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日本钢铁标准体系,学习了美国、西德的经验,同时有它的独特之处。当然也有不足的地方。总的来说日本钢铁标准的水平有的地方高于我国,因此把日本钢铁标准大致情況作一些介绍。日本钢铁标准的体系特点,其一是,钢铁少而精。据粗略统计,在JIS标准中,共有306个钢号,而美国是511个,苏联是481个。日本的钢种比我们少,使用范围却比我们大。其中化工石油用钢,压力容器和低温用钢的标准比我们多,钢种也比较齐全。其二是,
Japan’s steel standard system, learning the United States, West Germany’s experience, but also has its unique features. Of course, there are deficiencies. In general, the standard of Japanese steel standard is higher than that of our country, so we introduce some general conditions of Japanese steel standard. Japanese steel standard system features, first, less steel and fine. According to rough statistics, in the JIS standard, a total of 306 steel numbers, while the United States is 511, the Soviet Union is 481. Japan’s steel less than us, the use of a larger than us. One of the chemical petroleum steel, pressure vessels and low temperature steel standards more than us, the steel is relatively complete. The second is,