公开(公告)号：KR101413973B1

公开(公告)日：2014-07-01

申请号：KR1020130147059

申请日：2013-11-29

Applicant: 홍덕산업(주)

Inventor： 장해수 ,  임성영 ,  김종성 ,  신헌웅 ,  이부호 ,  강창기 ,  조규찬

IPC: C23C30/00 ,  C22C38/00 ,  B21F3/02

Abstract: The present invention relates to a brass plated steel wire used for a spring. The diameter of dry wire drawn steel wire for a spring is 0.5-3.0 mm, the thickness of a brass coating layer is 0.2-2.0μm, the brass coating layer having a copper content of 55-57% and a zinc content of 30-45%, and the hardness of the brass coating layer is 100-400 Hv. The steel wire for a spring has beautiful appearance, excellent moldability, and improved corrosion resistance by a tempering heat treatment after molding a spring.

Abstract translation: 本发明涉及一种用于弹簧的镀黄铜钢丝。 用于弹簧的干线拉丝钢丝的直径为0.5-3.0mm，黄铜涂层的厚度为0.2-2.0μm，黄铜涂层的铜含量为55-57％，锌含量为30- 45％，黄铜涂层的硬度为100-400Hv。 用于弹簧的钢丝具有美观的外观，优异的成型性，并且通过在成形弹簧之后通过回火热处理提高耐腐蚀性。