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国标 GB/T 3098 标准紧固件机械性能螺母, 螺栓, 螺钉和螺柱

 

Test item 测试名称: 紧固件机械性能螺母, 螺栓, 螺钉和螺柱  

 

Test info 测试内容:

序号对应标准试验项目检测项目对应国标内容
15.1拉伸公称抗拉强度
25.2最小抗拉硬度
35.7最小屈服点
45.8屈服强度 
55.11最小断后伸长率 
65.12最小断面收缩率
75.9保证应力保证应力 
保证载荷
破坏拉力载荷 
85.13楔负载楔负载 
95.14冲击最小冲击吸收功
105.17再回火后的芯部硬度再回火后的硬度

 

Sample size 送样规格: 12pcs finished products

 

Lead time 测试周期:  常规 Regular 12 working days

 

Others 其他信息:

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Sample Report 报告样本:

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