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Specification · ASTM A193 Alloy Steel Bolting Grade

B7 Round Steel Bar

A chromium-molybdenum alloy bolting grade used for high-temperature and high-pressure service. Request Pricing

B7 Round Bar: Material Profile

Grade B7 is commonly supplied under ASTM A193 with heat treatment and mechanical requirements established by the standard.

Diameter, thread condition, length, testing, marking, and certification requirements should be included with the inquiry.

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 tensile strength
  • Heat-treated alloy steel
  • Good elevated-temperature capability
  • Established bolting specification

Common Applications

  • Stud bolts
  • Pressure-vessel bolting
  • Flange connections
  • Petrochemical and power-generation equipment

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 B7 Round Bar

The material field is prefilled with B7 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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