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Cast Iron Gear ASTM A48 Class 35 for Precision Gearbox Assembly
Product Spotlights
Precision-machined ASTM A48 Class 35 cast iron gears offering excellent vibration damping for quiet operation, good wear resistance, and reliable performance in gearbox assemblies. Fully customizable to your drawings with optional heat treatment and surface coatings. Backed by ISO 9001 & IATF 16949 certified manufacturing for consistent quality.
Negotiable
MOQ: 1 Piece (Price negotiable depending on order volume and customization)
Key Specifications
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Material:
Other, Gray Cast Iron (ASTM A48 Class 35)
Application:
Other, Precision Gearbox Assembly
Standard:
ASTM A48 Class 35
Payment & Shipping
Payment Methods:
Port of Shipment:
China
Delivery Detail:
Delivery time depends on order quantity.
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Material
Other, Gray Cast Iron (ASTM A48 Class 35)
Application
Other, Precision Gearbox Assembly
Standard
ASTM A48 Class 35
Gear Type
Spur Gear, Helical Gear, Bevel Gear (customizable)
Processing
CNC Machining, Precision Grinding
Surface Treatment
Optional (e.g., Phosphating, Blackening)
Dimensional Tolerance
Customizable per drawing
Heat Treatment
Optional (e.g., Stress Relieving)
As a leading manufacturer specializing in precision cast iron components, Henan San Kuang Machinery Technology Co., Ltd. leverages over a decade of experience and a 10,000-30,000 square meter facility to produce high-performance Cast Iron Gears compliant with ASTM A48 Class 35. These gears are engineered as the cornerstone for reliable and durable precision gearbox assemblies, offering an optimal balance of strength, machinability, and vibration damping essential for demanding industrial applications. Our commitment to quality, backed by a comprehensive certification system including ISO 9001 and IATF 16949, ensures every gear meets stringent specifications for seamless integration into your power transmission systems.
Core Product Features & Technical Advantages:
- Superior Material Properties: Manufactured from ASTM A48 Class 35 gray cast iron, our gears provide excellent compressive strength, good wear resistance, and inherent self-lubricating properties. The graphite flakes within the structure offer superior vibration damping, reducing noise and enhancing the smooth operation of the entire gearbox.
- Precision Engineering for Optimal Fit: Each gear undergoes precise CNC machining and finishing processes to achieve tight tolerances and accurate tooth profiles. This precision ensures minimal backlash, efficient power transmission, and extended service life for the gearbox assembly.
- Enhanced Durability & Reliability: The robust nature of Class 35 cast iron provides reliable performance under substantial loads. Optional heat treatments like stress relieving can be applied to minimize internal stresses and improve dimensional stability for critical applications.
- Design Flexibility & Customization: We offer extensive customization to meet your exact requirements. From standard spur gears to complex helical or bevel gears, our engineering team can work with your drawings to produce gears in various sizes, tooth profiles, and with specific features like keyways, splines, or special bore configurations.
- Cost-Effective Solution: Cast iron gears offer a favorable cost-to-performance ratio compared to many steel alternatives, making them an economical choice for high-volume production without compromising on the core requirements of strength and durability.
Key Technical Specifications & Options:
The following table outlines typical parameters and available customizations for our ASTM A48 Class 35 Cast Iron Gears.
| Parameter | Specification / Option |
| Primary Material Standard | ASTM A48 Class 35 Gray Cast Iron |
| Tensile Strength (Typical) | Approximately 250 MPa (36 ksi) min |
| Common Gear Types | Spur, Helical, Bevel, Worm Gears |
| Module / Diametral Pitch Range | Customizable (e.g., Module 1 to 10) |
| Face Width | As per customer drawing |
| Dimensional Tolerance | AGMA or ISO standards, customizable |
| Surface Finish | Precision machined; optional coatings available |
| Heat Treatment | Optional (Stress Relieving) |
| Quality Assurance | Material certification, Dimensional inspection |
Benefits for Your Application:
- Quieter Operation: The inherent damping characteristics of gray cast iron significantly reduce gear noise, contributing to a better working environment.
- Reduced Maintenance: Good wear resistance and stability lower the frequency of maintenance intervals and part replacement.
- Seamless System Integration: Precision-machined gears ensure proper meshing and alignment, preventing premature failure in gearboxes.
- Broad Compatibility: Suitable for a wide range of industrial gearboxes used in conveyors, mixers, agricultural machinery, and other power transmission systems.
With an annual export value ranging between US$2.5 Million and US$5 Million and a strong presence across global markets including North America, Europe, and Southeast Asia, Henan San Kuang has established itself as a trusted partner for precision components. Our multi-port shipping capability from Shanghai, Qingdao, Tianjin, and Lianyungang ensures flexible and efficient logistics. By choosing our ASTM A48 Class 35 Cast Iron Gears, you are selecting components built on a foundation of rigorous quality management (ISO 9001, IATF 16949), modern manufacturing infrastructure, and a dedicated workforce of 51-100 professionals. Contact us today to discuss your precision gearbox requirements and experience the reliability our gears bring to your assembly line.
Frequently Asked Questions (FAQ)
-
Q: What are the main advantages of using ASTM A48 Class 35 cast iron for gears instead of steel?
A: Class 35 cast iron offers excellent vibration damping for quieter operation, good machinability which can lower production costs, and sufficient strength for many industrial applications. It also provides inherent lubricity from its graphite content. -
Q: Can you produce gears according to our specific drawings and tolerances?
A: Absolutely. We specialize in custom manufacturing. Please provide your detailed engineering drawings, including tooth profile specifications, tolerances (AGMA/ISO), and any special features required. -
Q: What surface treatments or coatings are available for these cast iron gears?
A: We can apply various surface treatments upon request, such as phosphating for corrosion resistance and improved run-in, black oxide (blackening), or other coatings suitable for cast iron to meet your application needs. -
Q: Do you provide material certification for the ASTM A48 Class 35 material?
A: Yes, we can supply material test certificates (MTC) from the foundry, verifying the chemical composition and mechanical properties comply with the ASTM A48 Class 35 standard. -
Q: What is your typical lead time for a custom gear order?
A: Lead time depends on the complexity, quantity, and current production schedule. We provide a specific timeline upon review of your technical requirements and order quantity. -
Q: Are these gears suitable for high-speed or high-torque applications?
A: ASTM A48 Class 35 gears are generally suitable for moderate speed and torque applications common in industrial gearboxes. For extremely high-speed or high-torque needs, we can advise on material grade selection or design considerations. -
Q: What quality control procedures are in place during manufacturing?
A: Our quality control includes incoming material inspection, in-process checks during machining (dimensional, runout), and final inspection of critical parameters like tooth profile, pitch, and bore dimensions against your specifications. -
Q: What packaging do you use to ensure the gears arrive undamaged?
A: Gears are typically individually wrapped or separated to prevent contact damage, packed in sturdy wooden crates or cartons, and secured for ocean or air freight to ensure they reach you in perfect condition.
Send Inquiry to This Supplier
1Yr
Year Established
2014
Factory Size
10,000-30,000 square meters
Annual Export Value
US$2.5 Million - US$5 Million
Total Employees
51 - 100 People
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