Automotive Suspension Spring 60Si2Mn Steel Supply Case

Project Background

Client is a large domestic automotive suspension spring manufacturer with annual output of 20 million springs. Yaoquan Steel long-term supplies 60Si2Mn spring steel round bars and flat steel. The material undergoes spheroidizing annealing for easy spring forming, with fatigue life meeting standards.

This client is a well-known enterprise in the Automotive industry, with high requirements for material quality, delivery time, and technical service. Before partnering with Yaoquan Steel, the client faced issues such as scattered suppliers, unstable material quality, and long delivery cycles, affecting production efficiency and product quality.

Material Characteristics & Selection

This project uses 60Si2Mn material, which has the following characteristics:

• Excellent mechanical properties with good strength-toughness balance
• Good processability, suitable for cutting, forging, stamping and other processes
• Stable quality performance with minimal batch-to-batch variation
• High cost-performance ratio with low overall usage cost

Yaoquan Steel technical team recommended the most suitable material grade and heat treatment process based on the client's specific usage scenarios and performance requirements, ensuring material performance meets product design specifications.

Yaoquan Solution

• Annual framework agreement locks in price
• Spheroidizing annealing pretreatment reduces customer processes
• Material certificates accompany each shipment
• JIT delivery reduces inventory

Yaoquan Steel provides one-stop service from material selection, procurement, processing to delivery:

• Dedicated Stock: Establish dedicated inventory for clients, common sizes always in stock, ensuring availability anytime
• Processing Support: Provide sawing, laser cutting, CNC machining and other supporting services, reducing client processing steps
• Quality Assurance: All materials come with original mill certificates, supporting spectral re-inspection and non-destructive testing
• Fast Delivery: Same-day delivery in Pearl River Delta, 2-3 days to other domestic regions
• Technical Support: Professional technical team provides material selection advice, heat treatment process guidance and other services

Partnership Value

Through partnership with Yaoquan Steel, the client achieved the following value:

• Reduced Procurement Cost: One-stop procurement reduces intermediary links, overall procurement cost reduced by 15%-20%
• Shortened Production Cycle: Material stock supply + supporting processing services, production cycle shortened by 30%
• Improved Product Quality: Stable and reliable material quality, product quality rate improved to over 99%
• Reduced Management Cost: Single supplier management, reducing supplier management and communication costs

Yaoquan Steel's professional technical team also provides ongoing technical support, helping clients optimize production processes, reduce overall costs, and achieve mutual benefit and win-win results.

Client Testimonial

"Yaoquan Steel is our trusted partner. Material quality is stable, delivery is timely, and technical service is professional. Since our partnership, our production efficiency and product quality have significantly improved."

—— Major automotive suspension spring manufacturer Procurement Manager