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Alloy Steel · Nickel-Chromium-Molybdenum Alloy Steel Bar

8630 Round Steel Bar

A medium-carbon alloy steel offering good hardenability, toughness, and strength for loaded mechanical parts. Request Pricing

8630 Round Bar: Material Profile

8630 is used where a through-hardened alloy needs to withstand impact and repeated loading.

It may be supplied annealed, normalized, or heat treated to the applicable specification.

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

  • Good hardenability
  • Good toughness
  • Good fatigue resistance
  • Responsive to heat treatment

Common Applications

  • Shafts and axles
  • Gears and couplings
  • Oilfield components
  • Heavy-equipment parts

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 8630 Round Bar

The material field is prefilled with 8630 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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