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High Manganese Steel Casting Hammer
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High Manganese Steel Casting Hammer

High manganese steel casting hammers (Mn13, Mn18Cr2, Mn22Cr2) are critical wear parts in crushing equipment used for rock, ore, cement, and recycling applications. Thanks to their unique work-hardening property, these hammers become harder under impact, significantly outperforming traditional high-carbon steels and alloy hammers in severe abrasion conditions.

✔ Longer lifespan (2–3x standard steel hammers)
✔ Reduced operational costs (less downtime & replacement frequency)
✔ Custom-fit solutions (compatible with Metso®, Sandvik®, Terex®, and more)

→ Ideal for industries: Mining | Quarrying | Cement | Recycling | Aggregate Production 

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    product details

    Why Choose Our Manganese Steel Casting Hammers

    1. Advanced Material Composition

      *  High Manganese Content (11-14%): Enhances toughness and work-hardening capability.

      *  Chromium Addition (18Cr2, 22Cr2): Boosts corrosion & wear resistance in harsh environments. 

      *  Low Carbon & Nickel Content: Balances hardness & ductility to prevent premature cracking. 

      *  Metallurgical Testing: Every batch undergoes spectral analysis, Charpy impact tests, and hardness verification.  


    2. Performance

      *  Work-Hardening Effect - The hammer surface hardens under repeated impact, increasing wear resistance over time.  

      *  Optimized Weight Distribution - Precision-cast for smooth operation & reduced vibration in crushers.   

      *  Non-Destructive Testing (NDT) - Ultrasonic & magnetic particle inspection ensures defect-free castings. 


    3. Industry Applications

      *  Mining: Crushing copper, gold, and iron ore in ball mill & jaw crusher systems.

      *  Cement Plants: High-volume limestone processing (1000+ tons/day). 

      *  Recycling: Shredding concrete, asphalt, and demolition waste (30% longer life vs. standard hammers). 


    4. Customizable Solutions

      *  OEM Compatibility: Fit for Metso LT1213, Sandvik QI341, Terex Pegson 1412, etc. 

      *  Weight & Design Adjustments: Balanced CAD-modeled hammers to reduce machine wear.

      *  Bulk Order Programs: Discount pricing for truckload quantities (50+ hammers). 

    Key Specifications & Performance Data of Material
    Property Mn13 Mn18Cr2  Mn22Cr2 
    Hardness (Initial) 190-220 HB 200-240 HB 220-260 HB
    Hardness (Work-Hardened) Up to 450 HB Up to 500 HB Up to 550 HB
    Impact Toughness (J/cm²) ≥120 ≥150 ≥180
    Main Applications Medium abrasion (limestone, coal) High abrasion (granite, basalt) Extreme abrasion (iron ore, slag)
    Expected Service Life 8–14 months 12–24 months 18–30+ months

    Note: Lifespan varies based on feed material, crusher type, and operational conditions.

    Industry-Recognized, Real-World Performance

    ✅ Case Study: A copper mine in Chile replaced standard hammers with our Mn18Cr2 model, increasing service life from 6 to 18 months and reducing replacement costs by 40%.

    ✅ Verified Compliance: All hammers meet ASTM A128, DIN 1.3401, and GB/T 5680 standards.

    ✅ Global Supply Chain: Fast shipping from US, EU & Asia warehouses (15–30 days lead time). 

    Get Started with Your Manganese Casting Project

    123.png Free Design Review – Optimize for manufacturability & cost

    123.png Fast Tooling (15-20 day lead time) – Lost Foam Casting Process or Shell Mold Casting Process

    123.png MOQ from 1,000 pcs (bulk discounts available) 

    123.png Technical Backing: Material certs available per ASTM A128 Austenitic Manganese Steel Standard

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    PRODUCTION FOLW CONTROLCONTROL

    control 1_1

    Raw Material Quality Control

    1. Strictly monitor the chemical composition, purity, and impurity levels of metal materials (e.g., pig iron, scrap steel, alloys).
    2. Conduct performance tests (e.g., permeability, strength) on auxiliary materials such as casting sand and binders.
    control 2_1

    Melting Process Control

    1. Precisely control melting temperature (avoid overheating or insufficient heating).
    2. Ensure compositional uniformity with rapid chemical analysis before pouring.
    3. Perform deoxidation and degassing (vacuum melting for critical castings).
    control 3_1

    Mold/Core Quality Control

    1. Mold dimensional accuracy must meet drawing requirements (focus on parting surfaces, draft angles, etc.).
    2. Sand compactness, moisture content, and permeability must comply with process standards.
    3. Monitor curing levels for special processes like resin sand and lost foam casting.
    control 4_1

    Gating System Design Control

    1. Scientifically design gating systems (sprue, runner, and ingate ratios).
    2. Control pouring temperature (typically 50-150°C above the liquidus line).
    3. Use appropriate pouring speeds to avoid turbulence-induced gas entrapment.
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    Solidification Process Control

    1. Implement directional solidification techniques (e.g., mold temperature control, chill placement).
    2. Apply progressive solidification for critical components.
    3. Monitor cooling curves against expected profiles.
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    Post-Processing Control

    1. Strictly manage timing and methods for sand removal and riser cutting.
    2. Standardize heat treatment (annealing/normalizing/quenching with parameter logs).
    3. Control aging treatment time and temperature.
    control 7_1

    Dimensional & Defect Inspection

    1. Full-scale dimensional inspection (100% verification of critical dimensions).
    2. Apply non-destructive testing (X-ray, ultrasonic, magnetic particle inspection, etc.).
    3. Sample tests for microstructure and mechanical properties.
    control 8_1

    Traceability Management

    1. Maintain comprehensive records per batch (heat number, operators, timestamps, etc.).
    2. Archive process inspection data and visual documentation.
    3. Establish a complete quality file system.
    CERTIFICATE
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    One-stop serviceSSERVICES

    why_1
    CNC MACHINIG
    ✔ Multi-Material Machining — Aluminum, Steel, Titanium, Stainless Steel (17-4 PH), Plastics, etc.
    ✔ Multi-Axis CNC Machining — 3/4/5 Axis CNC for Complex Geometries
    ✔ Precision Grinding & Polishing — Surface Finish up to Ra 0.4μm
    ✔ Customized Production — From Small-Batch Prototyping to Large-Scale Mass Production
    ✔ Rigorous Quality Control — Full-Process CMM Inspection, Compliant with ISO 9001 Standards
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    hEAT TREATMENT
    We offer customized heat treatment processing services, 
    ✔  Annealing (eliminates internal stress, improves machinability) 
    ✔  Quenching & Tempering (enhances hardness and toughness) 
    ✔ Precipitation Hardening (e.g., 17-4 PH, H900/H1150) 
    Carburizing & Nitriding (improves surface wear resistance) 
    ✔  Vacuum/Controlled Atmosphere Heat Treatment (prevents oxidation, suitable for precision components)
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    SURFACE TREATMENT
    ✔ Coatings & Platings:
    ○ Electroplating (Zinc Plating, Nickel Plating, Chrome Plating, Electroless Nickel Plating, etc.)
    ○ Anodizing (Hard Anodizing for Aluminum, Color Anodizing)
    ○ PVD/CVD (TiN, CrN, DLC, and Other Hard Coatings) ○ Thermal Spraying (Plasma Spraying, Arc Spraying)
    ✔ Conversion Coatings:
    ○ Passivation (Stainless Steel, Aluminum Alloys)
    ○ Phosphating (Rust Prevention for Steel, Enhanced Paint Adhesion)
    ○ Blackening/Bluing (Aesthetics and Basic Rust Resistance)