2013

MnSteels, LLCMnSteels, LLC

MnSteels, LLC Premium Manganese Crusher Parts

www.mnsteels.com

Foundry Foundry

- Great Wall Foundries

- Founded in 1985

- Located in Guangxi

- ISO 9001: 2008

- 40,000 square meters (430,000 sq ft)

MnSteels, LLC Premium Manganese Crusher Parts

www.mnsteels.com

Product: Manganese Steel Wear PartsProduct: Manganese Steel Wear Parts

- Jaw Crusher Plates

- Cone Crusher Mantle & Concave

- Other Manganese Steel Wear Parts

MnSteels, LLC Premium Manganese Crusher Parts

www.mnsteels.com

CapacitiesCapacities

- Annual castings: 8,000 tons (18 MM lbs)

- 14%, 18% & 21% Manganese Steels

- Maximum Melt: 8 tons (18,000 lbs)

- Unit Weight: up to 6 tons (13,000 lbs)

- Product Thickness: up to 350 mm (14 inches)

MnSteels, LLC Premium Manganese Crusher Parts

www.mnsteels.com

StrengthStrength

Heat Treatment Expertise

Proven Casting Technique

Standardized Process Management

Clean Steel Melt

MnSteels, LLC Premium Manganese Crusher Parts

www.mnsteels.com

• Strict chemical composition control• Clean steel smelting

•Argon blowing in furnace & ladle•Proprietary melt refining technology•Extremely low oxygen and hydrogen level

• Every melt must pass bend testing• Traceable records for each melt

•Chemical composition•Melt time •Melt temperature•Melt refining parameter•Bend testing results•Pouring temperature

Clean Steel Melt

MnSteels, LLC Premium Manganese Crusher Parts

www.mnsteels.com

• Castings are loaded based on thickness• Proper heat treatment plan for every casting• Special designed ovens

•Higher efficiency •Sealed •Better temperature control•Faster for castings removal

• Quenching •Controlled constant water temperature•Running water with additional pumped circulation•Controlled quenching time•45 seconds from oven to water

Heat Treatment Expertise

MnSteels, LLC Premium Manganese Crusher Parts

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• “Die Casting with Sand Layer” Technique for Cone Crusher Liners

•Steel pattern•Unique flasks•All around chills•Effective in gate design

• Advantages:•Proper method for gas release•Better grain size•Better surface quality•Controlled flow•Less defects•Accurate dimensions•Consistent results

Proven Casting Technique

MnSteels, LLC Premium Manganese Crusher Parts

www.mnsteels.com

•Supplier profile•Testing results•Purchase records•Inventory management

•Temperature•Binding agents •Sleeves used•Sand type•Coating supplies

•Machining time•Defects and repairs•Product dimensions•Paint used•Product weight

Material Mold Making Melting

Heat Treatment Machining QA

•Material added •Melt temperature •Pouring temerature•Pouring time•Argon used record•Refining process

•Items loaded •Product thickness•Water temperature•Unload time•Cooling time

•Chemical composition•Metallographic•Grain size•Product dimensions•Defects and repairs•Heat treatment graph

Standardized Process Management

MnSteels, LLC Premium Manganese Crusher Parts

www.mnsteels.com

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