Alloy Steel

Alloy Steel 2017-02-16T21:21:10+00:00

Mechanical Property | Alloy Steel

Average Physical Properties of Alloy Steel

AISI Condition of Bar Steel Tensile
Strength
psi
Yield
Strength
psi
Elongation
in 2 in., %
Reduction
in 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.