Straighteners

Used Straighteners for Sale • Metal Straightening & Material Handling Machinery

... used metal straighteners in stock, ready to ship from our Michigan and Tennessee facilities. Whether you need a compact 6" coil straightener for a small press feedline or a heavy-duty 72" wide metal straightening machine for high-volume production, the inventory below covers widths from 6" to 72" and material thickness capacity from .035" through ½". Browse 5-roll, 7-roll, 11-roll, and 17-roll configurations from the industry’s most trusted names, or filter by width, thickness, or brand to find your match fast. Questions? Call Michigan or Tennessee direct, we’ll help you spec the right machine.


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Used Metal Straighteners & Coil Straightening Machines, Buyer’s Guide

A metal straightener, also called a coil straightener, material straightening machine, stock straightener, or press feedline straightener, removes the cast (curvature) and crossbow that develops in coiled strip material before it enters a press die. Without proper straightening, coil memory causes part-to-part inconsistency, edge wave, and premature die wear. Whether you’re running thin-gauge progressive dies at 900 IPM or feeding advanced high-strength steel (AHSS) into a heavy-capacity press, matching the right straightener to your material and line speed is one of the most critical decisions in feedline design.

The ... machines in our current inventory span a wide range of configurations, from 6"-wide bench-style 5-roll units to 72"-wide heavy-duty industrial straightening machines, covering material thicknesses from .035" through ½" (0.5"). All machines are available for inspection at our Michigan or Tennessee facilities, and video documentation is available on select machines.

Current Inventory at a Glance

Machines in Stock
...
MI & TN locations

Width Range
6" – 72"
Material width capacity

Thickness Range
.035" – .562"
Mild steel equivalent

Roll Configurations
5 · 7 · 11 · 17
Roll counts in stock

Brands We Stock

The straighteners listed on this page represent the most recognized names in coil handling equipment for stamping and metal fabrication. Click any brand to filter the inventory above:

Inventory turns frequently. If you don’t see the brand or specification you need, call us, we often have machines in-house that aren’t yet listed online.

Choosing the Right Used Coil Straightener: Key Specifications Explained

Material Width

The straightener’s width capacity must meet or exceed the widest strip you’ll run. Running material near the machine’s maximum width rating, rather than well under it, typically produces better straightening results, as the outer rolls engage the strip edges more effectively. Common widths in our inventory: 6", 8", 10", 12", 15", 18", 20", 24", 30", 36", 42", and up to 72".

Material Thickness & Roll Diameter

Straightener capacity is always specified as a maximum thickness at a given width, typically for mild steel. Harder materials (stainless, HSLA, AHSS) require derating, often by 40–60% depending on yield strength. Roll diameter is an important and sometimes counterintuitive variable: smaller-diameter rolls are actually required for advanced high-strength steels, because AHSS must be bent more severely around a tighter radius in order to exceed its higher yield point and remove coil set. Conventional straighteners with larger rolls designed for mild steel are frequently inadequate for AHSS applications. Our inventory includes machines with roll diameters from 1.25" up to 3.5"+, covering a wide range of material types and strengths.

Number of Straightening Rolls

More rolls generally means more straightening correction and better results for material with severe coil set. The four configurations in our current stock:

5-Roll: Most economical; suitable for lighter-gauge, narrower strip where coil set is moderate. Common on smaller press feedlines.
7-Roll: The most common configuration in production stamping. Handles a wide range of material types and gauges. The majority of our inventory is 7-roll.
11-Roll: Increased correction for medium-to-heavy gauge applications or materials prone to edge wave.
17-Roll (Precision Leveler): Designed for thin-gauge, close-tolerance work where flatness is critical, often used upstream of progressive dies running fine blanking or tight-tolerance stampings.

Line Speed (IPM / FPM)

Match the straightener’s rated line speed to your press and feeder. High-speed progressive die lines running 500–2,500 IPM need straighteners engineered for those throughputs. Standard production lines in the 25–120 FPM range will find the majority of our inventory well-suited. Machines like the Perfecto 17-roll precision levelers in our stock are rated to 2,500 IPM, while heavy-duty units like ROWE and Littell models are built for slower, higher-torque applications.

Stand-Alone vs. Pull-Through vs. Press-Mount

Stand-alone straighteners are freestanding units positioned in the feedline between the reel/uncoiler and the feeder, the most common configuration.
Pull-through straighteners are driven by the feeder itself rather than a dedicated drive motor, reducing footprint and cost. We carry several Dallas pull-through units in stock.
Press-mount straighteners bolt directly to the press frame, feeding material inline. Common on smaller OBI presses running lighter-gauge progressive tooling.

