60Si2Mn SUP9 90x13-9 Trailer Leaf Spring 180k Cycles Fatigue Tested for Semi Trailer Suspension
Price:
USD 30-80 / Piece
MOQ:
50 Pieces
Delivery Time:
7-15 working days
Brand:
BYF
Product Description
60Si2Mn SUP9 90x13-9 Trailer Leaf Spring 180k Cycles Fatigue Tested for Semi Trailer Suspension System
The 90x13-9 trailer leaf spring is engineered for heavy-duty semi-trailer suspension systems, manufactured from premium 60Si2Mn (SUP9 equivalent) spring steel to deliver exceptional fatigue resistance and load-bearing performance.
Technical Specifications
| Parameter | Specification |
|---|---|
| Material | 60Si2Mn / SUP9 Spring Steel |
| Width | 90mm |
| Thickness | 13mm |
| Number of Leaves | 9 |
| Fatigue Life | ≥180,000 Cycles |
| Hardness | 40-47 HRC |
| Application | Semi Trailer / Heavy-Duty Truck Suspension |
| Surface Treatment | Anti-rust Painted |
| Certification | ISO 9001:2015 |
| Place of Origin | Shandong, China |
Key Features
- Premium Material: 60Si2Mn / SUP9 grade spring steel, providing superior elasticity and deformation resistance
- Optimized Specification: 90mm width × 13mm thickness × 9 leaves, designed for heavy-load semi-trailer applications
- Proven Durability: ≥180,000 cycles fatigue tested under full-load conditions, ensuring long service life
- Precision Heat Treatment: 40-47 HRC hardness achieved through controlled quenching and tempering processes
- Corrosion Protection: Anti-rust painted finish for extended service life in harsh environments
- Wide Application: Compatible with various semi-trailer, heavy-duty truck, and commercial vehicle suspension systems
Performance
Each leaf spring undergoes rigorous multi-stage fatigue testing exceeding 180,000 cycles, ensuring reliable performance under extreme load conditions. The 60Si2Mn SUP9 material offers enhanced tensile strength and fatigue resistance compared to standard spring steel grades, making it ideal for demanding long-haul trailer operations.
Quality Control
Manufactured under ISO 9001:2015 certified quality management system. Every batch is tested for dimensional accuracy, hardness uniformity, and fatigue endurance before shipment.
Packaging & Delivery
Export-grade wooden pallet packaging with anti-rust coating and steel strap securing. Custom specifications and OEM branding available upon request. Standard delivery within 7-15 working days.
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Get in Touch
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Company
Shenzhen BYF International Limited
Location
Room 711，Block F, Mingyue Huadu Building, Gonghe Gongye Ave, Xixiang Street, Bao'an District, Shenzhen, Guangdong, China
Contact Person
Jon Chen