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High Accuracy Chrome Plated Steel Bar Neutral Salt Spray Test 500 Hours Hydraulic Cylinder

High Accuracy Chrome Plated Steel Bar Neutral Salt Spray Test 500 Hours Hydraulic Cylinder

    • High Accuracy Chrome Plated Steel Bar Neutral Salt Spray Test 500 Hours Hydraulic Cylinder
    • High Accuracy Chrome Plated Steel Bar Neutral Salt Spray Test 500 Hours Hydraulic Cylinder
  • High Accuracy Chrome Plated Steel Bar Neutral Salt Spray Test 500 Hours Hydraulic Cylinder

    Product Details:

    Place of Origin: CHINA
    Brand Name: DALLAST APT
    Certification: TUV SGS
    Model Number: Model

    Payment & Shipping Terms:

    Minimum Order Quantity: 10
    Packaging Details: wood box
    Delivery Time: 15-25 days
    Payment Terms: T/T
    Supply Ability: 1000000pcs/year
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    Detailed Product Description
    Material: 45# 42CrMo4 40CrMo Neutral Salt Spray Test: NSS 300;500 Hours
    Type: Hollow/Solid Rod Surface Hardness: >HV850
    NSS Testing Standing: Une-en Iso9227:2017 SURFACE ROUGHNESS: Ra≤0.2 Micron And Rt≤2 Micro
    Application Environment: At Sea Or In Harsh Environments Color: Black

    NSS1000 Hours 42CrMo4 Hollow Piston Rod Hard Chrome Plated Steel Bar For Hydraulic Cylinder
     
     
     

    Hollow/Solid Rod
     
    specificationφ3-φ12φ16-φ25φ30-φ50φ55-φ100φ105-φ120
    Length200-2000200-3000200-5000200-100001000-10000

     
    NSS 
    (Neutral Salt Spray test)
     
     

    More than 240 hours ;
    more than 360 hours;
    more than 500 hours ;
    more than 100 hours;

    Surface hardness>860 HV0.1The straightness0.15/1000mm
    Accuracyg6 grade h7 gradeHardened layer depth0.8-3mm
    Roundness tolerance

     

    <=0.01

    APT thickness10um-40um
    Full length tolerance

     

    <=0.02

    The materiel42CrMo4
    Surface roughness

     
    Ra 0.2- 0.4
     

     
    NSS Testing Standing une-en iso9227:2017(Neutral Salt Spray test)
     
    · Sal solution: 50 (+/- 5) g/l of NaCl. Water is demineralized and salt purity is 99.5%.
    · Environmental temperature: 35 °C.
    · pH of salt solution is 6.8.
    · Volumen of salt solution is 38.4 ml/day.
    · Density of salt solution is 1,030 g/cm3.
    · Spraying is 1.5 (+/- 0.5) ml/h.
    Test Result :NSS can endure 300 hours ;500 hours; 800 hours
     
    TUV NSS Testing Report        SGS NSS Testing Report
     
     
    Crafts Process Hardening Force Remove
     
    In the whole crafts process, there are 2 times remove hardening forces: the first remove hardening force in the heat treatment process, hardening force remove is about 80%; the second remove hardening force in the surface treatment process, hardening force remove is about 90%-95%. Therefore, the piston rod is not easily deformed during use or transportation.
     
     

    CHEMICAL COMPOSITION
    MaterialC%Mn%Si%S%P%V%Cr%
    Ck450.42-0.500.50-0.800.040.0350.035  
    ST520.221.60.550.0350.04  
    20MnV60.16-0.221.30-1.700.10-0.500.0350.0350.10-0.20 
    42CrMo40.38-0.450.60-0.900.15-0.400.030.03 0.90-1.20
    40Cr0.37-0.450.50-0.800.17-0.37   0.80-1.10

    MECHANCIAL PROPERTIES

    MaterialT.S N/MM2Y.S N/MM2E%(MIN)CHARPYCONDITION
    CK4561035515>41JNORMALIZE
    CK4580063020>41JQ + T
    ST5250035522 NORMALIZE
    20MnV675059012>40JNORMALIZE
    42CrMo498085014>47JQ + T
    40Cr100080010 Q + T
     

     
    High Accuracy Chrome Plated Steel Bar Neutral Salt Spray Test 500 Hours Hydraulic Cylinder
     

    Contact Details
    Shenzhen Dallast Technology Co., Ltd.

    Contact Person: sales

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