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Crusher Wear Parts

Crusher Wear Parts — Jaw Liners, Cone Mantles & More

Complete range of jaw crusher liners and plates, cone crusher mantles, bowl liners, concaves, cheek plates and gyratory crusher wear parts. Manufactured in austenitic manganese steel (Mn11, Mn14, Mn18) and chrome-moly alloy grades for all major crusher brands worldwide.

Primary Material
Manganese Steel Mn11–Mn18
Secondary Material
Chrome-Moly Alloy Steel
Hardness (as-cast)
170–230 HB
Work-Hardened Surface
500–600 HB
Applications
Jaw · Cone · Gyratory
Standard
ASTM A128
Lead Time
4–8 Weeks
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Product Range

Complete Crusher Wear Part Inventory

Mn14 · Mn18

Jaw Crusher Liners & Plates

Fixed and swing jaw plates for all jaw crusher sizes. Standard and corrugated profiles available. Manufactured in Mn14 for standard quarry applications and Mn18 for heavy primary crushing with large feed sizes and high impact energy.

Mn14 · Mn18 · Chrome-Moly

Cone Crusher Mantles

Head mantle (bowl) and concave (bowl liner) for all cone crusher types — standard, short head and extra short head configurations. Compatible with Sandvik CH/CS, Metso HP/GP, Symons, Nordberg, Terex and all major brands.

Mn14 · Mn18

Concaves & Bowl Liners

Upper and lower concave segments for gyratory and cone crushers. Available as full-circle one-piece or segmented multi-piece configurations. Custom profiles for fine, medium and coarse crushing settings.

Mn11 · Chrome-Moly

Cheek Plates & Side Liners

Side liners protecting the jaw crusher cavity side walls. Manufactured in manganese steel and chrome-moly alloy depending on abrasion conditions. Extended life versions with increased thickness available on request.

Mn14 · Mn18

Gyratory Crusher Parts

Feed plates, mainshaft liners, top shell liner segments and bottom shell liner segments for primary gyratory crushers. Manufactured in heavy-section manganese steel for extremely large mining primary crusher applications.

Chrome-Moly · Hi-Chrome

Impact Crusher Liners

Apron (curtain) liners, side liner plates and rotor segments for horizontal and vertical shaft impact crushers. Available in high chrome iron and martensitic steel for secondary and tertiary crushing stages.

FAQ

Crusher Wear Parts — Common Questions

What manganese grades do you supply for jaw crusher liners?+
We supply austenitic manganese steel jaw plates in Mn11, Mn14 and Mn18 grades per ASTM A128. Mn14 is the most commonly specified grade for general quarry and mining applications. Mn18 provides additional toughness for very high-impact primary jaw crushing.
Can you manufacture replacement cone crusher mantles to OEM dimensions?+
Yes. We manufacture cone crusher mantles and bowl liners for all major brands including Sandvik, Metso, Symons, Nordberg, Terex/Cedarapids and others. Supply the crusher model number or worn mantle and we reverse-engineer an exact replacement.
What is the difference between a jaw liner and a jaw plate?+
Jaw liners and jaw plates are the same component — the replaceable wear surface bolted to the fixed and swing jaw of a jaw crusher. These terms are used interchangeably in the industry. Both are manufactured in manganese steel at Melco Precisions.
Do you supply cheek plates and side liners for jaw crushers?+
Yes. We manufacture cheek plates (also called side liners or side plates) in manganese steel and chrome-moly alloy. Cheek plates protect the side walls of the jaw crusher cavity and are replaced at the same time as the jaw liners.
What is your minimum order quantity for crusher wear parts?+
We do not impose a minimum order quantity. We supply everything from a single set of jaw liners for trial to full-container loads for high-volume replacement schedules.
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