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Standard
| YB/T 5218-2017 Music wire (English Version) |
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Detail of YB/T 5218-2017
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| Professional Classification |
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Introduction of YB/T 5218-2017
本标准规定了乐器用钢丝的术语和定义、分类和标记、订货内容、尺寸、外形及重量、技术要求、检验项目、要求和方法、检验规则、包装、标志和质量证明书等。
本标准适用于制造钢琴弦和其它乐器弦用的直径为0.07-3.00�的圆形截面的冷拉乐器用钢丝，此钢丝也可用于制造照相机及其它精密仪器仪表的，且在冷状态下缠绕成形成而不经淬火的弹簧。本标准不适用于制造高疲劳强度弹簧（如阀门弹簧）用钢丝。
Contents of YB/T 5218-2017