65Mn Spring Steel Wire supplied by Jiangsu Cunrui Metal Products Co., Ltd. is a high-carbon manganese steel wire known for its superior toughness, excellent wear resistance, and reliable fatigue strength. Manufactured in compliance with international standards such as ASTM, JIS, and EN, our spring steel wire ensures consistent mechanical properties and dimensional accuracy. Each batch comes with mill test certificates, third-party inspection reports, and chemical composition sheets to guarantee authenticity and reliability.
With optimized carbon and manganese content, 65Mn steel wire provides stable elasticity, high hardness, and enhanced service life, making it a preferred choice for demanding spring applications.
Key Features & Advantages
High Strength & Elasticity – Delivers excellent load-bearing performance.
Outstanding Wear Resistance – Extended service life compared with standard carbon steel wires.
Stable Mechanical Properties – Uniform hardness and tensile strength after heat treatment.
International Compliance – Meets ASTM, JIS, and GB standards with traceable quality certificates.
Reliable Supply – Available in stock with consistent quality assurance.
Applications
65Mn Spring Steel Wire is widely used in industries requiring durable and high-performance spring components:
Automotive coil springs, clutch springs, valve springs
Industrial machinery springs and wire forms
Agricultural machinery components
Hand tools, saw blades, and cutting tools
Construction hardware and fastening solutions
Product Specifications & Technical Data
Basic Information
|
Parameter |
Specification |
|
Material |
65Mn High Carbon Spring Steel |
|
Diameter Range |
0.20 mm – 12.0 mm (customizable) |
|
Tensile Strength |
1570 – 2160 MPa (depending on size & heat treatment) |
|
Hardness |
HRC 44 – 52 |
|
Surface Condition |
Bright, Polished, Phosphated, Oiled |
|
Elongation |
≥ 8% |
Chemical Composition (Typical, %)
|
Element |
Content |
|
C |
0.62 – 0.70 |
|
Mn |
0.90 – 1.20 |
|
Si |
0.17 – 0.37 |
|
P |
≤ 0.035 |
|
S |
≤ 0.035 |
|
Cr |
≤ 0.25 |
Customization Services
At Jiangsu Cunrui Metal Products Co., Ltd., we provide flexible customization to meet specific project needs:
Non-standard diameters, lengths, or coil weights
Surface treatments: galvanizing, phosphating, polishing, oil coating
Precision cutting, bending, or welding services based on drawings
MOQ flexibility and sample availability for trial orders
Multiple material grades for different applications
Price & Delivery
Competitive Price – Direct factory supply with bulk order discounts.
Stable Delivery – Standard lead time 7–15 days, with stock available for urgent needs.
Flexible Terms – Support FOB, CIF, and other trade terms based on client requirements.
Our Strength
Factory Scale – Modern production base with advanced drawing, heat treatment, and testing equipment.
Production Capacity – Over 20,000 tons annual output with stable global supply.
Global Export Experience – Long-term partners in Europe, Asia, Middle East, and South America.
Certifications – ISO, SGS, and third-party inspection approval.
Technical Expertise – Skilled R&D team supporting product innovation and quality assurance.
Service & Support
Fast Inquiry Response – Professional team replies within 12 hours.
Technical Support – Engineering advice for selecting the right spring steel wire.
Export-ready Packaging – Standard seaworthy packing with pallet or coil wrap.
After-sales Guarantee – Replacement or refund for any verified quality issues.
Logistics Support – Assistance with shipping, customs clearance, and documentation.
FAQ
Q1: Do you provide mill test certificates?
Yes, all shipments include MTC, chemical composition reports, and mechanical test results.
Q2: Can 65Mn Spring Steel Wire be customized to specific dimensions?
Absolutely, we offer cutting, coiling, and processing services according to drawings.
Q3: What is the minimum order quantity (MOQ)?
We support flexible MOQs, starting from 500 kg depending on size and surface condition.
Q4: How do you ensure product quality?
Each batch undergoes strict raw material inspection, in-process monitoring, and third-party testing if required.
Q5: Do you have ready stock?
Yes, standard sizes of 65Mn Spring Steel Wire are available in stock for immediate delivery.
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