Henan Yizhi Machinery Co., Ltd
                                                                                                           
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10 Years
Since 2016
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AISI 4340 Big Size Girth Gear with 230-260 HB Hardness and 20° Pressure Angle for Heavy Power Transmission

Price Negotiable
Price: $1500/ Piece
MOQ: 1 Piece
Delivery Time: 90 Days
Brand: YIZGEAR
Product Description
Custom Made Casting Steel Big Size Girth Gear For Drum Drives System

Our segmented girth gears are engineered for heavy power transmission applications, featuring modular design for easier handling and transportation.

Girth Gear Design Features
  • Segmented construction for simplified handling and installation
  • Compact component parts for easier transportation
  • Custom manufacturing to meet specific application requirements
Industrial Applications
  • Cement plants and processing facilities
  • Roller mill drive systems
  • Mining liner equipment
  • Ball mill reducer assemblies
Material Specifications

Manufactured from high-strength casting steel including ZG 42CrMo or ZG40CrNiMo alloys for superior durability and performance.

Technical Specifications
Parameter Specification
Custom Made Available
Gear Profile Type Cylindrical Gears
Manufacturing Process Gear Milling/Gear Hobbing
Teeth Grinding Included
Module (M) Custom
Number of Teeth (Z) Custom
Pressure Angle (α) 20°
Lead Angle Custom
Accuracy Grade ISO 8-9 Grade
Heat Treatment Quenching and Tempering
Surface Hardness 230-260 HB
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
Production Equipment
AISI 4140 steel girth gear production equipment showing manufacturing machinery
Production Process
AISI 4140 steel girth gear production process showing gear manufacturing stages

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Henan Yizhi Machinery Co., Ltd
Location Taihong 19# South SongShan Road, Erqi Distict, Zhengzhou, China.
Contact Person Kevin

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