17-4PH Stainless Steel Parallel Key
17-4PH stainless steel parallel key is a high-performance mechanical transmission component designed for reliable torque transfer, shaft positioning, and long-term operation in demanding industrial environments. The 17-4PH stainless steel parallel key is manufactured from precipitation hardening stainless steel, offering excellent strength, hardness, corrosion resistance, and dimensional stability.
The 17-4PH stainless steel parallel key features a standard rectangular key profile that fits precisely into shaft and hub keyways, preventing relative rotation between connected components. It is widely used in aerospace equipment, marine systems, chemical machinery, precision machinery, and high-performance power transmission applications where standard steel keys may not provide sufficient durability.
Product Overview
The 17-4PH stainless steel parallel key is engineered for applications requiring higher mechanical performance and corrosion resistance compared with conventional carbon steel keys. Its rectangular structure provides efficient torque transmission while maintaining accurate alignment between shafts and rotating components.
17-4PH precipitation hardening stainless steel combines high tensile strength with excellent corrosion resistance, making this 17-4PH stainless steel parallel key suitable for harsh operating conditions involving moisture, chemicals, and heavy mechanical loads.
As a specialized industrial mechanical component, it is commonly selected by OEM manufacturers, equipment builders, and engineering companies requiring stable and durable shaft connection solutions.
Product Specifications
| Item | Description |
|---|---|
| Product Name | 17-4PH Stainless Steel Parallel Key |
| Material | 17-4PH Precipitation Hardening Stainless Steel |
| Key Type | Standard Parallel Key |
| Shape | Rectangular Key |
| End Type | Standard Square Ends |
| Width Range | 2mm–50mm |
| Height Range | 2mm–30mm |
| Length Range | Customized According to Requirement |
| Surface Finish | Natural Stainless Steel / Polished |
| Heat Treatment | Precipitation Hardening Available |
| Installation Type | Shaft and Hub Keyway Fit |
| Packaging | Bulk / Carton / OEM Packaging |
| Customization | Size, length, hardness available |
Technical Parameters
| Parameter | Value |
|---|---|
| Tensile Strength | Up to approx. 1000–1300 MPa after aging treatment |
| Yield Strength | Up to approx. 900–1200 MPa after aging treatment |
| Hardness | Approx. HRC 35–45 depending on condition |
| Density | Approx. 7.75 g/cm³ |
| Corrosion Resistance | Excellent stainless steel performance |
| Wear Resistance | Excellent after heat treatment |
| Operating Temperature | Suitable for demanding industrial environments |
| Material Standard | 17-4PH Stainless Steel |
Materials and Manufacturing Process
The 17-4PH stainless steel parallel key is manufactured through precision machining and heat treatment processes to achieve accurate dimensions, high strength, and reliable service performance.
- Raw material selection: High-quality 17-4PH precipitation hardening stainless steel
- Cutting: Precision cutting according to required dimensions
- Milling machining: Formation of accurate rectangular key profile
- Grinding: Improves dimensional accuracy and surface finish
- Heat treatment: Solution treatment and aging process to enhance mechanical properties
- Deburring: Removes sharp edges for safe assembly
- Inspection: Dimensional, hardness, and material verification
- Packaging: Protective industrial packaging for transportation
Each 17-4PH stainless steel parallel key is manufactured under strict quality control to ensure stable torque transmission performance.
Applications of the Product
The 17-4PH stainless steel parallel key is widely used across high-performance industries:
- Aerospace equipment: Lightweight and high-strength transmission systems
- Marine systems: Corrosion-resistant shaft connections
- Chemical machinery: Equipment exposed to demanding environments
- Oil and gas equipment: High-strength mechanical assemblies
- Precision machinery: Accurate rotational positioning systems
- Pumps and compressors: High-load shaft connections
- Automation equipment: Reliable motion transmission components
- Industrial machinery: Heavy-duty drive systems
Its combination of strength and corrosion resistance makes it suitable for critical mechanical applications.
Why Choose This Product
- High strength precipitation hardening stainless steel
- Excellent corrosion resistance
- Superior wear resistance after heat treatment
- Stable dimensional performance
- Reliable torque transmission capability
- Suitable for high-load applications
- Longer service life compared with standard steel keys
- Compatible with precision mechanical systems
- OEM customization available
The 17-4PH stainless steel parallel key provides a reliable solution for demanding shaft and hub connection applications.
Why Choose Flybear
Flybear is a professional manufacturer specializing in precision industrial fasteners and mechanical transmission components.
- Advanced CNC machining capability
- Stainless steel and specialty alloy processing experience
- OEM/ODM customization support
- Stable production capacity for industrial orders
- Strict quality inspection procedures
- Global export experience
- Engineering support for customized applications
Flybear provides reliable mechanical components for machinery manufacturers, distributors, and industrial customers worldwide.
Quality Inspection and Control
Quality assurance is maintained throughout the manufacturing process:
- Raw material chemical composition analysis
- Material certificate verification
- Dimensional accuracy inspection
- Width, height, and length measurement
- Hardness testing after heat treatment
- Surface finish inspection
- Mechanical performance verification
- Packaging quality inspection
All production processes follow ISO-based quality management systems to ensure consistent product reliability.
Selection Guide
When selecting a 17-4PH stainless steel parallel key, consider:
- Shaft diameter and keyway dimensions
- Required torque transmission capacity
- Mechanical load conditions
- Corrosion exposure environment
- Required hardness level
- Operating temperature and service conditions
Correct selection ensures efficient power transmission and long-term mechanical stability.
FAQ
1. What is a 17-4PH stainless steel parallel key used for?
It is used for torque transmission and positioning between shafts and hubs in demanding mechanical systems.
2. What are the advantages of 17-4PH stainless steel?
It provides high strength, excellent corrosion resistance, and good dimensional stability.
3. Can 17-4PH keys replace carbon steel keys?
Yes, especially in applications requiring higher strength and corrosion resistance.
4. Can the hardness of 17-4PH parallel keys be customized?
Yes, heat treatment conditions can be adjusted according to application requirements.
5. Can custom sizes be produced?
Yes, Flybear supports customized dimensions, materials, and specifications.
We always adhere to the philosophy of quality first and customer first, providing customers with high-quality fastener products and one-stop fastener solutions.
Contact us for quotation, customization, and technical support via Contact Us.
