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Shape Schematic Size
Axial Vertical
Square

 

30<W<100；15<L<80；20<H<60
100≤W≤240；30<L<240； 30<H<60
240<W<300；40<L<120；30<H<60

 
Disk

 

6≤D<8；20<H<32
8≤D<9.5；20<H<36
9.5≤D<32；20<H<44
32≤D<250；22<H<60

 

8≤D<17；20<H<32
17≤D<90，22<H<60
Ring

 

18≤D<32；20<H<35
32≤D<250；20<H<45

 

20≤D≤60，
8≤(D-d）/2<15，
25≤H≤40
Arc

 

35≤W≤50；
15≤T≤40；
30≤H≤45;

 

35≤W≤50;15≤T≤30;24≤H≤45
35≤W≤100;25≤T≤40;30≤H≤80

 

Size Allowable deviation of sintered surface

Allowable deviation of working surface
Perpendicular to the pressing direction Direction of suppression Flat grinding Internal and external round grinding Wire cutting slice
≤10 ±0.25 ±0.30 ±0.04 ±0.05 ±0.06 ±0.05
10~20 ±0.40 ±0.45 ±0.05 ±0.05 ±0.08 ±0.08
20~50 ±0.60 ±0.70 ±0.06 ±0.05 ±0.10 ±0.10
50~80 ±1.00 ±1.10 ±0.08 ±0.05 ±0.10 ±0.10
80~150 ±1.00 ±1.10 ±1.15   ±0.15  

 

Variation type Variation type Basic size（mm） Deviation
Parallelism Working surface room

One half of the tolerance value

between the two planes
Verticality Between sintered surfaces Random 90°±1°
Between machined surface and sintered surface 90°±1°
Working surface room 90°±0.15°
Concentricity Between sintered surfaces Outer diameter ≤14 ±0.35mm
14~24 ±0.60mm
24~40 ±0.80mm
40~60 ±1.100mm
60~80 ±1.150mm
80~180 ±2.00mm
Working surface room Random ±0.08mm

Surface treatment Plating code Color Thickness SST Temp. & Humi. High-pressure accelerated aging test
(Unsaturated mode)		 Use Temp.
Blue and white zinc Zn.L Blue and white 4-15μm ≥24h / / ≤160℃
Color zinc Zn.C Colourful 4-15μm ≥48h / / ≤160℃
Nickel copper nickel(barrel plating) NiCuNi Silver 5-20μm ≥48h 500h 48h ≤200℃
Nickel copper nickel (hang plating) NiCuNi Silver 5-20μm ≥24h 500h 48h ≤200℃
Nickel Copper Nickel + Tin NiCuNi+Sn Silver white 5-20μm ≥72h 500h 96h ≤200℃
Nickel+tin Ni+Sn Silver white 5-20μm ≥72h 500h 96h ≤200℃
Nickel+silver Ni+Ag Silver 5-20μm ≥72h 72h 96h ≤160℃
Nickel+gold Ni+Au Golden 5-20μm ≥72h 500h 96h ≤200℃
Nickel + chemical nickel (hang plating) Ni+Ap.Ni Silver 3-20μm ≥24h 500h 48h ≤200℃
Nickel + chemical nickel (barrel plating) Ni+Ap.Ni Silver 3-20μm ≥72h 500h 48h ≤200℃
Epoxy Epoxy Black, grey 10-30μm ≥72h 72h 200h ≤160℃
Nickel copper + epoxy NiCu+Epoxy Black, grey 20-40μm ≥500h 500h 200h ≤160℃
Aluminum PVD.Al Silver white 2-15μm ≥100h 500h 200h ≤400℃
Aluminum + epoxy PVD.Al+Epoxy black, grey 15-30μm ≥200h 500h 200h ≤160℃
Parylene Parylene Colorless and transparent 20-50 ≥220h 500h 48h ≤120℃
Note: The corrosion resistance of different products depends on the actual shape;

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