|
[China]
Trade Verify
Address: Taihong 19# South SongShan Road, Erqi Distict, Zhengzhou, China.
Contact name:Kevin
Henan Yizhi Machinery Co., Ltd |
|
Verified Suppliers
|
|
|
Ra 0,8 ~ Ra 1,6
2) tratamiento térmico
Endurecido por inducción
3) Dureza superficial
50-55 HRC
| Products | Helical Gears/Spline Shaft |
| Custom Made | √ |
| Material | 20CrMnTi |
| Gear Teeth manufacturing | Gear Hobbing |
| Gear Teeth Grinding | √ |
| Module | 1.5 |
| Pressure Angle (α) | 14.5° |
| Helix Angle (β) | 15° |
| Teeth Accuracy Grade | ISO 6 Grade/ AGMA 11Grade |
| Heat Treatment | Cement |
| Surface Hardness | 57-62 HRC |
| STEEL CODE GRADES COMPARISON | |||||
| CHINA/GB | ISO | ГΟСТ | ASTM | JIS | DIN |
| 45 | C45E4 | 45 | 1045 | S45C | CK45 |
| 40Cr | 41Cr4 | 40X | 5140 | SCr440 | 41Cr4 |
| 20CrMo | 18CrMo4 | 20ХМ | 4118 | SCM22 | 25CrMo4 |
| 42CrMo | 42CrMo4 | 38XM | 4140 | SCM440 | 42CrMo4 |
| 20CrMnTi | 18XГT | SMK22 | |||
| 20Cr2Ni4 | 20X2H4A | ||||
| 20CrNiMo | 20CrNiMo2 | 20XHM | 8720 | SNCM220 | 21NiCrMo2 |
| 40CrNiMoA | 40XH2MA/ 40XHMA | 4340 | SNCM439 | 40NiCrMo6/ 36NiCrMo4 | |
| 20CrNi2Mo | 20NiCrMo7 | 20XH2MA | 4320 | SNCM420 | |
