The material equivalent to UNS C91700 includes ASTM B30 and ASTM B427.
Understanding UNS C91700
UNS C91700 is a specific copper alloy precisely identified as Nickel Gear Bronze Sand Cast Alloy. This material is engineered for applications demanding high strength, excellent wear resistance, and durability. Its composition and properties make it a preferred choice for components subjected to significant mechanical stress and friction.
Equivalent Materials and Their Significance
Material equivalency is fundamental in engineering and manufacturing. It allows for the selection of alternative materials that meet the same performance criteria, ensuring design integrity while offering flexibility in sourcing, cost efficiency, and compliance with various international or regional standards. For UNS C91700, the following ASTM standards are recognized as equivalents:
| Standard | Description | Relevance to C91700 |
|---|---|---|
| ASTM B30 | Standard Specification for Copper Alloys in Ingot Form for Castings | This standard governs the chemical composition and quality of copper alloy ingots. Materials conforming to ASTM B30 can be processed into castings that meet the metallurgical requirements of UNS C91700. |
| ASTM B427 | Standard Specification for Gear Bronze Alloy Castings | This specification directly covers the mechanical properties and chemical composition of finished cast products specifically designed as gear bronzes. Castings produced under ASTM B427 are intended to deliver performance comparable to UNS C91700 in gear and similar applications. |
These equivalencies ensure that materials produced under these ASTM standards will exhibit comparable performance and characteristics to UNS C91700, which is critical for maintaining product quality and reliability across different suppliers or manufacturing regions. For more information on material standards, you can refer to organizations like ASTM International.
Key Characteristics and Common Applications
Nickel Gear Bronze, such as UNS C91700 and its equivalents, is highly valued for a combination of beneficial properties:
- Exceptional Strength: Capable of withstanding heavy loads and operational stresses.
- Superior Wear Resistance: Ideal for components that experience continuous friction and abrasion, extending their service life.
- Good Machinability: Allows for precise manufacturing of intricate parts and components with tight tolerances.
- Corrosion Resistance: Offers protection against degradation in various industrial environments, including those exposed to certain chemicals or moisture.
Due to these robust properties, Nickel Gear Bronze is commonly utilized in a variety of critical applications:
- Heavy-Duty Gears: Essential for power transmission in industrial machinery and vehicles.
- Bushings and Bearings: Providing smooth, low-friction motion and support for rotating shafts.
- Worm Wheels: Used in worm gear sets for significant speed reduction and torque multiplication.
- Valve Components: Including valve bodies and stems, where resistance to wear and corrosion is paramount.
Understanding these material equivalencies is vital for engineers, designers, and procurement professionals to make informed decisions that ensure material compatibility and optimal performance in diverse industrial settings.
