EN 2832-1993 pdf download

07-20-2021 comment

EN 2832-1993 pdf download.Aerospace series-Hydrogen embrittlement of steels Notched specimen test.
This EN 2832 specifies the method for the notched specimen test, which is used to assess the hydrogen embrittlement of steels during chemical or electrolytic surface treatments.
It is applicable whenever referenced.
2 Apparatus
Any device allowing a constant load to be applied to the test specimens may be used, i.e. direct load machines. dynamornetric rings, etc.
3 Test specimens
3.1 Material and heat treatment
They shall he identical with those of the parts. However, the purchaser may require to use a reference material and heat treatment.
3.2 Dimensions
See Figure 1 and Table 1.
3.3 Surface treatment
It shall he carried out as on the parts and ensure that the thickness of the deposit at the notch root is the same as that specified for the parts.
3.4 De-embrittlement
It shall be carried out as for the parts.
4 Procedure
The test specimens shall be subjected for 200 h. at ambient temperature, to an axial load equal to (75 ± 2) % of the tensile strength of a notched uncoated specimen.
5 Fault sanction
No fracture is permissible before 200 h.
6 Test report
It shall include the following:
— reference to this standard:
— reference numbers and types of the test
specimens:
— nature of the coating:
— thickness of the coating:
— test result.EN 2832-1993 pdf download.

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