Discover the Heat Treating, Stress Relieving, and Grit Blasting Advantage at Conrex Steel

We service a wide range of industries including construction, foundry, heavy machinery, hydroelectric power, mining, nuclear, oil and gas, military, and steel mills.

  • We can post weld heat treat small to large size Tank Heads and Pressure Vessels.
  • With two very large furnaces, we can perform various heat treatments such as Stress Relief, Normalize and Quench and Temper.
  • Our furnaces are capable of heating up to 1950°F. We have the ability to add up to 9 thermocouples on one furnace and 11 thermocouples on our second furnace to monitor and control the furnace temperature.
  • Our Furnace is TUS (Temperature Uniformity Survey) certified to accurately monitor temperatures of your parts during heat treatment.
  • We also have a 197” diameter – 11,500 gallon mechanically agitated water tank for quench and temper processes.
  • We can heat treat parts as large as 16’ x 31’ and as heavy as 40 tons.
  • Our material handling capabilities include fork trucks with the upward capacity of 30 tons, a 60-ton electronic 4X4 transfer cart and two 20-ton cranes for a maximum of 40 tons lifting capacity.
  • We offer Stress Relieving as an overnight service for next day pickup.
  • We can perform various industry standard Stress Relieving such as ASME Section VIII, CSA W59, AWS D1.1 or We can custom tailor heat treatment requirement to meet your specific needs.
  • In addition to our Stress Relieving services, we also provide Blasting Services as a post-production offering. Our grit blast booth effectively and efficiently removes plate scale and rust from carbon steel plate, pipe, beams and fabrications.


If you have even larger and heavier parts that need heat treating, blasting or advanced coating requirements we’re there for you, with our two industry-leading divisions: Aberfoyle Metal Treaters, and Teff-Line Ltd. And remember, we’re also your go-to for forming services like Joggled Heads, Conventional Tank Heads, Segmental Tank Heads, Formed Elbows, and Spheres.

We’re locked and ready to deliver stress relieving and grit blasting. REQUEST A QUOTE

Heat Treatment & Blasting Capabilities

Heat Treatment Types

Stress Relieving
Post Weld Heat Treatment

Quench & Temper

Furnace One

Furnace Type: Car Bottom
Size: 16’ Wide X 31’ Long X 11.5’ High

Temperature: Up to 1950°F
Thermocouples: Type K

Furnace Two

Furnace Type: Car Bottom
Size: 20’ Wide X 20’ Long X 8’ High

Temperature: Up to 1950°F
Thermocouples: Type K

Blast Booth


  • 25’ Wide X 35’ Long X 16’ High

Blast Standards:

  • Commercial Blast (SSPC-SP6)
  • Near White (SSPC-SP10)

Additional Information

Industry Focus
  • Pressure Vessel and Tank
  • Boilers
  • Water Treatment
  • Construction
  • Foundry
  • Heavy Machinery
  • Hydroelectric Power
  • Military
  • Nuclear
  • Oil & Gas
  • Transportation
  • Steel Mills
  • Mining
Industry Standards
  • ASME Section VIII, Division 1 (U stamp)
  • ASME Section VIII, Division 2 (U2 stamp)
  • CSA W59
  • AWS D1.1

Products and Services

  • Small diameter Stainless Steel conventional tank heads

    Products and Services

    Conventional Heads

    At Conrex Steel, we specialize in the fabrication of conventional tank heads, from alloy, and low alloy steels, stainless clad, and SA516 grade 70 carbon steel.

  • JoggledHead_770x575

    Products and Services

    Joggled Tank Heads

    Conrex Steel has strategically chosen the most popular head sizes in the market today. Ranging in diameter from 37” up to 70”, with thicknesses up to 3/8 inch, and available in Carbon and Stainless materials.

  • Hemispherical segmental head trial fitting being carried out at Conrex Steel facility

    Products and Services

    Segmental Heads

    At Conrex Steel, we manufacture segmental tank heads, servicing a wide variety of industries.

  • Sphere fabrication final product

    Products and Services

    LPG Storage Spheres

    In conjunction with our key partners, we have the ability to produce storage spheres with little restriction on size.

  • Large 2 piece constructed formed elbow formed by Conrex Steel

    Products and Services

    Formed Elbows and Special Pressing

    At Conrex Steel, we utilize innovative processes and customized equipment to form uncommon shapes.

With over 150 years of engineered driven expertise,
Conrex Steel is a recognized leader within the tank head industry.

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