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  4. HD23LC : Participation to ILC Low load Vickers hardness tests

HD23LC : Participation to ILC Low load Vickers hardness tests

HD-LC

Reference of the ILC

HD23LC

References of test methods

ISO 6507-1  ISO 4545  ASTM E92  ASTM E384
       

Frequency

Each year

Main characteristics

HV0,1 - HV1 - HK0,1 - HK1

Other characteristics

HV0,3 - HK0,3
 

Caution The number of determinations may be low for the secundary characteristics, what may make inefficient the comparison between laboratories
       

Determination of the assigned values (“true values” for each characteristic)

By statistical computation of the totality of the results with possible selection on competence criteria (accreditation, validation by a reference body, quantity of tests performed in the year), test to detect possible collusion, merging of results not obtained in reproductibility conditions, suppression of technically unvalid results.

Type of statistical computation

For numerical results, the statistical computation will provide an assigned value with its attached uncertainty, values of standard deviations for repeatability and reproductibility, limits of alerts for bias and repeatability of the participant, indiviual values for uncertainty of results of participants.

Number of products submitted to tests

1

Number of samples per participation

3

Max number of operators per participation

10 (For this CIL, the type of test and sample size allow to provide results determined by several different operators and by several different methods)

Product submitted to tests

Low hardness metal

Type of samples

Parrallelepipeds

Approximate dimensions of samples

25x25x15 mm

Specific preparation to be performed by the participant

None (other than possible necessity to polish the test specimens or to adapt their dimensions to the equipment of the participant)
                   

Special notice for this ILC

Forecast hardness level 150-250 HV. Participants may provide results for several scales.
   

Time schedule:

  

Opening date of registrations

30/11/2022

Registration deadline

15/03/2023

Date of shipment of samples

05/06/2023

Start of the tests

10/06/2023

Deadline for carrying out the tests and providing the results

31/08/2023

Date of delivery of reports

15/10/2023

Note: After the deadline, registrations are still possible. Contact us at ilc@compalab.org for more information.
                       

Price (€)

325

Price if online payment (€)

260

Approximate weight (kg)

1

260,00€ excl. tax - 312,00€ inc. tax

 

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