Alloy Steel Castings Table 2
| Table 2 - Minimum Tensile Properties
of Our Alloy Cast Steel |
| TYPE |
Heat Treatment |
Hardness HB |
Minimum Tensile Properties |
| |
|
|
Tensile Strength PSI |
Yield Strength PSI |
% Elongation in 2 Inches |
% Reduction in Area |
| Moly-Telastic |
Annealed or Normalized & Tempered |
160 (Minimum) |
80,000 |
45,000 |
23 |
35 |
| |
|
|
|
|
|
|
| Moly-Telastic |
Qenched & Tempered |
210-250 |
90,000 |
60,000 |
15 |
35 |
| 225-265 |
100,000 |
70,000 |
14 |
33 |
| 245-285 |
110,000 |
80,000 |
13 |
31 |
| 245-295@ |
115,000 |
85,000 |
12 |
29 |
| 265-305@ |
118,000 |
90,000 |
11 |
28 |
| 270-310@ |
120,000 |
95,000 |
11 |
28 |
| 285-325@ |
130,000 |
100,000 |
10 |
26 |
| 300-340@ |
135,000 |
110,000 |
9 |
23 |
| |
|
|
|
|
|
|
| No.1 Gearalloy |
Normalized & Tempered |
210-250 |
90,000 |
60,000 |
15 |
35 |
| 225-265 |
100,000 |
70,000 |
15 |
33 |
| 245-285 |
110,000 |
80,000 |
13 |
31 |
| 255-295 |
115,000 |
85,000 |
12 |
29 |
| 265-305 |
118,000 |
90,000 |
11 |
28 |
| |
|
|
|
|
|
|
| No.1 Gearalloy |
Quenched & Tempered |
245-285** |
110,000 |
80,000 |
13 |
31 |
| 255-295** |
115,000 |
85,000 |
12 |
29 |
| 265-305** |
118,000 |
90,000 |
11 |
28 |
| 270-310 |
120,000 |
95,000 |
11 |
28 |
| 285-325 |
130,000 |
100,000 |
10 |
26 |
| 300-340 |
135,000 |
110,000 |
9 |
24 |
| 310-350 |
140,000 |
115,000 |
9 |
23 |
| 335-375 |
150,000 |
125,000 |
8 |
20 |
| |
|
|
|
|
|
|
| No. 2 # Gearalloy |
Water Quenched & Tempered |
210-250 |
90,000 |
60,000 |
20 |
45 |
| 225-265 |
100,000 |
70,000 |
20 |
45 |
| 245-285 |
110,000 |
80,000 |
18 |
42 |
| |
|
|
|
|
|
|
| No. 3 Gearalloy |
Normalized & Tempered |
245-285 |
110,000 |
80,000 |
13 |
31 |
| 255-295 |
115,000 |
85,000 |
12 |
29 |
| 265-305 |
118,000 |
90,000 |
11 |
28 |
| 285-325 |
130,000 |
100,000 |
10 |
26 |
| |
|
|
|
|
|
|
| No. 3 Gearalloy |
Quenched & Tempered |
265-305** |
118,000 |
90,000 |
11 |
28 |
| 270-310** |
120,000 |
95,000 |
11 |
27 |
| 285-325** |
130,000 |
100,000 |
10 |
26 |
| 300-340 |
135,000 |
110,000 |
9 |
23 |
| 310-350 |
140,000 |
115,000 |
9 |
22 |
| 335-375 |
150,000 |
125,000 |
8 |
20 |
| 350-390 |
157,000 |
130,000 |
7 |
16 |
| 360-400 |
160,000 |
135,000 |
6 |
12 |
| 375-415 |
170,000 |
140,000 |
5 |
10 |
| 390-430 |
175,000 |
145,000 |
5 |
10 |
| 400-445 |
180,000 |
150,000 |
5 |
10 |
| |
|
|
|
|
|
|
| No. 4 Gearalloy |
Normalized & Tempered |
265-305 |
118,000 |
90,000 |
9 |
22 |
| 285-325 |
130,000 |
100,000 |
8 |
18 |
| 300-340 |
135,000 |
110,000 |
6 |
15 |
| |
|
|
|
|
|
|
| No. 4 Gearalloy |
Oil Quenched & Tempered |
310-350 |
140,000 |
115,000 |
9 |
22 |
| 335-375 |
150,000 |
125,000 |
8 |
20 |
| 350-390 |
157,000 |
130,000 |
6 |
12 |
| 360-400 |
160,000 |
135,000 |
6 |
12 |
| 375-415 |
170,000 |
140,000 |
5 |
10 |
| 390-430 |
175,000 |
145,000 |
5 |
10 |
| |
|
|
|
|
|
|
| No. 6 Gearalloy |
Normalized & Tempered |
300-340 |
135,000 |
110,000 |
6 |
15 |
| 310-350 |
140,000 |
115,000 |
5 |
13 |
| 325-365 |
145,000 |
120,000 |
4 |
9 |
| |
| @ Rough machine before heat treating.
|
| ** This hardness can also be obtained
by normalizing and tempering. |
| # Unless carburized hardened,
No. 2 Gearalloy is for through hardened impact applications
and not for gearing or wear applications. |
|
|
