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Help CenterIntegral Ring Gear 40Cr Alloy Steel 58-62 HRC Surface Hardness Max 50000 Nm Torque
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Introducing our Integral Ring Gear – a high-performance transmission component engineered from premium 40Cr alloy steel, designed to deliver exceptional durability under extreme loads. As a professional manufacturer with over a decade of experience, Henan San Kuang Machinery Technology Co., Ltd. leverages advanced forging and heat treatment processes to produce ring gears that offer superior surface hardness of 58–62 HRC and a maximum torque rating of 50,000 Nm. Our gears are ideal for heavy-duty applications in mining, cement, and industrial gearboxes where reliability and long service life are paramount.
Key Features & Technical Specifications
- Integral Design: One-piece construction eliminates weak weld joints, ensuring uniform load distribution and higher structural integrity.
- 40Cr Alloy Steel: Offers excellent hardenability, toughness, and wear resistance, making it suitable for high-stress environments.
- Surface Hardness 58–62 HRC: Achieved through precise induction hardening or carburizing (customizable), providing outstanding resistance to pitting and scuffing.
- Torque Capacity up to 50,000 Nm: Designed to handle extreme rotational forces without deformation or fatigue failure.
- Heat Treatment: Quenched and tempered to optimize core toughness while maintaining a hard wear layer.
- Customizable Dimensions: Available in various diameters, tooth profiles (spur, helical, etc.), and mounting configurations.
- ISO 9001 Certified Production: Meticulous quality control from raw material inspection to final dimensional checks.
| Parameter | Standard Value | Customizable Range |
| Outer Diameter | 500 mm – 3000 mm | Upon request |
| Module (Gear) | 6 – 30 | As per drawing |
| Number of Teeth | 20 – 200 | Custom |
| Hardness (Surface) | 58–62 HRC | 55–65 HRC optional |
| Torque Rating | Max 50,000 Nm | Higher rating possible with material upgrade |
Advanced Manufacturing & Quality Assurance
Our integral ring gears are manufactured in a 10,000–30,000 m² state-of-the-art facility in Luoyang, China. We employ 51–100 skilled technicians and utilize precision CNC gear hobbing, grinding, and inspection equipment. Every gear undergoes 100% dimensional verification, hardness testing, and magnetic particle inspection to ensure zero defects. With an annual export value of US$2.5–5 million, our products have been trusted by customers across North America, Europe, Southeast Asia, Africa, and the Middle East. We hold multiple certifications including ISO9001, ISO14000, OHSAS18001, and other industry-specific standards, reflecting our commitment to quality and sustainability.
Why Choose Our Integral Ring Gear?
- Longer Service Life: The combination of 40Cr alloy and high surface hardness minimizes wear and extends gear life by up to 30% compared to standard materials.
- Reduced Downtime: Integral design eliminates weld failure risks, ensuring uninterrupted operation in continuous production lines.
- Cost-Effective: Optimized heat treatment and machining processes reduce manufacturing waste, offering competitive pricing without compromising quality.
- Global Logistics: We ship via major ports (Shanghai, Qingdao, Tianjin, Lianyungang) with flexible packaging for safe ocean freight.
Backed by Proven Expertise – Since 2014, Henan San Kuang Machinery has supplied heavy-duty gears to industries ranging from mining to cement. Our ISO9001 and ISO14001 certified processes guarantee consistent quality. With a dedicated engineering team, we support clients in customizing tooth profiles, mounting holes, and heat treatment specifications. Contact us today to request a quotation or discuss your specific torque and dimensional requirements. Let us help you power your machinery with reliable, high-torque integral ring gears.
Frequently Asked Questions (FAQ)
-
What materials are available besides 40Cr alloy steel?
We also offer 42CrMo, 20CrMnTi, and carburizing steel grades upon request. All materials are sourced from certified suppliers. -
Can the ring gear be supplied with a specific tooth profile (e.g., helical or herringbone)?
Yes, we can manufacture spur, helical, double helical, and internal gears based on your drawings or technical parameters. -
How do you ensure the surface hardness meets 58–62 HRC?
We use induction hardening or carburizing with precise temperature control, followed by hardness testing on every gear. -
What is the typical lead time for a custom integral ring gear?
For standard sizes, lead time is 30–45 days. Custom designs may require 50–65 days, depending on complexity. -
Do you provide heat treatment certificates and material test reports?
Absolutely. We supply full documentation including material certs, hardness reports, and dimensional inspection records. -
Can you handle large ring gears exceeding 50,000 Nm torque?
Yes, we can design gears for up to 200,000 Nm using upgraded materials and larger cross-sections. Contact our engineers for a feasibility study. -
What is the minimum order quantity (MOQ)?
MOQ is 1 piece for custom sizes; for standard sizes, we can negotiate based on stock availability. -
How do you package the ring gear for sea shipment?
We use wooden crates with shock-absorbing padding, plus rust-proof oil coating to prevent corrosion during transit.
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