CZPT Transmission Gears - Rectified Double Helical Gear Shaft for Gear Box

CZPT Transmission Gears – Rectified CZPT CZPTcal Equipment Shaft for Equipment Box

Material 17CrNiMo6
Gear Hobbing
Equipment Grinding
Force Angle 20°
CZPTxal angle CZPT Made
Warmth Treatment method Carburizing/Cement Hardened Or
Higher-frequency Quenching
Surface area Hardness 58-62 HRC
Gear Accuracy Quality 6-7 Grade (ISO 1328)

 

 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  

 

CZPT Transmission Gears - Rectified Double Helical Gear Shaft for Gear Box