Analysis of Chinese standard GB/T 3620.1—2016: Designation and composition of titanium and titanium alloys
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摘要: 主要介绍新版标准GB/T 3620.1-2016的历史演变,修订的原因、依据、内容,以及工业纯钛牌号与材料标准的关系。最后,阐述了过渡期易出现的问题及预防措施,以期为标准在后续引用、生产、验收过程提供指导,加深对新版标准的理解,从而更全面、系统地掌握和应用新版标准。Abstract: This article mainly introduces the historical evolution, the reason, basis, and content of the revision of the new Chinese standard GB/T 3620.1—2016, as well as the relationship between industrial pure titanium designations and material standards. Finally, it expounds the problems that are easy to appear in the transition period and the preventive measures, in order to provide guidance for the reference, production and acceptance of the standard in the follow-up process, deepen the understanding of the new standard, so as to master and apply the new standard in a more comprehensive and systematic way.
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Key words:
- titanium and titanium alloys /
- designation /
- composition /
- standard /
- analysis
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表 1 新注册α型和近α型合金
Table 1. Newly registered α-type and near α-type alloys
牌号 名义成分 研制名称 TA29 Ti-5.8Al-4Sn-4Zr-0.7Nb-1.5Ta-0.4Si
-0.06C600 ℃
高温钛合金TA30 Ti-5.5Al-3.5Sn-3Zr-1Nb-1Mo-0.3Si TA31 Ti-6Al-3Nb-2Zr-1Mo Ti-80 TA32 Ti-5.5Al-3.5Sn-3Zr-1Mo-0.5Nb
-0.7Ta-0.3SiTi-55 TA33 Ti-5.8Al-4Sn-3.5Zr-0.7Mo-0.5Nb
-1.1Ta-0.4Si-0.06CTi-60 TA34 Ti-2Al-3.8Zr-1Mo CT20 TA35 Ti-6Al -4Zr-2Sn-1Mo-2Nb-0.2Si BTi-62421S TA36 Ti-1Al-1Fe Ti50 表 2 新注册β型和近β型合金
Table 2. Newly registered β-type and near β-type alloys
牌号 名义成分 研制名称 TB12 Ti-25V-15Cr-0.3Si Ti40 TB13 Ti-4Al-22V Ti-4Al-22V TB14 Ti-45Nb Ti45Nb TB15 Ti-6Cr-5Mo-5V-4Al BTi6554 TB16 Ti-5Mo-5V-6Cr-3Al Ti5563 TB17 Ti-6.5Mo-2.5Cr-2V -2Nb-1Sn-1Zr-4Al Ti-1350 表 3 新注册α-β型合金
Table 3. Newly registered α-β type alloys
牌号 名义成分 研制名称 TC27 Ti-5Al-4Mo-6V-2Nb-1Fe Ti-5Al-4Mo-6V-2Nb-1Fe TC28 Ti-6.5Al-1Mo-1Fe Ti8LC TC29 Ti-4.5Al-7Mo-2Fe Ti12LC TC30 Ti-5Al-3Mo-1V BT14 TC31 Ti-6.5Al-3Zr-3Sn-3Mo-3Nb-
1W-0.2SiBTi-6431S TC32 Ti-5Al-3Mo-3Cr-1Zr-0.15Si Ti-12M -
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