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Auto Industry Wear Resistant SAE 5160

SAE 5160 is a high-carbon chromium alloy spring steel known for its excellent toughness, ductility and fatigue resistance and is widely used in a variety of heavy-duty spring applications in the industrial and automotive industries. SAE 5160 steel is widely used in manufacturing different types of springs, leaf springs, blades, knives, auto industry and truck parts, hand tools, agricultural equipment components, and railway components, etc.
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Product Specifications

Category Parameter Value
Chemical Composition Carbon (C) 0.56–0.61%

Silicon (Si) 0.15–0.35%

Manganese (Mn) 0.75–1.00%

Phosphorus (P) ≤0.035%

Sulfur (S) ≤0.040%

Chromium (Cr) 0.70–0.90%
Mechanical Properties Tensile Strength 724 MPa – 2220 MPa

Yield Strength 275 MPa – 1790 MPa

Elongation at Break ~17% (annealed), ~4% (quenched and tempered)

Young’s Modulus 190 GPa

Hardness 200 – 625
Physical Properties Density 7850 kg/m³

Thermal Conductivity 46.6 W/m·K

Specific Heat Capacity 470 J/kg·K

Linear Expansion Coefficient 1.3 × 10⁻⁵ 1/°C

Electrical Conductivity 4.18 × 10⁶ S/m

Electrical Resistivity 2.4 × 10⁻⁷ Ω·m
Heat Treatment Quenching Temperature 829°C (1525°F), oil quenched

Tempering Range 427–704°C (800–1300°F)
Forging Forging Temperature Range 1149–1204°C (2100–2200°F)


Features

  • Outstanding Toughness 

    SAE 5160’s high carbon-chromium alloy delivers exceptional impact resistance and shock-loading performance for heavy-duty automotive and industrial use.

  • Superior Fatigue Resistance 

    Specifically engineered for cyclic applications, SAE 5160 ensures long service life in springs, leaf springs, and suspension components.

  • High Yield-to-Tensile Strength Ratio 

    With balanced yield and ultimate tensile strength, SAE 5160 enables lighter yet durable spring and tool designs.

  • Excellent Ductility 

    Offers good elongation in annealed condition while maintaining toughness after quenching and tempering—ideal for complex forging operations.

  • Cost‑Effective Wear Resistance Chromium content improves wear resistance without significantly increasing cost, making SAE 5160 ideal for automotive, tools, and blade applications.


Application

  1. Leaf Springs for Automotive & Truck Suspension 

    SAE 5160 is widely used in manufacturing heavy-duty leaf springs for vehicles, offering outstanding fatigue resistance and toughness.

  2. Coil and Torsion Springs in Industrial Machinery 

    Its high tensile and yield strengths make 5160 ideal for compression, extension, and torsion springs across mining, oil & gas, and railroad equipment.

  3. Blade and Knife Manufacturing 

    Thanks to its balance of wear resistance and toughness, SAE 5160 is popular for crafting large fixed‑blade knives, swords, and edged tools.

  4. Agricultural & Heavy‑Equipment Components

     Commonly used in hand tools, plow blades, and pins or shackles that demand durable, wear‑resistant steel under cyclic loading.


FAQ

Q: What is SAE 5160 steel best used for?

A: SAE 5160 is ideal for automotive leaf springs, industrial coil springs, knives, and heavy-duty tools.

Q: Is SAE 5160 steel easy to heat treat?

A: Yes, it responds well to oil quenching and tempering between 427–704°C for enhanced strength and toughness.

Q: Does SAE 5160 offer good fatigue resistance?

A: Absolutely, it's widely chosen for applications with repeated stress due to its excellent fatigue strength.

Q: Can SAE 5160 be forged?

A: Yes, forging is typically done between 1149°C and 1204°C for optimal shaping and performance.


The Management and Staff at Union Steel, have a firm belief that by identifying the customers’ needs, we can achieve the best results for all. Union Steel warmly welcomes friends around the world to cooperate with us.

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