high temperature resist and no oil leak shock pistons of different
Physical performance for shock pistons
More than 15MPa
elongation @ break
More than 200%
shore hardness (bands)
57 - 61
2.15 – 2.19 g/cm3
Less than 50mg
Less than 0.3
hardness (sinter piston)
Filled PTFE banded piston, shock absorber pistons, PTFE piston ring
can stand 10,000,000 cycles fatigue test
Nether OD: 31.94-31.98mm
Upper OD: 32.12-32.22mm
Banded height: 10mm
Density of sinter piston: 6.5g/cm3
Steam treatment, hardness HRB80-110
Material: Multi-level powdered metal components on iron, stainless
and copper base.
Using area for powder metallurgy parts:
Major products are used in automobile and motorcycles parts,
structure components, hand tool machine parts, food machine parts,
office machine parts, sewing machine parts, farming machine and
stainless parts, oil pumps parts, rotors, gears, oil impregnated
bearing, various lock ware and other hardware supplies.
Xia Yi company product suspension pistons, shock absorber pistons
and other sintered parts from shock absorbers. The products include
rod guider, piston, valve seat and other powder metallurgy parts.
We can offer our suspension pistons with aggressive pricing,
superior design and engineering, excellent quality and unparalleled
service and delivery.
Process of the piston banding
1. POWDER BLENDING
2. PTFE SYLINDER COMPRESSION
4. PTFE DISC PRODUCTION
6. HEAT PRESSING
Used in car or motorbike shock absorber
1. XIAYI is a professional company which produces different size
and design of shock absorber pistons.
2. XIAYI has a complete set of testing equipment which can control
the quality for the material.
3. Staffs in XIAYI have plenty of experience for producing shock