A reinforcement (7) for a breaker strip for a thermal bridge for building construction, characterised in that it is produced from austenitic or austenoferritic stainless steel, the composition of which, in % by weight, consists of: traces ≤ C ≤ 0.08%; 1.5% ≤ Si ≤ 4.0%; 4.0% ≤ Mn ≤ 10.0%; traces ≤ Ni ≤ 7.0%; 16.0% ≤ Cr ≤ 23.0%; traces ≤ Mo ≤ 2.0%; traces ≤ W ≤ 1.0%; traces ≤ Mo + W/2 ≤ 2.0%; traces ≤ Co ≤ 2.0%; traces ≤ Cu ≤ 3.0%; 0.10% ≤ N ≤ 0.25%; the remainder being iron, alloying elements other than those previously mentioned, and impurities resulting from production, the total of said other alloying elements and impurities not exceeding 1.0%, and none of said other alloying elements being present individually in an amount greater than 0.5%, and in that the thermal conductivity index IC calculated according to: IC = 22.2 + 2.1 (1 - IF/100) – 0.89 Si – 0.77 Ni - 0.44 Mn – 0.17 Cr - 0.16 Cu, where IF = 6.7 Cr + 5.7 Mo + 0.7 Si – 8,.6 Ni - 2.4 Mn - 0.5 Cu - 110 C – 150 N – 42.7 is ≤ 13.5. A breaker strip for a thermal bridge comprising said reinforcement.
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机译：用于建筑热桥的防撞条的加强件（7），其特征在于，其由奥氏体或奥氏体铁素体不锈钢制成，其成分以重量百分比计包括：痕量≤C≤0.08％; 1.5％≤Si≤4.0％; 4.0％≤Mn≤10.0％;痕量≤Ni≤7.0％; 16.0％≤Cr≤23.0％;痕量≤Mo≤2.0％;痕迹≤W≤1.0％;痕迹≤Mo + W / 2≤2.0％;痕量≤Co≤2.0％;痕量≤Cu≤3.0％; 0.10％≤N≤0.25％;其余为铁，除上述元素外的合金元素和生产中产生的杂质，所述其他合金元素和杂质的总和不超过1.0％，并且所述其他合金元素的含量均不超过0.5％ ，其导热系数IC根据以下公式计算：IC = 22.2 + 2.1（1- IF / 100）– 0.89 Si – 0.77 Ni-0.44 Mn – 0.17 Cr-0.16 Cu，其中IF = 6.7 Cr + 5.7 Mo + 0.7 Si – 8，.6 Ni-2.4 Mn-0.5 Cu-110 C – 150 N – 42.7≤13.5。用于热桥的断路器条，包括所述加强件。
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