ISO 9649-1990 标准详情
- 标准号:ISO 9649-1990
- 中文标题:金属材料 线材 反复扭转试验
- 英文标题:Metallic materials; wire; reverse torsion test
- 标准类别:国际标准化组织标准ISO
- 发布日期:1990-02
Specifies a method for determining the ability of wire of diameter 0,3 mm to 10,0 mm inclusive to undergo plastic deformation during reverse torsion. This test is used for detecting surface and internal defects in wires. Gives symbols and designation
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