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    Ningbo Brightfast Co.,Ltd: Certificate of Quality En10204 3.1

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    amicikicik
    This certificate provides the results of quality testing for hex bolt DIN931 CL8.8 measuring M6-1.0x25. Testing showed the bolt met standards for chemical analysis, mechanical properties, dimensions, thread tolerance, surface finish and coating adherence. Measurement of tensile strength, yield strength, elongation and other properties were within specified limits.

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    Ningbo Brightfast Co.,Ltd: Certificate of Quality En10204 3.1

    Uploaded by

    amicikicik
    25 views1 page
    This certificate provides the results of quality testing for hex bolt DIN931 CL8.8 measuring M6-1.0x25. Testing showed the bolt met standards for chemical analysis, mechanical properties, dimensions, thread tolerance, surface finish and coating adherence. Measurement of tensile strength, yield strength, elongation and other properties were within specified limits.

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    M6x25

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    This certificate provides the results of quality testing for hex bolt DIN931 CL8.8 measuring M6-1.0x25. Testing showed the bolt met standards for chemical analysis, mechanical properties, dimensions, thread tolerance, surface finish and coating adherence. Measurement of tensile strength, yield strength, elongation and other properties were within specified limits.

    Copyright:

    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd
    Download as pdf or txt
    25 views1 page

    Ningbo Brightfast Co.,Ltd: Certificate of Quality En10204 3.1

    Uploaded by

    amicikicik
    This certificate provides the results of quality testing for hex bolt DIN931 CL8.8 measuring M6-1.0x25. Testing showed the bolt met standards for chemical analysis, mechanical properties, dimensions, thread tolerance, surface finish and coating adherence. Measurement of tensile strength, yield strength, elongation and other properties were within specified limits.

    Copyright:

    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd
    Download as pdf or txt
    of 1

    NINGBO BRIGHTFAST CO.

    ,LTD
    CERTIFICATE OF QUALITY EN10204 3.1

    CERTIFICATE No.:17NBF-063-2
    Date of testing: MAY.05.2018 Standard Reference:
    Customer: PT. KAIROS MULTI SEJAHTERA Mechanical Property: In according to with specification of ISO 898-1
    Invoice: 17NBF-063-2 Dimension: In according to with DIN931
    Surface Treatment: In according to with DIN931

    Product description: HEX BOLT DIN931 CL8.8


    Size: M6-1.0x25
    Surface Finish: BLACK
    Head Mark: 8.8+WF

    1. CHEMICAL ANALYSIS (%)


    C Mn Si P S Ni Cr Mo
    Standard Value 0.32-0.40 0.70-1.00 0.17~0.37 ≤0.035 ≤0.035 ≤0.025 ≤0.025 /
    Test Value 0.35 0.78 0.20 0.016 0.007 0.01 0.02 /

    2. MECHANICAL PROPERTIES
    Yield Stress at
    Tensile 0,2% non tensile Proof Impact
    Elongation Hardnes
    Test Item Strength proportional loads loads test (J) -
    (min. %) s (HRC)
    (min. Mpa) elongation (N,min) (N,min) 20ºC(min)
    (min. Mpa)
    Standard Value 800 640 12 16100 11600 22-32 27
    Test value 810 645 12 16100 11600 23-30 27

    3. DIMENSIONAL ANALYSIS (mm)


    Width across Width Head Thread Nominal Diameter
    Test Item
    flats (s) across height (k) length (b) length (d)
    Max. 10.00 / 4.15 / 25.42 /
    Standard Value
    Min. 9.78 11.05 3.85 18.00 24.58 /
    Test Value 9.88 11.56 4.01 18.52 24.98 /

    4. THREAD TOLERANCE 5. SURFACE FINISH


    Coating
    Surface Adherence
    Test Item GO (6h/6g) STOP (6h/6g) Test Item Thickness
    visual test
    (μm)
    Standard
    Standard Value 6g 6g OK OK OK
    Value
    Test result OK OK Test Value OK OK OK

    Enginerr:Ningbo Brightfast Machinery Industry Trade Co.,Ltd Q.C. CENTER MR WADE

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