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Spring Steel SAE 5160 Round Bars / AISI 5160 Bar / Alloy steel 5160 Rods/Rings
295.0 INR/Kilograms
Product Details:
- Type Round Bars, Rods, Rings
- Standard ASTM A29 / AISI / SAE 5160
- Application Automotive Leaf Springs, Heavy Vehicles, Suspension Systems, Agricultural Equipment, Rail and Construction Purposes
- Finish Bright, Black, Peeled, Polished
- Grade 5160
- Material Spring Steel SAE 5160 / AISI 5160 / Alloy Steel 5160
- Length 2 Meter to 6 Meter or Custom Cut Length
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Spring Steel SAE 5160 Round Bars / AISI 5160 Bar / Alloy steel 5160 Rods/Rings Price And Quantity
- 1000 Kilograms
- 295.0 INR/Kilograms
Spring Steel SAE 5160 Round Bars / AISI 5160 Bar / Alloy steel 5160 Rods/Rings Product Specifications
- Spring Manufacturing, Heavy-Duty Formed and Heat-Treated Parts
- 2 Meter to 6 Meter or Custom Cut Length
- Spring Steel SAE 5160 / AISI 5160 / Alloy Steel 5160
- 5160
- Bright, Black, Peeled, Polished
- Automotive Leaf Springs, Heavy Vehicles, Suspension Systems, Agricultural Equipment, Rail and Construction Purposes
- Annealed, Hardened & Tempered, Quenched
- Hot Rolled / Cold Drawn
- 12mm to 350mm
- h9, h11, or as required
- ASTM A29 / AISI / SAE 5160
- Round Bars, Rods, Rings
- Normalizing, Tempering, Quenching
- Squared or Rounded
- 28-32 HRC (Annealed), Up to 52 HRC (Hardened & Tempered)
- Min. 650 MPa
- Free from Surface Defects, Crack Resistant
- 8-12% in 50mm
- 850-1000 MPa (Depending on Heat Treatment)
- Round, Custom Profiles on Request
- Good
Product Description
SAE 5160 (also classified as AISI 5160) is a high-carbon Chromium spring steel. It is renowned for its outstanding toughness, high level of ductility, and excellent fatigue resistance. While it is the "gold standard" for automotive leaf springs, its ability to hold a resilient edge and withstand high-impact shock has also made it a favorite in the cutlery and heavy machinery industries.
1. Technical Profile
The "60" in the name indicates a high carbon content ($approx 0.60%$), which allows the steel to be hardened to high levels, while the Chromium addition ensures deep hardenability and improved resistance to environmental corrosion compared to plain carbon steels (like 1060).
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Resilience: It can undergo significant deflection and return to its original shape without permanent deformation.
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Shock Resistance: Excellent energy absorption, making it less prone to shattering under sudden loads.
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Hardenability: The Chromium ($Cr$) allows for a uniform through-hardening in thicker sections.
2. Chemical Composition
The precise chemistry of 5160 is optimized for "springiness" and structural strength.
| Element | Percentage (%) |
| Carbon (C) | 0.56 0.64 |
| Chromium (Cr) | 0.70 0.90 |
| Manganese (Mn) | 0.75 1.00 |
| Silicon (Si) | 0.15 0.35 |
| Phosphorus (P) | max 0.035 |
| Sulfur (S) | max 0.040 |
3. Mechanical Properties
When quenched and tempered to a spring-temper hardness (typically 4050 HRC), 5160 exhibits:
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Tensile Strength:$1300 text{ MPa}$ ($190 text{ ksi}$)
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Yield Strength:$1190 text{ MPa}$ ($170 text{ ksi}$)
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Elongation:$10% 15%$
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Hardness (Annealed):$approx 220 text{ HB}$ (Supplied in this state for easier machining/forging).
4. Key Applications
While commonly seen as flat bars for leaf springs, 5160 in Round Bar, Rod, and Ring form is used for:
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Coil Springs: Heavy-duty suspension springs for trucks and off-road vehicles.
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Torsion Bars: Systems requiring high torque resistance and return-to-center memory.
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Agricultural Tools: Ploughshares, harrows, and tines that must hit rocks without snapping.
