prEN ISO 3506-4
紧固件 耐腐蚀不锈钢紧固件的机械性能 第4部分：指定等级和硬度等级的自攻螺钉 (ISO/DIS 3506-4:2023)

Fasteners - Mechanical properties of corrosion-resistant stainless steel fasteners - Part 4: Tapping screws with specified grades and hardness classes (ISO/DIS 3506-4:2023)

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标准号

prEN ISO 3506-4

发布单位

欧洲标准化委员会

 

 

被代替标准

EN ISO 3506-4:2009

适用范围

ISO 3506-4:2009 specifies the mechanical properties of tapping screws made of austenitic, martensitic and ferritic steel grades of corrosion-resistant stainless steels, when tested over an ambient temperature range of 10 °C to 35 °C. Properties vary at higher or lower temperatures. It applies to tapping screws with threads from ST2,2 up to and including ST8, in accordance with ISO 1478. It does not apply to screws with special properties such as weldability.

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