Shock absorber piston is made by powder pressing and sintering (Powder Metallurgy) technology.
We will do black steam oxidation and cover the outer diameter with PTFE film.
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 | D8 | N | H1 | H2 | H3 | H4 | h | A1 | D01 | D02 | D03 | D04 | D05 | D06 | D07 | D08 |
DW357 | PT1 | 36.2 | 35.9 | 10 | 27.5 | 24.5 | 2.5 | 6 | 14 | 8 | 9.2 | 0.025 | 13 | 20 | 21.6 | 13 | 20 | 21.6 | 28 | 29.6 | ||
DW607 | PT2 | 35.7 | 34 | 8 | 28 | 20.5 | 2.1 | 6 | 18 | 7 | 8 | 5.5 | 0.025 | 11 | 18 | 19.2 | 18 | 19.2 | 26.3 | 27.5 | ||
DW303 | PT1 | 35.1 | 35 | 10 | 29.5 | 25.5 | 2.8 | 8 | 14.12 | 8.7 | 11 | 13 | 22.8 | 24 | 22.6 | 23.8 | 31 | 32.2 | ||||
DW082-11 | PT1 | 30.1 | 30 | 8 | 24 | 20 | 1.7 | 6 | 14 | 7 | 10 | 18 | 19 | 18 | 19 | 26.5 | 27.9 | |||||
DW206-1 | PT1 | 30.05 | 29.92 | 8 | 24.5 | 21.2 | 2.4 | 6 | 14 | 8 | 10 |
http://www.dewin-powdermetallurgy.com/