专业从事生产各种牌号的冷拔不锈钢无缝钢管，全线采用具有国内先进水平的工艺加工。
Professional engaged in the production of various grades of cold-drawn stainless steel seamless steel tubes, all used with the domestic advanced level of processing.
由于加工硬化效应的影响，随着冷拔变形量的增加，合金丝材的室温强度增加，扭转塑性下降。
Due to the effect of strain hardening, higher amount of cold deformation resulted in superior room temperature strength and inferior torsion ductility.
经过冷轧和冷拔，柱状晶组织细化为纤维晶组织，并产生显著的加工硬化。
After cold rolled and drawn, the columnar crystals fined to fibrous crystals, which resulted in remarkable work hardening.
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