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Alloy Steel · Nickel-Molybdenum Alloy Steel Bar

4815 Round Steel Bar

A low-carbon, higher-nickel alloy used for carburized parts requiring toughness and resistance to shock loading. Request Pricing

4815 Round Bar: Material Profile

4815 is considered where nickel-assisted toughness and a wear-resistant carburized case are important in a relatively low-carbon steel.

Specify the material standard, quality level, bar condition, case-depth target, and any impact or fatigue requirements.

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

  • High core toughness
  • Good case-hardening response
  • Good impact resistance
  • Alloy hardenability

Common Applications

  • Aircraft and transmission gears
  • Pinions and shafts
  • Case-hardened bearings
  • Shock-loaded machine 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 a Quote for 4815 Round Bar

The material field is prefilled with 4815 and remains editable. Add the specification, size, condition, quantity, processing, testing, required date, and ship-to location.

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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