Straightening Advanced High-Strength Steel (AHSS & UHSS)

Conventional straighteners designed for mild cold-rolled steel (MCRS) are frequently inadequate for today’s advanced materials. AHSS and ultra-high-strength steel (UHSS) present a unique set of challenges: higher yield strengths, greater springback, thinner gauges, and tougher formability requirements all demand a straightener built specifically for the task.

When evaluating a used straightener for AHSS applications, the following design factors are critical:

Roll Diameter & Spacing: Smaller-diameter rolls with closer center spacing are required to generate the bending forces necessary to exceed the higher yield point of AHSS. Standard mild-steel straighteners with large-diameter rolls will not adequately remove coil set from high-strength material.

Roll Depth Penetration: AHSS straighteners require upper rolls with significantly greater travel between the fixed lower rolls, up to 50–60% more penetration depth than a comparable MCRS straightener. This is non-negotiable for achieving proper coil set removal.

Backup Rollers & System Rigidity: The higher forces required for AHSS straightening increase the risk of work roll deflection, which causes edge wave and premature gear failure. Machines with backup rollers at center and intermediate positions, outboard journal support, and heavy-section support bridges are strongly preferred.

Drive Power: Higher tensile strength materials require greater horsepower and torque to pull material through the straightener. Motor power must be calculated against material thickness, width, yield strength, coil weight, and required line speed, not simply the tonnage rating.

If you’re running AHSS, HSLA, stainless, or other high-strength materials and aren’t sure whether a machine in our inventory is rated for your application, call us before you buy, we’ll help you evaluate the specs.

Frequently Asked Questions, Used Metal Straighteners

What is the difference between a metal straightener and a precision leveler?

A standard coil straightener (5- or 7-roll) removes gross coil cast and crossbow from strip material. A precision leveler, typically a 17-roll machine like a Perfecto or Cooper Weymouth leveler, performs a more refined correction cycle that eliminates internal stress and residual curvature, resulting in flat, stress-free material suitable for tight-tolerance stamping. Precision levelers are the right choice when part flatness or springback consistency is critical.

Can I straighten AHSS or high-strength steel on a standard used coil straightener?

Not with most conventional straighteners. Advanced high-strength steels require smaller roll diameters, closer roll spacing, greater roll depth penetration, more robust backup roller systems, and higher drive horsepower than standard mild-steel straighteners provide. A machine rated for .125" mild steel may be completely inadequate for .060" AHSS. If you’re processing high-strength material, share your material spec with us and we’ll identify which machines in our inventory are actually suited to the application.

Can I use the same straightener for stainless steel or aluminum as I do for mild steel?

Yes, with derating. Stainless steel typically requires a straightener rated for roughly twice the thickness capacity of the stainless you’re running (e.g., a machine rated for .125" mild steel may only handle .060"–.070" stainless). Aluminum is softer and can often be run at or near the mild-steel rating. Always consult with our team if you’re running non-ferrous or high-strength materials, roll material and drive capacity become important variables.

Do used coil straighteners come with any warranty or testing documentation?

Select machines in our inventory have been tested under power and have video documentation available, look for the video icon on individual machine listings. We can arrange in-person or remote video inspections on request. Call our Michigan or Tennessee locations for specifics on any machine you’re evaluating.

What brands of used coil straighteners are most reliable?

ROWE, Littell, COE, and Cooper Weymouth are widely regarded as the most robust American-built straighteners, known for heavy castings, long service life, and readily available replacement rolls. PA Industries machines are popular for their compact footprint and integration with servo feedlines. Perfecto precision levelers are the industry standard for high-speed thin-gauge work. All of these brands appear regularly in our inventory.

What is the difference between a straightener and a reel/uncoiler straightener combo?

A stand-alone straightener handles only the straightening function, it requires a separate reel or uncoiler to supply the strip. A reel/straightener combination unit integrates both the coil reel and the straightening rolls into a single footprint, saving floor space and simplifying feedline setup. We carry both configurations, see our Combination Reel & Straightener category for combo units.

How wide a straightener do I need for a 24" wide progressive die?

You need a straightener rated for at least 24" material width. We recommend selecting a machine with capacity at or just above your widest strip rather than significantly oversized, smaller machines typically provide more aggressive roll engagement for a given strip width. Our 24"-wide straightener inventory includes machines from CWP, CHS, and custom-built units in various thickness ratings.

Don’t see what you need? We can help.
With decades in the stamping and coil handling equipment business and two locations, Jackson, MI and Columbia, TN, we carry additional inventory not always shown online. Contact our team directly for specification matching, or browse our complete coil handling equipment inventory including reels, servo feeders, cradles, and complete feedlines.