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42CrMo4 Alloy Steel Rotary Kiln Girth Gear With 10-Year Warranty and Hardness HB300-350
Product Spotlights
42CrMo4 alloy steel rotary kiln girth gear with controlled hardness HB300-350, backed by a 10-year warranty. Manufactured by ISO-certified Henan San Kuang Machinery with advanced forging and heat treatment, ensuring long service life and high load capacity for cement and mining industries. Customizable dimensions and global shipping available.
US$ 1000
≥1 Piece
Key Specifications
Get Latest Price
Material:
Other, 42CrMo4 Alloy Steel
Standard:
Other, ISO9001
Hardness:
HB300-350
Payment & Shipping
Payment Methods:
Port of Shipment:
qingdao|tianjin
Delivery Detail:
30 days
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Material
Other, 42CrMo4 Alloy Steel
Standard
Other, ISO9001
Hardness
HB300-350
Application
Rotary kiln, ball mill, cement mill
Heat Treatment
Quenching and tempering
Module
Customizable (e.g., 20-50)
Teeth Number
Customer specified
Warranty
10 years
Processing
Forging + machining + heat treatment
Henan San Kuang Machinery Technology Co., Ltd. is proud to present our premium 42CrMo4 Alloy Steel Rotary Kiln Girth Gear, engineered to deliver exceptional durability and performance in heavy industrial applications. Manufactured with precision forging and advanced heat treatment, this gear ensures long service life with a hardness of HB300-350 and a full 10-year warranty. As a trusted manufacturer with ISO9001, ISO14000, and OHSAS18001 certifications, we guarantee reliable quality for cement plants, mining operations, and metallurgical facilities worldwide.
Key Features & Technical Specifications
- High-Strength Alloy Steel: 42CrMo4 material offers excellent toughness and wear resistance, suitable for continuous heavy-load operation.
- Controlled Hardness (HB300-350): Optimized balance between strength and machinability, reducing risk of cracking under thermal stress.
- 10-Year Warranty: Confidence in manufacturing quality and long-term reliability, backed by our factory testing.
- Customizable Dimensions: Teeth module, number of teeth, bore diameter, and overall size can be tailored to your rotary kiln specifications.
- Heat Treatment Process: Quenching and tempering to refine grain structure and enhance fatigue life.
- Rigorous Quality Control: Ultrasonic testing, magnetic particle inspection, and hardness testing per international standards.
Technical Parameters (Typical)
| Parameter | Value |
|---|---|
| Material Grade | 42CrMo4 (DIN 1.7225) |
| Hardness Range | HB 300 – 350 |
| Manufacturing Process | Forging → Rough Machining → Heat Treatment → Finish Machining |
| Max Outer Diameter | Up to 8000 mm (customizable) |
| Module Range | 20 – 50 (or as required) |
| Warranty Period | 10 years |
Product Advantages & Customer Benefits
- Extended Service Life: The combination of 42CrMo4 alloy and controlled hardness reduces wear rate, minimizing downtime for replacement.
- High Load Capacity: Designed to withstand the heavy torque of rotary kilns, ensuring stable operation even under fluctuating temperatures.
- Global Compatibility: Our girth gears are used in cement plants, lime kilns, and ore processing facilities across North America, South America, Europe, Asia, Africa, and Oceania.
- Cost-Effective Solution: With a 10-year warranty, you save on maintenance and replacement costs over the long term.
- Flexible Customization: We offer tailored tooth profiles, mounting holes, and keyways to match existing pinion gears and drive systems.
Why Choose Henan San Kuang Machinery?
Since 2022, Henan San Kuang Machinery Technology Co., Ltd. has been a dedicated manufacturer of heavy industrial gears and kiln components. Our factory spans 10,000–30,000 square meters, staffed with 51–100 skilled employees, and we achieve an annual export value of US$2.5–5 million. We hold multiple certifications including ISO9001, ISO14000, OHSAS18001, HACCP, TL900, QS9000, SA8000, ISO17799, ISO9004, ISO10441, ISO16949, TS16969, ISO19011:2000, and others, reflecting our commitment to quality, environment, and occupational health. Our main markets span all continents, and we ship from major ports like Shanghai, Lianyungang, Qingdao, and Tianjin. With a strong reputation for reliability, we invite you to partner with us for your rotary kiln girth gear needs.
Frequently Asked Questions
-
Q: What is the typical lead time for a custom girth gear?
A: Lead time depends on size and complexity, typically ranging from 60 to 120 days. Please contact us with your specifications for an accurate schedule. -
Q: Can I get a sample for testing before placing a bulk order?
A: Yes, we can produce a single piece for evaluation. Sample cost and shipping will be discussed based on your requirements. -
Q: How is the hardness HB300-350 achieved?
A: Through precise quenching and tempering heat treatment, we control the hardness within this range to ensure optimal toughness and wear resistance. -
Q: Does the 10-year warranty cover all types of failures?
A: The warranty covers manufacturing defects under normal operating conditions. Detailed terms are provided in the warranty agreement. Please inquire for specifics. -
Q: Can you provide drawings or CAD files for review?
A: Yes, we can share 2D or 3D drawings upon request to ensure the gear matches your kiln design. -
Q: What is the maximum weight of a single girth gear you can produce?
A: Our forging capacity allows us to produce gears up to approximately 50 tons per piece. Larger sizes may require segmented designs. -
Q: Do you offer installation guidance or on-site support?
A: We provide technical documentation and remote support. On-site installation supervision is available as an optional service for an additional fee.
Contact us today to discuss your rotary kiln girth gear requirements. With our 10-year warranty, proven hardness, and global delivery, we are your reliable partner for heavy-duty gear solutions.
Send Inquiry to This Supplier
1Yr
Business Type
Manufacturer
Year Established
2022
Factory Size
10,000-30,000 square meters
Annual Export Value
US$2.5 Million - US$5 Million
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