GB/T 2965-2023《钛及钛合金棒材》标准解析

解晨; 马忠贤; 冯军宁; 李巍; 魏佳琦; 冯永琦; 胡志杰; 马佳琨; 庆达嘎; 王若飞

doi:10.7513/j.issn.1004-7638.2024.05.027

GB/T 2965-2023《钛及钛合金棒材》标准解析

doi: 10.7513/j.issn.1004-7638.2024.05.027

解晨^{1, 2,},
马忠贤^{1, 2},
冯军宁^{1, 2},
李巍¹,
魏佳琦²,
冯永琦^{1, 2},
胡志杰^{1, 2},
马佳琨^{1, 2},
庆达嘎^{1, 2},
王若飞¹

1.
宝鸡钛业股份有限公司, 陕西宝鸡 721014
2.
宝钛集团有限公司, 陕西宝鸡 721014

详细信息

作者简介:
解晨，1987年出生，男，陕西延安人，硕士，高级工程师，主要从事稀有金属标准化研究及材料加工，E-mail：xiechen@baoti.com

中图分类号: TF823,G255.54
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出版历程
- 收稿日期: 2024-04-12
- 网络出版日期: 2024-10-30
- 刊出日期: 2024-10-30

Interpretation on GB/T 2965-2023: Titanium and titanium alloy bars

Xie Chen^{1, 2
,},
Ma Zhongxian^{1, 2},
Feng Junning^{1, 2},
Li Wei¹,
Wei Jiaqi²,
Feng Yongqi^{1, 2},
Hu Zhijie^{1, 2},
Ma Jiakun^{1, 2},
Qing Daga^{1, 2},
Wang Ruofei¹

1.
Baoji Titanium Industry Company Limited, Baoji 721014, Shaanxi, China
2.
Baoti Group Company Limited, Baoji 721014, Shaanxi, China

摘要

摘要: 介绍了新版标准GB/T 2965-2023的修订原因和演变过程，并从标准的主要修订点，包含：术语和定义、产品分类、外形尺寸及其允许偏差、热处理制度、力学性能、试验方法、取样规定、检验结果的判定等相关内容进行了解析，为标准在后续生产、检验过程提供指导，从而对新版标准起到推广和宣贯的作用。
- 钛 /
- 钛合金 /
- 棒材 /
- 标准 /
- 解析
Abstract: In this paper the revision reasons and process evolution of new standard GB/T 2965-2023 had been briefed. And interpretation had been made on the following points such as terms and definition, product category, dimension and tolerance, heat treatment, mechanical properties, sampling and test result determination. It is hoped that this interpretation can provide guidance for production and inspection of the standard in the follow-up process.
- titanium /
- titanium alloy /
- bars /
- standard /
- analysis

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表 1 新增钛及钛合金棒材室温拉伸性能

Table 1. Tensile properties of newly added titanium and titanium alloy bars at room temperature

牌号	抗拉强度（R_m）/MPa	规定塑性延伸强度（R_p0.2）/MPa	断后伸长率（A）/%	断面收缩率（Z）/%
TA1	≥370	≥250	≥20	≥30
TA2	≥440	≥320	≥18	≥30
TA3	≥540	≥410	≥15	≥25
TA5	≥685	≥585	≥13	≥25
TA18	≥620	≥518	≥12	≥25
TB6	≥1105	≥1035	≥8	≥15
TC17	≥1120	≥1030	≥7	≥16
TC18	1080～1280	≥1010	≥9	≥25
TC21	≥1100	≥1000	≥8	≥15
TC25	≥980		≥10	≥20

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表 2 新增钛合金棒材高温力学性能

Table 2. Mechanical properties of newly added titanium alloy bars at elevated temperature

牌号	试验温度/ ℃	抗拉强度(R_m)/MPa	持久性能
牌号	试验温度/ ℃	抗拉强度(R_m)/MPa	试验应力(σ)/MPa	试验时间(t)/h
TA18	≥350	≥340	≥320	≥100
TA18	≥400	≥310	≥280	≥100
TC17	≥400	≥885	≥685	≥100
TC25	≥500	≥735	≥637	≥50

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