 |
Mechanical Alloys Specifications |
When selecting wire for mechanical
applications there are four classifications from which to choose
a specific material or alloy. They are: nickel based lockwires,
carbon steels, stainless steels and superalloys. A three-part
evaluation procedure is recommended: 1) initial screening based
on temperature and corrosion requirements; 2) analysis of
physical properties; and 3) final screening on the basis of
specific properties, material, and forming costs.
| Material |
Composition ( % ) |
Nom. Tensile Strength (psi) size
range: .002"-.032" |
| C |
Mn |
Si |
P |
S |
Cr |
Ni |
Fe |
Others |
| (max) |
(max) |
(max) |
(max) |
(max) |
|
|
|
|
Annealed |
Full Hard (spring) |
| #302 Stainless Steel |
.15 |
2 |
1 |
.045 |
.03 |
17-19 |
8-10 |
Bal. |
- |
105,000 to 145,000 |
300,000 to 360,000 |
| #304
Stainless Steel |
.08 |
2 |
1 |
.045 |
.03 |
18-20 |
8-12 |
Bal. |
- |
105,000 to 145,000 |
300,000 to 360,000 |
| #316 Stainless Steel |
.08 |
2 |
1 |
.045 |
.03 |
16-18 |
10-14 |
Bal. |
Mo 2-3 |
95,000 to 130,000 |
245,000 to 275,000 |
| #321
Stainless Steel |
.08 |
2 |
1 |
.045 |
.03 |
17-19 |
9-12 |
Bal. |
Ti 5xC min. |
110,000 to 150,000 |
225,000 to 275,000 |
| 17-7 PH |
.09 |
1 |
1 |
.04 |
.03 |
16-18 |
6.5-7.75 |
Bal. |
Al .75-1.5 |
- |
260,000 to 295,000 |
| Inconel*
600 |
.15 |
1 |
.5 |
- |
.015 |
14-17 |
72
min. |
6-10 |
Cu .5 max |
90,000 to 130,000 |
180,000 to 230,000 |
| Inconel*
X-750 |
.08 |
1.2 |
.5 |
- |
.01 |
14-17 |
70 min. |
5-9 |
Cu .5
max |
130,000 to
160,000 |
220,000 to
250,000 |
| Al . 4 - 1 |
| Ti 2.25-2.75 |
| Cb .7 - 1.2 |
| Monel*
400 |
.3 |
2 |
.5 |
- |
.024 |
- |
63-70 |
2.5 max |
Cu Bal. |
70,000 to 95,000 |
145,000 to 180,000 |
| Music Spring |
1 |
.6 |
.3 |
.025 |
.03 |
- |
- |
Bal. |
- |
- |
330,000 to 480,000 |
|
| *Registered
trademark of Inco family of companies |
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characteristics of these Mechanical Alloys |
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