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Commercial Production · Alloy Steel · High-Carbon Chromium Bearing Steel Bar

52100 Round Steel Bar

A high-carbon chromium steel used for bearings and precision wear components requiring hardness and rolling-contact fatigue resistance. Request Pricing

52100 Round Bar: Material Profile

52100 is commonly supplied in a spheroidize-annealed condition for machining before final hardening.

Bearing-quality applications may require strict cleanliness, carbide distribution, decarburization, surface quality, and testing provisions.

Purchase to the controlling ASTM, SAE, AMS, or customer specification. Section size, supply condition, mechanical properties, surface limits, testing, and heat/lot traceability can change the acceptable material and processing route.

Product form Round bar; other long-product forms by inquiry
Condition Hot rolled, cold finished, annealed, or heat treated as required
Quote details Specification, size, condition, quantity, testing, and delivery

Key Characteristics

  • Very high hardness potential
  • Excellent wear resistance
  • High rolling-contact fatigue strength
  • Good dimensional stability with proper processing

Common Applications

  • Bearing races and balls
  • Precision rollers
  • Wear-resistant bushings
  • High-hardness tooling components

Specification Requirements

Identify the governing specification and revision, product form, section size, condition, mechanical properties, testing, and certification requirements. The purchase specification and material certification govern the order.

Request Pricing for 52100 Round Bar

We quote 52100 for manufacturers and commercial buyers. Requirements of 3,000–10,000 lb are welcome, along with multi-ton and truckload programs.

We are not a retail metal store. Small personal-use, typical single-bar, and cut-piece orders are generally not a fit. The material field is prefilled and remains editable; add the specification, size, condition, total weight, processing, testing, required date, and ship-to location.

Up to 4 files, 10 MB each and 20 MB total. PDF, images, DOC/DOCX, XLS/XLSX, CSV, TXT, DWG, DXF, STEP, or IGES. Archives, executables, SVG, and HTML are not accepted.

Fast response: We review website RFQs promptly and reply fast during business hours.

Private RFQ: Details and attachments are available only through authorized staff access. Privacy notice.

Premium Steel Sales
Ohio Bar & Metal Co. is the round bar division of Premium Steel Sales LLC.

Premium Steel Sales handles customer setup and invoicing. Flat-rolled carbon and coated steel can be quoted through the same sales contact.

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