The mechanical property, welding property and typical application of large line energy welding and constructional steel with fire and weather resistance are studied in this paper.

对武钢研制的大线能量焊接耐火耐候建筑用钢的力学性能、焊接性能与其典型应用进行了研究。

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The performances and application of fire proof cable are introduced from insulation resistance, heat resistance, mechanical property, current capacity and other aspects.

从绝缘电阻、耐热性、机械性能、防火特性、载流量等方面介绍了防火电缆的性能及应用。

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Gypsum blocks have natural fire resistance property because of the special molecule structure of gypsum.

石膏砌块因其主要原料石膏具有独特的分子结构而具有天然的耐火特性。

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