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| hard drawn spring wire; cold-drawn spring steel wire (【技】 冷拉状态交货的弹簧钢丝。所用钢种主要是含碳量较高的碳素钢以及含锰钢。钢丝直径较小、冷塑性变形量大，钢丝冷拉后已具备所要求的力学性能，表面质量好、尺寸精度高。最终冷拉前经铅浴等温处理得到细珠光体组织，以提高冷变形能力。); hard-drawn spring steel wire (【技】冷拉状态交货的弹簧钢丝。所用钢种主要是含碳量较高的碳素钢以及含锰钢。钢丝直径较小、冷塑性变形量大，钢丝冷拉后已具备所要求的力学性能，表面质量好、尺寸精度高。最终冷拉前经铅浴等温处理得到细珠光体组织，以提高冷变形能力。); hard-drawn spring wire | |||
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