中国微合金化技术与含铌钢发展30周-of Evolution
36 中国含铌钢技术发展30周年国际研讨会论文集
Figure 15: Effect of sulfur content on toughness of linepipe.
Other manufacturing developments occurring since 1959/60 in response to end user demands, production economics, new test methods (e.g. HIC testing) and other factors discussed in this and other* papers are presented chronologically in Table 11 below:
Table 11: Manufacturing Developments 1960-2009
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