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Arm Guard Liner

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Arm Guard Liner

Arm Guard Liner 03

The Arm Guard Liner is a critical protective mechanical part crafted from forged ductile iron (nodular iron), engineered to shield key arm structures in heavy-duty machinery from wear, impact, and corrosion. Leveraging the material’s spherical graphite structure, it delivers a superior balance of performance and durability that outperforms traditional gray iron.

Core Features

  • Boasts exceptional strength and toughness, with high tensile/yield strength and impact resistance to withstand heavy loads and alternating stresses without fracture .
  • Offers excellent wear resistance via self-lubricating spherical graphite, reducing friction and extending service life in abrasive environments .
  • Exhibits good machinability and cost-effectiveness, providing steel-like performance at lower production costs while enabling precise fitting .
  • Features reliable vibration damping and corrosion resistance, adapting to harsh operating conditions including moisture and temperature fluctuations .

Key Applications

Widely utilized across industries: mining machinery (crushers, ball mills, conveyors) for withstanding abrasive rock and heavy impacts ; automotive and agricultural equipment (engine components, tractor axles, harvester parts) to endure dynamic loads ; construction/dredging machinery (excavator arms, cement mixers) for corrosion and wear resistance ; and industrial equipment (gearboxes, hydraulic cylinders) for stable protection of transmission and load-bearing structures . This versatile liner ensures machinery reliability while minimizing maintenance needs.


  • Description
  • Accurate in reading drawings & Fast in delivery & Exact   dimension control & 100% quality control & OEM Service & Strict   material inspection & Prompt quote & lead time guarantee
    1.Product Name:Arm   Guard Liner 
    2.   Material: Ductile Iron
    3.Material Standard:ASTM,AISI,ASME,SAE,NF   EN,DIN EN,ISO,,BS EN,SS,etc.
    4.    Items:FOB   Ningbo or Shanghai,China
    5.    Lead time:30~40   days
    6.    Place of originNingbo,   China
    7.    Software for   specification drawings:PDF,   Auto CAD, Solidworks, JPG, ProE,etc.
    8.    Main production   equipments:Wax   injection, CNC-machine-center, Lathe, Milling machine,Drilling machine,Boring   Lathe,Grinding Machine, Heat treatment Furnace.
    9.Heat Treatment Machine:Mesh-Belt-Furnace,Carburizing   Quench Furnace,Chamer Furnace,etc.
    10.Surface Treatment:Cold/Hot   Zn Plating,Blackening Treatment(Salt Spray Test 48-96 hours),Ni Plating,Cr   Plating,Spraying Undercoat,Anti-Rust Paint,Surface Paint,Plastic Paint,Coated   Anti-Rust Water,Anti-oil,etc.
    11.Surface Heat Treatment:Medium   Frequence Quenching,High Frequence Quenching and Carburizing and   Quenching,Oil Quenching,Water quenching,Normalizing,Temper,Annealing,etc.
    12.Dimension Inspection:Calipers,Height   Laugue,Micrometer Calipers,Inside Caliper Gauge,Angle and R Gauge,Three   coordinates measuring instrument.
    13.    Productivity:50000   pcs / year
    14.    Packaging:Wooden   package after mandatory treatment or other
    15.    They are using for mining equipmentConstruction equipmentAgricultural equipment and others.
    16. We make precision   castinginvestment   casting ,Lost wax casting,Lost foam casting,Silica sol casting and steel sand   casting in Ningbo,   China
    17. Export Markets:① Australia Arm Guard Liner ; ② America,   U.S.A. United States Arm Guard Liner ;    ③Canada Arm Guard Liner ;  ④   U.K. England, Britain Arm Guard Liner ; ⑤ Germany Arm Guard Liner ;  ⑥ France Arm Guard Liner ;  ⑦ Italy Arm Guard Liner  ⑧ Spain Espana elevator comb plate;  ⑨ Holand Arm Guard Liner  ⑩ South Africa Arm Guard Liner ;  ⑾ Danmark Arm Guard Liner  ⑿ Sweden Arm Guard Liner ;  ⒀ Finland Arm Guard Liner 
    18.Supplier:China   Arm Guard Liner  factory;China Arm   Guard Liner  company; China Arm Guard   Liner  Co.,Ltd;China Arm Guard Liner  INC; China Arm Guard Liner  corporation; China Arm Guard Liner  Manufacturer;China Arm Guard Liner  supplier; China Arm Guard Liner , China Arm   Guard Liner  foundry.
    19.Relationship Information: Ningbo Arm Guard Liner  factory; Ningbo Arm Guard Liner  company; Ningbo Arm Guard Liner  Co.,Ltd; Hangzhou Arm Guard Liner  factory; Hangzhou Arm Guard Liner  company; Hangzhou Arm Guard Liner Co.,Ltd;   Zhejiang Arm Guard Liner  company;   Zhejiang Arm Guard Liner  Co.,Ltd.
    If   you have any other question, please feel free to contact us.