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XL Grades Hybrid Design Characteristics

XL610 – Wear improvements with minimal loss of toughness. Used for applications with high compressive strength rock (such as gabbro or taconite) or for designs requiring extended dome configurations.XL615 – More wear resistance than XL610. Used for applications with moderate compressive strength rock (such as schist or gneiss).XL625 – Maximum wear resistance possible in the "XL" grades, with a moderate loss of toughness. Used for applications where premature wear is not acceptable or for very abrasive rock conditions (such asquartzite or sandstone).

"XL" Patented Grades for Percussive Drilling - 30400 •

ATI Firth Sterling's “XL” grades’patented design provides up to a 30%increase in wear resistance (compared to conventional WC-Co grades) without a significant decrease in toughness.

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Higher hardness offers more abrasion resistance, especially in highly abrasive and sliding wear conditions.

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Our new hybrid “XL” grades are designed to dissipate more evenly the heat that causes premature failure.

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“XL” grades can be easily customized for specific applications or areas.

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ATI Firth Sterling's hybrid “XL” grades have increased compressive strength, allowing higher loading without premature breakage.
1297 County Line Road • Madison, AL35756Phone: (800) 221-4273 Fax: (800) 221-1895 e-mail: sales@firthsterling.com www.atifirthsterling.com *Patent Pending