点击图片查看大图Order quantity (a) the price
5000 or 1.00 yuan/a
Brand: LuYuan type: qianjiang fifty/QJ50 - C applicable models: motorcycle
Diameter: 12/10 (mm) ring groove number: 2 ring structure: slotting ring
Piston ring section shape: steel oil ring surface carburized depth: 0.4 surface hardness: HRC58-64
Material: twenty cr origin: zhejiang accessories Numbers: 002
For larger superkings cars: motorcycle suitable model: qianjiang series pin hole × pin long: 8/6 * 33 (mm)
Compression height: 33 (mm) general tolerance by: 0.005 center hardness: HRC35-43
Total height: 33 (mm)
1. The outside surface no crack, scallops, sesame, touch mark, burr defect. Bore no oxidation corrosion.
2. After carburizing and quenching, carburizing layer not more than 40% of the total thickness, the surface carburized layer depth of 0.3-0.5, the surface hardness HRA78-83, with product hardness difference not more than three units. The core hardness HRC35-45, quenching after clear oil dirties impurity.
3. QJ50 series, big hole/holes.
