[". 조임장 뻐짐 실�试验

2019-01-23View Original

Thread Content

해朋友们对紧固件拉伸检测有了解吗？同一批规格相近的同类紧固件可以合并抽样检测，这样可以减少抽样数量，有经验的朋友可以讨论一下

Reply #22019-01-23

제품 검사 �样本也是有标准的。这方面了解不多，静待专业朋友讲解 kuk

Reply #32019-01-24

1. 제품 검사에 대한 표준이 있습니다. . 전용紧固件以批为单位，螺柱的最大批件为3件。 3. 예를 들어 석유용 고온용 련杆接头的批检验要求为： 3.1. 같은 공정号、同一炉号、同规格、同锻造工艺、同炉热处理者组成一批 3..0. 每批不少于个坯料进行力学性能试验 3..3. 每个坯料在半径处取芯部)，沿轴向切出拉力试样个个冲击试样3 个 3.4. 试验结果若不合格应加倍抽查个再不合格时应重新热处理。 4. 批的覆盖其他说明：螺栓长度小于等于个时长度相差个视为同一批；螺栓长度大于个时长度相差5视为同一批

Submit a Project

**Looking for Chemical Technology, Equipment & Solutions?** No Registration Required Broader Platform Exposure | Global Chemical Service Provider Connections

Submit Request — Free Consultation

Disclaimer

This is an automated machine translation of the original thread. Some technical terms may have inaccuracies; the original text shall prevail. Click "View Original" at the top right to access the source page, which supports IP-based automatic real-time language translation. Please watch out for contact details and sales inducements to prevent fraud. All content and translations are for reference only, representing solely the poster's personal views. For enquiries, email service@hcbbs.com.

[". 조임장 뻐짐 실�试验

Thread Content

Submit a Project

Disclaimer

Quick Links