impact strength unit conversion

From: Nigel Warden (
Date: Wed May 17 2000 - 16:31:57 EEST

Dr Igor Shishkovsky,

Thankyou for replying to my question. I am not quite sure what your reply is
telling me though.

I have an example of what I am trying to achieve.

American standard ASTM D256:-
Impact strength test (Notched Izod) on laser sintered Polyamide material
supplied by DTM corp. provides a result of 214 J/m.

European standard DIN 53453:-
Notched impact strength test (Charpy) on laser sintered Polyamide material
supplied by EOS (GmbH) provides a result of 3 kJ/m2.

How can I convert the EOS result into the same units as the DTM result?

Which has the greater impact strength?


Nigel Warden

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