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Commercial Production · 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 Pricing for B7 Round Bar

We quote B7 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.

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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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