Product Details
Shock absorber base valve is made by powder pressing and sintering (Powder Metallurgy) technology,
then do black steam oxidation as per surface treatment.
Technical information:
1. Material: MPIF 35 FC - 0205
Equivalent material: DIN 30910 - Sint C10
2. Chemical composition
| Designation |
Fe |
Cu |
C |
| FC - 0205 |
Balance |
1.5-3.9% |
0.3-0.6% |
3. Hardness range: HRB 40 – 100 Before black oxidation (around 50 HRB)
After black oxidation (around 85 HRB)
4. Density range: 6.3-6.9 g/cm³
5. Possible tolerance for ID: 0.03 mm, for OD: 0.05 mm
6. General tolerance: ISO 2768 – m
7. Degree of oxidation: 2-5%, thickness 0.003-0.005 mm Fe3O4

| Code |
Type |
D1 |
D2 |
D3 |
D4 |
D5 |
D6 |
D7 |
D8 |
N |
H1 |
H2 |
H3 |
H4 |
H5 |
H6 |
H7 |
h |
A1 |
D01 |
D02 |
D03 |
D04 |
D05 |
D06 |
D07 |
D08 |
| DW466 |
BV2 |
55 |
50 |
5 |
33 |
27 |
43 |
|
2.5 |
6 |
13 |
3.5 |
8 |
6 |
|
|
|
0.03 |
30 |
|
|
|
|
|
|
|
|
| DW342 |
BV1 |
35 |
30.8 |
16 |
21 |
19 |
28 |
|
|
|
15 |
7.3 |
4.3 |
4 |
|
|
|
|
30 |
|
|
|
|
|
|
|
|
| DW566 |
BV1 |
27.5 |
23.8 |
18 |
|
19 |
|
22 |
20 |
|
9.5 |
4.5 |
2.2 |
2 |
|
|
|
|
|
|
|
|
|
|
|
|
|
| DW461-1 |
BV2 |
27.4 |
25 |
6 |
20.8 |
18 |
25.4 |
|
1 |
3 |
11.5 |
4 |
4.4 |
1.8 |
|
|
|
0.2 |
26 |
9.1 |
16 |
17.9 |
9.7 |
14.5 |
17.9 |
21 |
23 |
| DW463 |
BV2 |
32.7 |
30 |
6 |
27 |
21 |
28.5 |
|
2 |
6 |
12.5 |
3.5 |
5.4 |
2.5 |
|
|
|
0.4 |
20 |
9.5 |
18 |
20.5 |
11 |
18.5 |
20.5 |
25.5 |
|
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