Alro Steel was established in 1948 by Al and Robert Glick and has grown to include Alro Plastics, Alro Industrial Supply and Alro Metals Outlet.
888-888-2576

Processing Capabilities

Alro’s Thermal Processing services gets you this much closer to your finished product.

Thermal Processing

Stress Relieving diminishes the residual stress in steel caused by working the material (i.e. flame cutting, forming, rolling, casting, machining, welding, bending, straightening). This is accomplished by reheating the steel then cooling it at a slower rate.

Benefits:
  • Stress Relieving can be performed before grinding on parts that require light machining
  • Often used on weldments


Normalizing
is accomplished by heating the metal above the transformation temperature, then cooling it in still or slightly agitated air.

Benefits:
  • Refines/reduces the grain size of steels that have been subjected to high temperatures
  • Prepares steel for heavy machining
  • When machined, provides a better surface finish


Annealing
is accomplished by heating the metal just below the transformation temperature, then cooling in a controlled cycle which limits the cooling rate and brings the temperature down slowly.

Benefits:
  • Softens metal
  • Changes mechanical/electrical properties
  • Aids in dimensional stability
  • Greatly improves forming and bending


Equipment Capacity Tolerance  Min Hole Size Max Plate Capacity Material
Annealing Max Temperature
= 1400˚ F
Length of Program
 = 23 Hours
NA 96” x 144” Carbon/Alloys Only
Normalizing Max Temperature
= 1650˚ F
Length of Program
 = 9 Hours
NA 96” x 144” Carbon/Alloys Only
Stress Relieving Max Temperature
= 1300˚ F
Length of Program
 = 9 Hours
NA 96” x 144” Carbon/Alloys Only

Our furnace is 96” wide x 144” long x 54” high with a weight capacity of 30,000 lbs. Order flame cut to customer specifications, annealed and ready to ship to specified location. Alro’s Thermal Processing services gets you this much closer to your finished product.