SAE 52100

SAE 52100

High-Carbon Chromium Steel For Bearing & Precision Applications

SAE 52100 is a high-carbon chromium alloy steel known for its high hardness, wear resistance, fatigue strength and dimensional stability. It is widely used for bearing components and precision mechanical applications.

Available Forms: Round Bars | Tubes | Flats | Custom Sizes

Key Features
Engineered For Hardness, Wear & Fatigue Performance

EXCELLENT WEAR RESISTANCE
High Hardness
Excellent Wear Resistance
High Fatigue Performance
Dimensional Stability
Uniform Hardness
Precision Surface Finish

Category:

Technical Specifications

SAE 52100 — Technical Specifications

Property Specification
Material SAE 52100
Steel Type High-Carbon Chromium Bearing Steel
UNS G52986
Common Related Grades 100Cr6 / 1.3505 / SUJ2 / GCr15*
Carbon (C) 0.98–1.10%
Silicon (Si) 0.15–0.30%
Manganese (Mn) 0.25–0.45%
Chromium (Cr) 1.30–1.60%
Phosphorus (P) ≤ 0.025%
Sulphur (S) ≤ 0.025%
Available Forms Round Bars, Tubes, Flats
Supply Condition Annealed / Hardened & Tempered
Supply Full Length / Cut-to-Size

 

Chemical Composition

Element Composition
Carbon (C) 0.98–1.10%
Silicon (Si) 0.15–0.30%
Manganese (Mn) 0.25–0.45%
Chromium (Cr) 1.30–1.60%
Phosphorus (P) ≤ 0.025%
Sulphur (S) ≤ 0.025%
Iron (Fe) Balance

 

Applications

Here Sae 52100 Is Used
Ball Bearings

For Rolling-element Bearing Applications Requiring High Hardness And Fatigue Resistance.

Roller Bearings

Suitable For Components Exposed To Repeated Rolling Contact.

Bearing Races & Sleeves

For Precision Components Requiring Wear Resistance And Dimensional Stability.

Rollers

Suitable For High-contact Mechanical Applications.

Bushes

For Selected Wear-resistant Mechanical Applications.

Precision Machine Components

Used Where High Hardness, Wear Resistance And Dimensional Control Are Required.

Gears & Related Components

Suitable For Selected High-wear And Cyclic-loading Applications.

Heat Treatment

Heat Treatment For High Hardness & Wear Resistance

Sae 52100 Is A Through-hardening Bearing Steel. Heat Treatment Is Used To Develop Its Characteristic High Hardness And Wear Resistance.

Spheroidize Annealing

Used To Obtain A Machinable Microstructure Before Final Hardening.

Hardening

Typical Austenitizing Temperatures Are Around 830–870°c, Depending On The Specific Process And Section Size.

Quenching

Oil Quenching Is Commonly Used Following Hardening.

Tempering

Low-temperature Tempering Is Commonly Used After Hardening To Obtain The Required Hardness/Toughness Balance.

Available Forms

Available In The Form You Need
Round Bars

Suitable For Bearing Components, Rollers, Shafts And Precision-machined Parts.

Tubes

Suitable For Specialised Bearing And Precision Engineering Applications.

Flats

For Machining And Specialised Industrial Requirements.

Custom Sizes

Material Can Be Prepared According To Specified Dimensions, Subject To Availability.

Full Length

Available According To Tsi Metals’ Stock And Size Requirements.

CTA: Request Custom Size →

The Reference Page Specifically Lists Round Bars, Tubes And Flats For Sae 52100.

Supply Condition

Supply Condition
Annealed

Suitable For Machining Before Final Heat Treatment.

Spheroidized Annealed

Suitable For Preparing The Microstructure For Machining And Subsequent Hardening.

Hardened & Tempered

For Applications Requiring High Hardness And Developed Mechanical Performance.

Full Length

Supplied According To Available Stock Dimensions.

Cut-to-size

Prepared According To Customer Requirements.

The Reference Page Lists Annealed / Hardened & Tempered As Available Conditions.

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