经过退火及冷加工的热轧不锈钢棒材，其表面质量更高，强度也更高。
Hot rolled stainless steel bars that are annealed and cold worked to produce a higher surface quality and higher strength.
然而锈皮在热轧板条厂卷期间在高温度被造形，因为锈在在室温的线圈的表面上被造形，这一个加工是所需。
This processing is required since rust is formed on the surface of the coils at room temperature whereas scales are formed at high temperature during rolling in Hot Strip Mill.
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