Charpy impact pendulum test at -50°C of a non alloyed steel

Presentation for participants

Reference of the ILC

CL24ME

References of test methods

ISO 148-1

       

Frequency

Each year

Main characteristics

KV₂ (Absorbed energy), LE (Lateral expansion)

Other characteristics

SFA (Fracture appearance)

 

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

1 (it is necessary to order as many participations as there are participating test operators)

Product submitted to tests

Non alloyed steel

Type of samples

Parrallelepipeds

Approximate dimensions of samples

Ø18x120 mm

Specific preparation to be performed by the participant

Machining of test specimens (2 test pieces per supplied sample)

                   

Special notice for this ILC

Temperature for testing: -50°C. Target energy range: 3-50 J.

   

Time schedule:

 

Opening date of registrations

30/11/2023

Registration deadline

30/06/2024

Date of shipment of samples

30/08/2024

Start of the tests

03/09/2024

Deadline for carrying out the tests and providing the results

25/10/2024

Date of delivery of reports

06/12/2024

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

                       

Price (€)

300

Price if online payment (€)

240

Approximate weight (kg)

2