MATERIALS FOR OIL IMPREGNATED BEARINGS
MATERIALS |
DENSITY(g/cm³) |
APPLICATIONS |
CHARACTERISTICS |
Cu-Sn |
6.0-6.8 |
Micro motors |
Precise mini components |
Cu-Sn-C |
6.8-7.5 |
Audio Equipment |
Pb(C) enhance shaft/Bearing lubrication |
Cu · Sn · MoS₂ |
6.4-7.2 |
Office equipment |
Solid Lubricants, durable materials |
Fe 係 |
5.8-7.0 |
Home appliances Customer electronics |
Medium & High load |
MATERIALS FOR STRUCTURAL PARTS
MATERIALS |
DENSITY(g/cm³) |
HARDNESS(HRB) |
T.S(kg/mm²) | CHARACTERISTICS |
Fe |
6.2 - 7.0 |
10 – 50 |
10 – 25 | Pure lron |
Fe · Cu |
6.2 - 7.0 |
20 – 60 |
10 – 35 | Copper-alloy steel |
Fe · Cu · C |
6.2 - 7.0 |
30 – 70 |
20 – 60 | Copper-carbon steel |
Fe · Cu · C · Ni |
6.6 - 7.0 |
40 – 65 |
30 – 45 | Nickel-alloy steel |
Fe · Cu · C · Ni · Mo |
7.0 - 7.4 |
60 - 100 |
60 - 75 | Alloyed steel |
SOFT MAGNETIC PROPERTIES OF SINTERED MATERIAL
MATERIALS |
B (C) |
Br (C) |
Hc (Oe) |
PERMEABILITY |
APPLICATIONS |
Permalloy |
6,000 |
1,000 |
0.9 |
7400 |
Yokes |
13,000 |
8,000 |
0.4 |
1,000 |
Solenoid, Yokes |
|
STS430 |
11,000 |
7,500 |
1.4 |
3,000 |
Solenoids |
GRADES OF TUNGSTEN HEAVY ALLOY
GRADE |
CS90 |
CS92.5 |
CS95 | CS97 |
Composition[wt%] |
90W |
92.5W |
95W | 97W |
Density[g/cm³] |
16.8 ~ 17.2 |
17.3 ~ 17.7 |
17.8 ~ 18.2 | 18.3 ~ 18.5 |
Hardness[HRC] |
25 ~ 34 |
27~ 35 |
28~ 36 | 30~ 37 |
Tensile Strength[N/mm²] |
~ 1000 |
~ 950 |
~ 800 | ~ 700 |
Electrical Conductivity[%IACS] |
10 ~ 15 |
13 ~ 15 |
13 ~ 16 | 14 ~ 17 |
Coefficient of Thermal Expansion[x 10⁴ K] |
4.6 ~ 5.4 |
4.4 ~ 4.6 |
4.4 ~ 4.6 | 4.4 ~ 4.5 |
Elongation[%] |
~ 20 |
~ 10 |
~ 7 | ~ 5 |
