Rare earth elements improves sulfide morphology, enhances the low temperature transverse impact properties of the plate.
稀土元素改善了硫化物形态，提高了钢板的低温横向冲击性能。
The mechanical properties such as fatigue, transverse impact toughness and anisotropic properties of steels treated with Ba-containing alloys are remarkably improved.
经含钡合金处理的钢材力学性能，如疲劳、横向冲击韧性和各向异性可得到显著改善。
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