There are about 5 kinds of copper sleeve materials.

Phosphor copper (QSn10-1, QSn6.5-0.1),

Brass (H62, H65, H68, H70, H85, H90),

Tin bronze (QSn6-6-6, QSn5-5-5 CuSn10Pb1, CuSn8, CuSn4, CuSn12),

Rongchang high-strength brass: CuZn25Al5, C86300, CAC304

Aluminum Bronze (C60600, C64200, C60800, C61300, C61400, C61900, C62300, C62400, C63000, C63020, C63200, C65100, CuAL10Fe3, CuAL9Fe4Ni4, CuAL9Mn2, CuAL9Ni3Fe2, Ni5Fe4)

Different materials have different usage conditions Same.