含有粗大的铁素体晶粒和残留的热轧织构，引起力学性能的各向异性，导致了抗拉强度和延伸率的降低。
Big ferrites and hot rolling texture are left behind in particle structures, Which leads the anisotropy of mechanics, so the tensile strength and elongation rate reduce.
对不同受热温度下水玻璃旧砂粒上残留粘结剂膜的物理形貌及力学性能进行了较系统的试验研究。
The physical pattern and mechanical property of residual binder film on the used sodium silicate sand under different temperature were studied by the numbers.
采用含铝钢带制造自保护药芯焊丝能充分发挥铝的有利作用，同时减少熔敷金属中残留铝含量及对性能的不利影响。
When using the aluminium contained steel sheath, the harmf of aluminum to the properties of deposited metal can be limited to some extent.
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