strcngth,
Strength,
In 2 in. ,
In Area,
Based on I I
12
Type
BHN
ksi
ksi
%
%
=
100)
-
1095
HR
142
83
18
38
295
A
95
38
13
21
192
N
147
73
10
14
293
111 8
HR
75
50
35
55
140
CD
85
75
25
55
170
80
A
65
41
35
67
131
80
N
69
46
34
66
143
80
2330
CD
105
90
20
50
212
50
A
86
61
28
58
179
50
N
100
68
26
56
207
3140
CD
107
92
17
50
212
55
A
100
61
25
51
197
55
N
129
87
20
58
262
-
41 30
HRA
86
56
29
57
183
65
CDA
98
87
21
52
201
70
N
97
63
26
60
197
50
4140
HRA
90
63
27
58
187
57
CDA
102
90
18
50
223
66
N
148
95
18
47
30 1
4340
HRA
101
69
21
45
207
45
CDA
110
99
16
42
223
50
N
185
126
I I
41
363
4620
HR
85
63
28
64
183
58
CD
101
85
22
60
207
64
A
74
54
31
60
149
55