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Tipper design > Dent resistance in tipper bodies

General guidelines for modern tipper bodies

A general guideline for floor plate thickness in a modern half-round design is shown in the table below.

Rock size	Rock weight	Possible floor thickness in Hardox® 500 Tuf
Blast rock boulders	700—1,500 kg (1,543—3,307 lbs.)	8—14 mm (0.315—0.551”)
Blast rocks	300—700 kg (661—1,543 lbs.)	7—8 mm (0.276—0.315”)
Primary crusher larger fraction	100—300 kg (221—661 lbs.)	5—7 mm (0.197—0.276”)
Primary crusher smaller fraction	50—100 kg (110—221 lbs.)	4—5 mm (0.158—0.197”)
Secondary crusher	<50 kg (110 lbs.)	3—4 mm (0.118—0.158”)

Rock size

Blast rock boulders

Rock weight

700—1,500 kg (1,543—3,307 lbs.)

Possible floor thickness in Hardox® 500 Tuf

8—14 mm (0.315—0.551”)

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Rock size

Blast rocks

Rock weight

300—700 kg (661—1,543 lbs.)

Possible floor thickness in Hardox® 500 Tuf

7—8 mm (0.276—0.315”)

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Rock size

Primary crusher larger fraction

Rock weight

100—300 kg (221—661 lbs.)

Possible floor thickness in Hardox® 500 Tuf

5—7 mm (0.197—0.276”)

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Rock size

Primary crusher smaller fraction

Rock weight

50—100 kg (110—221 lbs.)

Possible floor thickness in Hardox® 500 Tuf

4—5 mm (0.158—0.197”)

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Rock size

Secondary crusher

Rock weight

<50 kg (110 lbs.)

Possible floor thickness in Hardox® 500 Tuf

3—4 mm (0.118—0.158”)

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Typical floor plate thickness in modern half-round tipper body design. Note that this table contains general suggestions for SSAB steel products. This report is subject to SSAB’s Terms of Use. It shall be the user's responsibility to verify that the information contained herein is correct and is suitable to be used for the particular purpose and application of the user.

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Tipper design

Dent resistance in tipper bodies

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The information in this report is only applicable to SSAB’s products and should not be applied to any other products than original SSAB products.

This report provides general results and recommendations for SSAB steel products. This report is subject to SSAB’s Terms of Use. It shall be the user's responsibility to verify that the information contained herein is correct and is suitable to be used for the particular purpose and application of the user. The report is intended to be used by professional users only who possess adequate expertise, qualification and knowledge for the safe and correct use of the results and recommendations in this report. This report is provided “as is”. The use of the report is at user’s own discretion and risk and that users will be solely responsible for any use of this report. SSAB disclaims any liability for the content or potential errors of this report, including but not limited to warranties and condition of merchantability or fitness for a particular purpose or suitability for individual applications. SSAB shall not be liable for any kind of direct or indirect damages and/or costs related to or arising therefrom, whether special, incidental, consequential or directly or indirectly related to the use of, or the inability to use, the report or the content, information or results included therein.