How to accurately determine the line pipe anti-crack toughness value is the key of this problem.
如何正确合理地确定管材止裂韧性数值是这一问题的关键。
Compared with common manganese steel, it's strength and toughness was apparently enhanced. Heat crack was hindered or eliminated and anti-abrasive property was enhanced obviously.
与普通高锰钢相比，强韧性有了显著提高，热裂现象在很大程度上得以消除，抗磨性能大大增强。
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