SO6621-3 inokamura zvindori zvepiston kuita zvitanhatu zvakatevedzana: grey cast iron, kupisa-yakagadziriswa grey cast iron, carbide cast iron, inogoneka cast iron, ductile cast iron, uye simbi. Muna 2012 Federal-Mogul yakagadzira yechinomwe yakatevedzana yepiston mhete zvinhu, GOE70. Izvo zvinhu zvinoshandisa martensite matrix chimiro uye yakamisikidzwa chromium carbide, inoshingirira kukotama.

Zvishandiso uye serial nhamba dzinowanzoshandiswa mukambani yedu:
Nhamba yezvinyorwa: H9 (GOE13)
Nhamba yechinhu: H6 (GOE32 F14)
Nhamba yezvinyorwa: H11 (GOE52 KV1)
Nhamba yezvinyorwa: H11A (PVD piston ring base material)
Nhamba yezvinyorwa: H12 (GOE56 KV4)
Nhamba yezvinyorwa: H17 (GOE65C SMX70 ASL813)
Nhamba yezvinyorwa: H18 (GOE66 SMX90 ASL817)