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Forged Rings: Used as high-strength spacers or bearing housings in heavy machinery.
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Blades: Preferred for large knives, swords, and axes due to its "toughness" over extreme "edge-retention" (it is harder to chip than 1095 steel).
5. Heat Treatment & Forging
To achieve spring-like properties, 5160 requires precise thermal handling:
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Forging: Heat to $1100circtext{C} 1200circtext{C}$. Do not forge below $850circtext{C}$ to avoid internal stress fractures.
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Hardening: Heat to $815circtext{C} 845circtext{C}$ and quench in oil.Note: Water quenching is too aggressive for this carbon level and usually causes cracking.
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Tempering:
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For Springs:$430circtext{C} 540circtext{C}$ (Target 4048 HRC).
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For Tools/Knives:$200circtext{C} 300circtext{C}$ (Target 5560 HRC).
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Comparison: SAE 5160 vs. SAE 6150
| Feature | SAE 5160 | SAE 6150 |
| Alloying | Chromium | Chromium-Vanadium |
| Toughness | High | Very High (V-addition) |
| Temperature | Standard Ambient | Better at slightly elevated temps |
| Cost | More economical |
Exceptional Performance for Heavy-Duty Applications
SAE 5160 spring steel bars are engineered to provide excellent strength, toughness, and fatigue resistance. Suited for the production of leaf springs, suspension parts, and heavy machinery, these bars deliver optimal performance under stress and extended service life. Their high carbon and chromium content enhances hardenability and toughness, making them a preferred choice in automotive, rail, and construction sectors.
Customizable Solutions and Superior Surface Finish
Available in a range of diameters (12mm-350mm) and lengths, our 5160 bars can be tailored to your precise requirements. With options for bright, black, peeled, or polished finishes, and profiles such as round or custom, clients can select the most suitable form for their application. Strict processing ensures every bar is free from surface defects and maintains excellent crack resistance.
Reliable Manufacturing and International Standards Compliance
All SAE 5160 round bars, rods, and rings are manufactured in accordance with ASTM A29, AISI, and SAE standards. Comprehensive heat treatment options-including annealing, quenching, and tempering-guarantee the desired hardness, mechanical properties, and dimensional tolerance (h9, h11, or custom). This ensures consistent quality whether you are a dealer, fabricator, or end-user.
FAQ's of Spring Steel SAE 5160 Round Bars / AISI 5160 Bar / Alloy steel 5160 Rods/Rings:
Q: How are SAE 5160 bars processed to achieve specific hardness and strength levels?
A: SAE 5160 bars undergo a series of heat treatments such as normalizing, quenching, and tempering. This allows manufacturers to achieve hardness from 28-32 HRC (annealed) to 52 HRC (hardened & tempered), with tensile strengths ranging from 850 to 1000 MPa depending on the specific process.Q: What applications commonly use Alloy Steel 5160 Round Bars and Rods?
A: These bars are ideal for automotive leaf springs, heavy vehicle suspension systems, agricultural implements, as well as construction and rail components. Their high strength, toughness, and fatigue resistance make them suitable for parts subjected to continuous stress and impact.Q: When should I choose custom profiles or finishes for 5160 bars?
A: Custom profiles or specialized finishes, such as bright, black, peeled, or polished, are selected based on the application's aesthetic, machining, or surface protection requirements. Customization ensures optimal compatibility with unique designs or engineering demands.Q: Where are 5160 grade bars manufactured and supplied from?
A: SAE 5160 bars are manufactured, processed, and exported globally, with India serving as a major source through reputable dealers, suppliers, manufacturers, and fabricators meeting international standard requirements.Q: What benefits does SAE 5160 material provide for spring manufacturing?
A: Due to its excellent elasticity, high tensile strength, and good crack resistance, SAE 5160 is highly valued in spring manufacturing. It ensures springs endure repeated loading without significant deformation or failure.Q: How does the machinability of SAE 5160 steel affect fabrication?
A: The good machinability of SAE 5160 allows for efficient cutting, shaping, and drilling, making it a pragmatic choice for fabricators and machinists working on complex or custom parts.Tell us about your requirement
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