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Tata Steel
85 EPDs
EPD: Sandwich panels with PIR core and double steel siding (Nippon Steel)
1.The cold-rolled steel sheets manufactured by Nippon Steel that have been registered as raw materials and EcoLeaf are used, and data from the cold-rolled steel sheets are utilized. 2.As for indirect effects, only the evaluation of the indirect effect of the cold-rolled steel sheet as a raw material was conducted, as steel scraps are not used for secondary processed products. The recycling effect of steel materials was evaluated based on JIS Q 20915, and the value was recorded in the D indirect effect column on the breakdown table of the life cycle impact evaluation results in this declaration. Indirect effects are added to the total values in A1-A3. The recycling rate used in the calculation is 93%. 3.Regarding transportation, the distance between the Nippon Steel plant and the steel sheet manufacturer in Shanghai was measured using map software such as Google Maps. 4.Primary data was based on actual performance in 2021. The power unit used was Electric power, average of 10 general electricity providers, fiscal year 2014. 5.The calculation results in this sheet are the average values of the metal sandwiched panel.
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