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Precision CNC Machined Case Hardened Alloy Steel Rolls for the Steel Industry

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CNC Machined Case Hardened Alloy Steel Rollers
CNC Machined Case Hardened Alloy Steel Rollers
Case Hardened Alloy Steel Roller End Cap
Case Hardened Alloy Steel Roller End Cap
Custom Case Hardened Alloy Steel Rollers
Custom Case Hardened Alloy Steel Rollers

The Hi-Hard Corporation provides precision CNC machined case hardened, flame and induction hardened steel products. The rolls shown here were manufactured from various metals such as alloy steel, 400 stainless steel, and iron. Various sizes where produced featuring outside diameters from 1.5" to 20", and up to 175" in length.

Manufacturing required precision CNC turning and grinding, as well as dynamic balancing. Heat treatment consisted of flame hardening with case depths of 3/32" to 1/8" per side and induction hardening with case depths up to 1/4" per side, with hardness up to 65 Rc. All of the products we produce are put through rigorous quality control, these rolls where tested for dimensional accuracy, surface finish consistency, and NDT testing. For more information on these precision CNC machined case hardened alloy steel rolls, see the table below.

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Product Description These Flame and Induction Case Hardened Rolls for the Steel Industry can be used for a multitude of light wear applications.
Precision CNC Machining Capabilities Applied/Processes
CNC Machining
Lathe Turning
Heat Treatment
Equipment Used to Manufacture Part
Cylindrical Grinder
Heat Treatment Furnace
Quench Tank
Temper Box
Vertical Mill
Dynamic Balance
Advantages Long Case Depth and Hardness Roll Life
Short Lead Time to Produce
Ideal for Light, Medium, or Heavy Wear Applications
Overall Part Dimensions
O.D.: ø 1.5" to 20" Length: up to 175"
Tightest Tolerances ±0.0002"
Material Used Alloy Steel: 1045, 4140, 4150, 52100, 6150
400 Stainless Steel
Heat Treatment
  • Flame hardening
  • Induction hardening
  • Hardness up to 65 Rc
  • Can draw hardness back to lower levels by tempering
  • Size will vary depending on heat treat method
Material Finish Secondary
  • Ground to desired specification
  • Coatings - chrome, TCC, zinc
  • Shot blast
In process testing/inspection performed
Dimensional Testing
Hardness Testing
NDT Testing
Surface Finish Testing
Industry Focus
Can Flooring
Food Processing
Non-Ferrous Operations
Push Pull Pickle Lines
Steel Service Centers
Steel - Cold Mills
Steel - Pickle Lines
Steel - Galvanizing Lines
Steel - Temper Mill
Steel - Hot Mills
Steel - Plate Mills
Z Mill Operations
Delivery/Turnaround Time 4 Weeks Min
Delivery Location United States
Standards Met Customer supplied print, 2D CAD Drawing
Product Name Case Hardened - Flame and Induction Hardened Products

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