Material: 20CrMnTi / 20CrNiMo

Gas carburizing + quenching + low-temperature tempering

Tooth surface HRC: 58–62,Core: HRC 30–40

DIN6-8

Material: 20CrMnTi /20CrNiMo / 20MnCr5

Gas carburizing + quenching + low-temperature tempering

Tooth surface HRC: 58–62,Core: HRC 30–40

DIN5-7

Material:18CrNiMo7-6/（Ti-6Al-4V）

Gas carburizing + quenching + low-temperature tempering + shot peening

Tooth surface HRC: 58–62,Core: HRC 35–45

DIN4-5

Material: 42CrMo / 18CrNiMo7-6 / 20CrNi2Mo

Gas carburizing + quenching + low-temperature tempering + shot peening

Tooth surface: HRC 52–58, core: HRC 32–45

DIN 6–8

Material:20CrNi2Mo / 18CrNiMo7-6

Gas carburizing + quenching + low-temperature tempering + shot peening

Tooth surface: 58~62 HRC,Core: 32~45 HRC

DIN 5~6

Material:20CrMnTi/20CrNi2Mo / 18CrNiMo7-6

Gas carburizing + quenching + low-temperature tempering + shot peening

Tooth surface: 58~62 HRC,Core: 32~45 HRC

DIN 5~7

Material: 20MnCr5 / 16MnCr5

Gas carburizing + quenching + low-temperature tempering

Tooth surface: 55~60 HRC,Core: 28~35 HRC

DIN 5~6

Materials: 20CrMnTi / 18CrNiMo7-6

Carburizing & Low+Temperature Tempering

Tooth surface: 58~62 HRC,Core: 30~40 HRC

DIN5-8

Materials:20CrMnTi / 20MnCr5

Carburizing & Low+Temperature Tempering

Tooth surface: 58~62 HRC,Core: 30~40 HRC

DIN5-6

Material: 18CrNiMo7-6 / 20CrNiMo

Gas carburizing + quenching + low-temperature tempering + shot peening

Tooth surface: 58–62 HRC, core: 32–45 HRC

DIN 6–7

Material:20CrMnTi/18CrNiMo7-6

Gas carburizing + quenching

Tooth surface: 58~62 HRC,Core: 30~40 HRC

DIN 5~8

Material:20CrNiMo / 18CrNiMo7-6

Gas carburizing + quenching + low-temperature tempering + shot peening

Tooth surface: 58~62 HRC,Core: 32~45 HRC

DIN 5~6

Material:20CrNiMo / 18CrNiMo7-6

Gas carburizing + quenching + low-temperature tempering + shot peening

Tooth surface: 58~62 HRC,Core: 32~45 HRC

DIN 5~6

Materials: 20CrMnTi / 18CrNiMo7-6

Carburizing & Low+Temperature Tempering

Tooth surface: 58~62 HRC,Core: 30~40 HRC

DIN6-8

Materials: 20CrMnTi+ZCuSn10P1

Carburizing & Quenching,

HRC 58-62

Worm Wheel：DIN7-8

Worm Shaft：DIN6-7

Material: 20CrMnTi/20CrNiMo

Gas carburizing + quenching + low-temperature tempering

Tooth surface: 58–62 HRC,Core: 30–40 HRC,

DIN 6–8

Material: 20CrMnTi / 20MnCr5

Gas carburizing + quenching + low-temperature tempering

Tooth surface: 58–62 HRC, core: 30–40 HRC

DIN 5~7

Material: 20MnCr5 / 16MnCr5

Gas carburizing + quenching + low-temperature tempering

Tooth surface: 55~60 HRC,Core: 28~35 HRC

DIN 5~6

Material:20CrNiMo / 18CrNiMo7-6

Gas carburizing + quenching + low-temperature tempering + shot peening

Tooth surface: 58~62 HRC,Core: 32~45 HRC

DIN 6~7

Materials: 20CrMnTi / 18CrNiMo7-6

Carburizing & Low+Temperature Tempering

Tooth surface: 58~62 HRC,Core: 30~40 HRC

DIN6-8

Materials: 20CrMnTi / 20MnCr5 / 18CrNiMo7-6

Carburizing & Low+Temperature Tempering

Tooth surface: 58~62 HRC,Core: 30~40 HRC

DIN5-6