50CrVA Spring Steel Wire is a high-performance alloy spring steel material, widely recognized for its outstanding fatigue resistance, high tensile strength, and stable mechanical properties. Produced under strict quality control by Jiangsu Cunrui Metal Products Co., Ltd., this wire is manufactured according to international standards such as ASTM, DIN, and GB/T, ensuring reliable consistency for global customers.
The material composition of 50CrVA includes chromium, vanadium, and carbon, which provide superior wear resistance, improved hardenability, and excellent elasticity. Every batch comes with a mill test certificate (MTC), and third-party inspection or customized reports are available upon request, ensuring buyers confidence in both quality and compliance.
Key Features & Advantages
High Elasticity & Strength – Superior springback performance for demanding mechanical applications.
Enhanced Wear Resistance – Chromium and vanadium elements improve hardness and long-term durability.
Stable Performance – Consistent tensile properties and uniform microstructure ensure reliability.
Certified Quality – Supplied with material certificates, third-party inspection supported.
International Standards – Meets ASTM, GB/T, and JIS requirements for spring steel wire.
Applications
50CrVA Spring Steel Wire is widely applied across industries requiring durable and resilient spring materials, such as:
Automotive suspension and valve springs
Machinery and industrial equipment
Tools and precision components
Aerospace fasteners and springs
High-stress mechanical devices
Product Specifications & Technical Data
Basic Information
|
Parameter |
Specification |
|
Material Grade |
50CrVA Spring Steel |
|
Diameter Range |
0.30 mm – 16 mm (customizable) |
|
Tensile Strength |
1500 – 2200 MPa |
|
Hardness |
HRC 44 – 52 |
|
Elongation |
≥ 8% |
|
Surface Condition |
Bright, Polished, Phosphated, Oiled |
Chemical Composition (% Typical)
|
Element |
C |
Si |
Mn |
P |
S |
Cr |
V |
|
Content |
0.47–0.55 |
0.17–0.37 |
0.50–0.80 |
≤ 0.035 |
≤ 0.035 |
0.80–1.10 |
0.10–0.20 |
Customization Services
At Jiangsu Cunrui Metal Products Co., Ltd., we provide tailor-made 50CrVA Spring Steel Wire solutions, including:
Special diameters, lengths, and coil weights
Processing services: cutting, bending, heat treatment, coiling, and welding support
Different surface treatments (oiled, polished, coated, etc.)
Flexible MOQ to meet both small and bulk orders
Price & Delivery
We offer competitive pricing with volume discounts, supported by flexible supply capacity. With sufficient stock for standard sizes, we guarantee fast lead times. For customized orders, production and delivery schedules are carefully controlled to ensure on-time shipment.
Our Strength
Modern production facilities with advanced rolling and heat treatment equipment
Strong R&D and quality control team
ISO & third-party certifications available
Rich export experience to Europe, Middle East, Southeast Asia, and North America
Annual production capacity exceeding 20,000 tons
Service & Support
Quick Response – Inquiries are replied to within 12 hours
Technical Support – Professional guidance for material selection and application
Packaging & Shipping – Export-standard packaging with seaworthy coils, pallets, or cartons
After-Sales Guarantee – Any quality issues can be resolved with replacement or refund policies
FAQ
Q1: What is the typical tensile strength of 50CrVA Spring Steel Wire?
A1: Depending on diameter and heat treatment, tensile strength ranges between 1500 – 2200 MPa.
Q2: Do you provide mill certificates and third-party inspections?
A2: Yes, we supply MTC with each order and accept SGS, BV, or other third-party inspections.
Q3: Can you produce customized sizes and surface finishes?
A3: Absolutely. We support tailor-made dimensions, coatings, and treatments to meet customer requirements.
Q4: What is your minimum order quantity (MOQ)?
A4: We offer flexible MOQ, suitable for both small trial orders and bulk supply.
Q5: How fast can you deliver 50CrVA Spring Steel Wire?
A5: Standard sizes are available from stock, while custom orders typically ship within 15–30 days.
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