5160 Alloy Spring Steel Bar, also known as 5160 Alloy Spring Steel Rod, is a high-performance chromium spring steel widely recognized for its excellent toughness, fatigue resistance, and wear durability. Manufactured by Jiangsu Cunrui Metal Products Co., Ltd., this material is designed to meet strict ASTM, AISI, DIN, and GB standards. Its optimized chemical composition with added chromium improves hardenability and provides long-lasting strength under repeated stress. All bars are supplied with mill test certificates, third-party inspection reports, and traceable quality documents to ensure reliability for critical applications.
Key Features & Advantages
High toughness & shock resistance – Ideal for dynamic load-bearing components.
Excellent fatigue life – Engineered to perform under repeated stress cycles.
Chromium-enhanced durability – Improved hardness and wear resistance.
Versatile heat treatment – Can be oil-quenched and tempered for different hardness levels.
Certified quality – Fully compliant with international industrial standards.
Applications
5160 Alloy Spring Steel Bar is widely used in industries that demand heavy-duty and long-lasting performance:
Automotive industry – suspension springs, stabilizer bars, and torsion bars.
Agricultural equipment – plow blades, tillage tools, and high-stress components.
Industrial machinery – heavy-duty coil springs, wear parts, and cutting tools.
Military & defense – knives, swords, and shock-resistant parts.
Product Specifications & Technical Data
|
Item |
Specification/Details |
|
Product Name |
5160 Alloy Spring Steel Bar / 5160 Alloy Spring Steel Rod |
|
Standard |
ASTM A29, AISI 5160, GB/T 1222, DIN equivalents |
|
Material |
Chromium Alloy Spring Steel |
|
Diameter Range |
6 mm – 200 mm (custom sizes available) |
|
Length |
2 m – 12 m, cut-to-length available |
|
Tensile Strength |
900 – 1200 MPa (depending on heat treatment) |
|
Yield Strength |
≥ 785 MPa |
|
Elongation |
12–16% |
|
Hardness (HRC) |
28 – 55 (after quenching & tempering) |
|
Surface Condition |
Black, bright, peeled, polished, or coated |
Customization Services
At Jiangsu Cunrui Metal Products Co., Ltd., we provide flexible customization to meet buyers' exact needs:
Special diameters, lengths, and tolerances.
Surface treatments including polishing, oil coating, and black finishing.
Processing services: cutting, machining, drilling, and forming.
OEM/ODM support with drawings and technical requirements.
Flexible MOQ for trial orders, with fast production cycles.
Price & Delivery
We offer competitive pricing and attractive bulk order discounts. Standard sizes are available in stock for immediate shipment, while customized orders are typically delivered within 7–20 working days depending on complexity and quantity.
Our Strength
Modern production base equipped with advanced rolling, forging, and heat treatment facilities.
Strong annual capacity to support both bulk and urgent orders.
Over 15 years of export experience, supplying to Europe, America, Middle East, and Asia.
Professional technical team with rich expertise in alloy steel production and processing.
Certified with ISO 9001 and supported by third-party testing.
Service & Support
Fast inquiry response within 12–24 hours.
Technical consultation for selecting proper grades and treatments.
Safe, seaworthy packaging compliant with international export standards.
Clear after-sales policy – replacements or refunds in case of quality issues.
Long-term cooperation commitment with stable supply and continuous support.
FAQ
Q1: Do you provide samples of 5160 Alloy Spring Steel Bar?
A: Yes, small samples are available, with courier costs covered by the buyer.
Q2: What surface conditions are available?
A: Black, polished, bright, peeled, or coated, depending on customer requirements.
Q3: Can you produce 5160 Alloy Spring Steel Rod according to drawings?
A: Yes, OEM and customized machining services are available.
Q4: What is the typical hardness after heat treatment?
A: The bar can reach HRC 28–55 depending on quenching and tempering parameters.
Q5: Do you accept small orders?
A: Yes, we support flexible MOQ and fast delivery for trial projects.
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