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Tartan Rolled Bar Quality

Tartan Bars are a unique forged round bar offered only by Scot Forge. These round bars are available in ferrous and non-ferrous materials and custom sizes from 6" to 16" diameter with lengths up to 35'. They feature forged sound centers with rolled bar surface quality and tight dimensional tolerances, ideal for applications with harsh environments, such asAerospace,Nuclear,Oil & Gas,MiningandInfrastructure.

Tartan Bars Versus Rolled Bars

  • Rapid delivery—turnaround in 2-4 weeks (breakdowns even quicker)
  • Custom sizes—6" to 16" in ferrous and non-ferrous grades
  • High or low quantities—so you have better control over your inventory levels
  • Competitive prices—due to the efficiency of our process
  • Elimination of rejections—due to high-strength forged sound centers
  • A perfect solution to meeting your breakdown or just-in-time customer requirements
  • Improved straightness—1/8" in any 5' is standard; 1/16" in any 5' is available

Why Tartan Bars Are Unique

Tartan Bars are produced by combining a preliminary forging process, which consolidates the center, with a planishing operation, which provides a smooth-rolled bar surface. At the heart of the operation is our custom-designed, computer-controlled GFM single-stand planishing mill. Through a series of reversing passes, the planishing mill rolls the bar to a smooth surface in less than five minutes.

While still hot, the bar moves down the GFM mill to the Braun abrasive saw station for trimming. A 16’ round can be cut in less than half a minute. To complete the process, the bar is end-stamped for traceability by an automated programmable marking system. The bar is then slowly rotated down an automatic uniform cooling bed to maintain straightness.

酒吧可以产生高效以来the planishing mill, delivery times are reduced. Unlike traditional hot-rolled bars, which can only be manufactured in large runs, forged Tartan Round Bars can be purchased in quantities as small as the product of one ingot.

Carbon, alloy, stainless steel, copper-based, and other ferrous and non-ferrous high-quality starting material are heated to forging temperature in car tip up/box furnace.

Hydraulic open die presses (3,000, 2,000 or 1,250 ton) forge the heated material to both consolidate the center for soundness and size the material in preparation for bar mill processing.

Finish rolling (or planishing) begins as the forged bar goes through one of the four hyperbolic grooves of the custom-engineered GFM bar mill. The desired final dimension is reached after a series of bar rotations and reversing passes through the grooves, taking less than 3 minutes to complete.

While still hot, bars are cut to size by a Braun abrasive saw. A 16" round can be cut in less than half a minute.

Bars are end-stamped for traceability by an automated programmable marking system.

Bars are slowly rotated down an automatic uniform cooling bed to maintain straightness.

A 50,000 gallon quench tank and nine tip up furnaces have been custom-designed to efficiently handle any bar requirement. Process options include normalize, anneal, solution anneal, quench and temper, and stress relieve.

A custom-built Hetran bar peeler provides fast, centerless machining to extremely smooth surfaces. This peeling process takes less than one-fourth the time of conventional turning operations.

Ultrasonic inspection can be performed on Tartan Bars® to assure a sound, quality product.

Forged Round Bar

    Tartan Bars®

    Rolled Bars

    Guaranteed sound centers

    Yes

    No

    Custom sizes

    Yes

    No

    Standard straightness

    1/8" in any 5'

    1/4" in any 5'

    Special straightness

    1/16" in any 5'

    1/8" in any 5'

    Typical lead time

    2 to 4 weeks

    2 to 4months

    Process Highlights

    As stated above, Tartan Round Bars are produced by combining a preliminary forging process, which consolidates the center, with a planishing operation, which provides a smooth-rolled bar surface. The rolling/planishing mill equipment used in the process includes:

    • GFM horizontal rolling mill stand CCR 830 HP
    • Braun hot abrasive cut-off saw
    • Automated stamping system
    • Cooling bed

    Scot Forge Difference

    At Scot Forge, we know the importance of getting your parts on-time, as expected. However, for customers new to procuring forgings, ordering a forging that will meet all specifications for end-use applications may be a challenge, which is why finding a trusted supplier and partner is essential. Our employee-owners are here to ensure your project stays on track with our forgings by offering:

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    We offer many size forgings in both standard and unique geometries to meet your needs.

    Pro Tip - Did you know near-net shapes can save you time and money? Oftentimes, a customer calls to order a disc, which they will later machine down to a more shaped part. By working with our technically trained sales team you can get as close to your finished product shape as possible to optimize your production process.

    We can help you today!

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    Through the unwavering commitment of our employee-owners, we will forge a better future for those we serve: our customers, fellow owners, suppliers and communities. The foundation of our commitment is our unique employee-owned culture, which embodies the values of safety, personal accountability, integrity, continuous improvement, learning and collaboration.
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