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60Si2Mn SUP9 90x13-9 Trailer Leaf Spring 180k Cycles Fatigue Tested for Semi Trailer Suspension
60Si2Mn SUP9 90x13-9 Trailer Leaf Spring 180k Cycles Fatigue Tested for Semi Trailer Suspension
Specifications
Certification :
ISO 9001:2015
Number of Leaves :
9
Thickness :
13mm
MOQ :
50 Pieces
Material :
60Si2Mn / SUP9
Brand Name :
BYF
Delivery Time :
7-15 working days
Width :
90mm
Packaging Details :
Export-grade wooden pallet with anti-rust coating, secured with steel straps
Surface Treatment :
Anti-rust painted
Supply Ability :
10000 Pieces per Month
Fatigue Life :
≥180,000 Cycles
Model Number :
90x13-9
Price :
USD 30-80 / Piece
Hardness :
40-47 HRC
Payment Terms :
T/T,L/C,Western Union
Application :
Semi Trailer Suspension
Place of Origin :
Shandong, China
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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60Si2Mn SUP9 90x13-9 Trailer Leaf Spring 180k Cycles Fatigue Tested for Semi Trailer Suspension

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Product Detail
Certification :
ISO 9001:2015
Number of Leaves :
9
Thickness :
13mm
MOQ :
50 Pieces
Material :
60Si2Mn / SUP9
Brand Name :
BYF
Contact Supplier
60Si2Mn SUP9 90x13-9 Trailer Leaf Spring 180k Cycles Fatigue Tested for Semi Trailer Suspension

Shenzhen BYF International Limited

Verified Supplier
7 Years
guangdong, shenzhen
Since 2001
Business Type :
Manufacturer, Exporter
Main Products :
Trailer Leaf Spring, American Brake Shoe, European Type Brake Shoe
Total Annual :
10 million-15 million
Employee Number :
100~150
Certification Level :
Verified Supplier
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