SANS 1431号《可焊接的钢结构》(Weldable Structural Steels); SANS 1491-1号《波特兰水泥填充剂——第一部分:粒化高炉矿渣》(Portland Cement
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Three suggestions are given for steelmaking works as follows: (1)Considerable attention must be put to the study of welding metallurgy for developing the weldable structural steels;
针对冶金企业提出三条建议:(1)加强焊接冶金问题的研究以大力发展易焊结构钢材;
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