Special Steel 52100 Bearing Steel

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According to industry experts, 52100 Bearing Steel stands out for its exceptional combination of hardness, wear resistance, and fatigue life, making it indispensable in bearing applications. Its reliable performance and consistent quality make it a preferred choice for critical components requiring high durability and precision.

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Table of Contents

Unveiling the Marvels of 52100 Bearing Steel: A Comprehensive Exploration

Introduction

In the realm of metallurgy, certain alloys emerge as shining examples of innovation and engineering excellence. One such marvel is 52100 Bearing Steel, celebrated for its exceptional properties crucial for bearing applications. Join us as we embark on a journey to uncover the intricacies and advantages of this remarkable alloy, delving into its composition, properties, applications, suppliers, pricing, and expert insights.

Overview of 52100 Bearing Steel

52100 Bearing Steel stands out for its high hardness, excellent wear resistance, and good fatigue life, making it a top choice for bearing applications.

Chemical Composition

ElementPercentage
Carbon (C)0.95-1.10%
Chromium (Cr)1.30-1.60%
Manganese (Mn)0.25-0.45%
Silicon (Si)0.15-0.35%
Phosphorus (P)0.025% max
Sulfur (S)0.025% max
Iron (Fe)Balance

Mechanical Properties

  • Hardness (Rockwell C): 60-67 HRC
  • Tensile Strength: 725-930 MPa
  • Yield Strength: 470 MPa
  • Elongation: 10% (in 50mm)

Standards

  • ASTM A295: Standard Specification for High-Carbon Anti-Friction Bearing Steel
  • SAE J404: Chemical Compositions of SAE Alloy Steels

Exploring the Features and Advantages

52100 Bearing Steel boasts a plethora of features and advantages that make it an ideal choice for bearing applications.

Features

  • High hardness and wear resistance
  • Excellent rolling contact fatigue strength
  • Good machinability and formability
  • Uniform and fine-grained microstructure
  • Consistent and reliable performance under heavy loads

Advantages

  • Widely used in various types of bearings, including ball bearings, roller bearings, and thrust bearings
  • Provides exceptional durability and reliability in demanding operating conditions
  • Offers potential cost savings due to extended bearing life and reduced maintenance requirements
  • Can be heat treated to achieve desired hardness and mechanical properties

Comparison Between 52100 Bearing Steel and Competing Alloys

Let’s compare the advantages and disadvantages of 52100 Bearing Steel with a competing alloy, Alloy X:

Parameter52100 Bearing SteelAlloy X
HardnessHighModerate
Wear ResistanceExcellentGood
Fatigue LifeExcellentModerate
MachinabilityGoodModerate
CostModerateHigher

Applications and Uses

From automotive to aerospace industries, 52100 Bearing Steel finds widespread application in various types of bearings and related components.

IndustryApplications
AutomotiveWheel bearings, transmission gears
AerospaceAircraft engine bearings, landing gear assemblies
IndustrialConveyor rollers, machine tool spindles

Navigating Suppliers and Pricing

Sourcing 52100 Bearing Steel requires careful consideration of reliable suppliers offering quality products at competitive prices.

SupplierPrice Range (per unit)Description/Notes
TimkenSteel$1.50 – $3.00 per poundLeading manufacturer of high-quality bearing steels
JIS Steel Corporation$1.80 – $3.50 per poundSpecializes in providing steel solutions for bearings
Nippon Steel$1.60 – $3.20 per poundOffers a wide range of bearing steel grades

FAQs about 52100 Bearing Steel

Q: What is the typical hardness of 52100 Bearing Steel?
A: The typical hardness of 52100 Bearing Steel ranges from 60 to 67 HRC.

Q: Can 52100 Bearing Steel be used for high-speed applications?
A: Yes, 52100 Bearing Steel can be used for high-speed applications due to its excellent rolling contact fatigue strength.

Q: What are the common applications of 52100 Bearing Steel?
A: Common applications include wheel bearings, transmission gears, and aircraft engine bearings.

Q: Where can I buy 52100 Bearing Steel?
A: You can source 52100 Bearing Steel from reputable suppliers such as TimkenSteel, JIS Steel Corporation, and Nippon Steel.

Q: What specifications does 52100 Bearing Steel conform to?
A: This alloy steel conforms to standards such as ASTM A295 and SAE J404, ensuring compliance with stringent quality requirements.

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