Average Physical Properties of Alloy Steels
Average Physical Properties of Alloy Steels |
ALLOY STEELS |
AISI
Number |
Condition of Bar
Steel |
Tensile
Strength
P.S.I. |
Yeild
P.S.I. |
%
Elongation
in 2" |
%
Reduction
of Area |
Brinell
Hardness |
Rockwell
Hardness |
Machinability
% of
B1112
CD |
4142*
|
Hot Rolled Annealed
Cold Drawn Annealed
Heat Treated C.D.
1" Round Oil Quenched 1550° F., Tempered 1000° F
2" Round Oil Quenched 1550° F., Tempered 1000° F
3" Round Oil Quenched 1550° F., Tempered 1000° F
|
90/100,000
110/120,000
140/155,000
150/160,000
145/155,000
130/145,000
|
60/70,000
85/95,000
125/140,000
130/140,000
125/135,000
115/125,000
|
20/30
15/25
12/20
15/20
15/20
15/20
|
50/60
45/55
45/55
50/60
50/60
55/65
|
185/210
230/250
270/300
320/350
320/345
280/310
|
91/95B
20/25C
26/30C
34/37C
33/36C
28/32C
|
55
65
45
|
4147-50*
|
Hot Rolled Annealed
1" Round Oil Quenched 1525° F., Tempered 1000° F
3" Round Oil Quenched 1525° F., Tempered 1000° F
4" Round Oil Quenched 1525° F., Tempered 1000° F
5" Round Oil Quenched 1525° F., Tempered 1000° F |
90/105,000
170/180,000
150/160,000
140/150,000
135/150,000
|
65/75,000
145/155,000
130/140,000
120/130,000
115/125,000
|
20/30
15/20
15/20
15/20
15/22
|
50/60
50/60
50/60
50/60
52/62
|
185/215
350/375
325/350
300/330
295/320
|
92/96B
37/39C
34/37C
31/35C
30/34C
|
52
|
E.T.D.® |
Elevated Temperature Drawing |
150,000 Min. |
130,000 Min. |
10/20 |
30/45 |
302 Min. |
32C Min. |
|
E.T.D.® |
Elevated Temperature Drawing |
180,000 Min. |
165,000 Min. |
5/10 |
20/40 |
363 Min. |
38C Min. |
|
4340
|
Hot Rolled Annealed
2" Round Oil Quenched 1550° F., Tempered 1000° F
3" Round Oil Quenched 1550° F., Tempered 1000° F
4" Round Oil Quenched 1550° F., Tempered 1000° F
5" Round Oil Quenched 1550° F., Tempered 1000° F
6" Round Oil Quenched 1550° F., Tempered 1000° F |
100/120,000
175/190,000
170/180,000
160/170,000
145/160,000
140/150,000
|
70/90,000
155/170,000
140/155,000
135/145,000
125/135,000
120/130.000
|
15/25
12/18
12/20
12/20
10/15
10/15
|
40/50
48/55
45/50
40/50
40/50
40/50
|
220/250
370/400
350/375
330/360
300/330
240/320
|
20/25C
38/42C
36/39C
35/31C
31/36C
30/35C
|
45
|
4615
|
Natural Hot Rolled as Rolled
Cold Drawn
1" Round Carburized 1700° F.: Cool in box:
Reheat 1525° F., Oil Quenched-Core Properties |
75/85,000
90/100,000
110/125,000 |
53/63,000
75/85,000
80/100,000 |
25/35
15/22
18/23 |
58/68
50/60
50/60 |
145/180
190/215
220/250 |
80/87B
91/96B
20/24C |
50
55
|
4620
|
Natural Hot Rolled as Rolled
1" Round Corburized 1700° F.: Cool in box:
Reheat 1525° F., Oil Quenched-Core Properties |
80/110,000
115/130,000 |
60/75,000
80/100,000 |
20/30
15/25 |
50/60
45/55 |
180/220
240/270 |
24/30C |
50
|
4815
|
Natural Hot Rolled as Rolled
1" Round Carburized 1700° F.: Cool in box:
Reheat 1525° F., Oil Quenched-Core Properties |
100/110,000
140/160.000 |
65/75,000
120/140,000 |
20/30
14/18 |
50/60
45/55 |
210/230
300/340 |
95/99B
33/38C |
50
|
E52100
|
Hot Rolled Annealed
1" Round Oil Quenched 1500° F., Tempered 1000° F |
100/110,000
180/195,000 |
75/85,000
65/180,000 |
20/25
10/15 |
50/60
35/45 |
210/235
375/415 |
40/43C |
45
|
6150
|
Hot Rolled Annealed
1" Round Oil Quenched 1575° F., Tempered 1000° F |
95/110,000
170/185,000 |
75/85,000
150/160,000 |
20/30
12/17 |
50/60
45/55 |
200/230
360/390 |
14/21C
38/41C |
50
|
8620*
|
Natural Hot Rolled
Cold Drawn
1" Round Carburized 1700° F.: Cool in box:
Reheat 1550° F., Oil Quenched—Core Properties |
80/95,000
90/105,000
120/135,000 |
55/65,000
65/80,000
90/110.000 |
18/25
15/25
15/20 |
45/60
40/50
40/50 |
160/200
185/215
285/350 |
85/95B
90/96B
28/40C |
55
60/70
|
8642
|
Natural Hot Rolled
Hot Rolled Heat Treated
Cold Drawn Annealed
1' Round Oil Quenched 1550° F,, Tempered 1000° F
2' Round Oil Quenched 1550° F., Tempered 1000° F |
90/120,000
125,000 Min.
100/110,000
150/160,000
130/145,000 |
50/70,000
105,000 Min.
90/100,000
130/140,000
105/115,000 |
15/25
16 Min.
13/20
15/20
15/20 |
35/50
50 Min.
40/50
50/55
50/60 |
210/260
260/320
195/220
325/345
285/310 |
17/27C
26/33
93/98B
34/37C
29/32C |
50/55
45/50
65
|
8645
|
Natural Hot Rolled
Annealed Hot Rolled
2" Round Oil Quenched 1550° F., Tempered 1000° F
3" Round Oil Quenched 1550° F., Tempered 1000° F |
105/125.000
100/110,000
140/150,000
130/140,000 |
55/75,000
50/60,000
110/125,000
105/115,000 |
15/25
20/25
15/20
15/20 |
35/50
40/55
45/55
50/60 |
220/270
210/230
300/320
285/310 |
20/28C
17/21C
30/34C
29/32C |
48/55
54
|
8742
|
Natural Hot Rolled
Cold Drawn Annealed
1" Round Oil Quenched 1550° F., Tempered 1000° F
2" Round Oil Quenched 1550° F., Tempered 1000° F |
110/125,000
105/120,000
155/165,000
135/145,000 |
50/70,000
95/105,000
135/145,000
110/120,000 |
15/25
10/18
15/20
15/20 |
35/50
35/45
45/52
50/60 |
230/270
210/235
330/355
290/320 |
22/28C
95/99B
35/38C
30/33C |
45/55
60
|
*With the addition of .15/.35 per cent Lead to these alloys, mechanical properties are not appreciably affected.
Machinability, however, is improved approximately 25 per cent.
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