HWD, NHWD, and SM values seems to be inflated

Question

hello I'm using EN15804 add on version 2, ecoenvent 3.12 and OpenLCA 2.7.0 version 

however, HWD, NHWD, and SM values seems to be inflated what should I do?

below results are for 1 kg hot rolled steel.

Answer 1

see the same question here: https://ask.openlca.org/10536/difference-steel-rolled-coils-steel-alloyed-from-ecoenvent. This comes from the background database.