Laser welded tailored blanks -
激光焊接拼焊板 -
Technical delivery condition
技术交货条件

Flans raboutés laser - Conditions techniques de livraison

Laserstrahlgeschweißte Tailored Blanks aus Stahlfeinblech - Technische Lieferbedingungen

This European Standard was approved by CEN on 17 March 2023.
该欧洲标准于 2023 年 3 月 17 日获得 CEN 批准。
CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN member.
CEN 成员必须遵守 CEN/CENELEC 内部法规，该法规规定了赋予本欧洲标准国家标准地位的条件，不得进行任何更改。有关此类国家标准的最新列表和参考书目可在向 CEN-CENELEC 管理中心或任何 CEN 成员申请时获得。

This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions.
该欧洲标准有三个正式版本（英语、法语、德语）。由 CEN 成员负责将任何其他语言翻译成其自己的语言并通知 CEN-CENELEC 管理中心的版本与正式版本具有相同的地位。

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and United Kingdom.
CEN 成员是奥地利、比利时、保加利亚、克罗地亚、塞浦路斯、捷克共和国、丹麦、爱沙尼亚、芬兰、法国、德国、希腊、匈牙利、冰岛、爱尔兰、意大利、拉脱维亚、立陶宛、卢森堡、马耳他、荷兰、挪威、波兰、葡萄牙、北马其顿共和国、罗马尼亚、塞尔维亚、斯洛伐克、斯洛文尼亚、西班牙、瑞典、瑞士、土耳其和英国的国家标准机构。

EUROPEAN COMMITTEE FOR STANDARDIZATION COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG
Contents … Page  内容。。。页
European foreword … 3  欧洲前言 ...3
1 Scope … 4  1 范围 ...4
2 Normative references … 4
2 规范性参考 ...4
3 Terms and definitions … 4
3 术语和定义 ...4
4 Requirements … 5  4 要求 ...5
5 Tolerances on dimensions, shape and packaging … 5
5 尺寸、形状和包装的公差 ...5
6 Destructive testing of weld joints … 5
6 焊缝的破坏性检测 ...5
6.1 Cup test … 5
6.1 杯测5
6.2 Cross section … 5
6.2 横截面 ...5
6.3 Heat treatment for hot stamped blanks … 5
6.3 热冲压坯料的热处理 ...5
6.4 Tensile testing for hot stamped blanks … 5
6.4 热冲压坯料的拉伸试验 ...5
6.5 Hardness test for hot stamped blanks. … 6
6.5 热冲压坯料的硬度测试。…6
6.6 Tensile and hardness quality inspection interval for hot stamped LWB … 6
6.6 热冲压 LWB 的拉伸和硬度质量检验间隔 ...6
6.7 Cross section measurement method … 14
6.7 截面测量法14
Annex A (normative) Tensile test failure assessment … 17
附件 A （规范） 拉伸试验失效评估 ...17
A. 1 Case 1 … 17
A. 1 案例 1 ...17
A. 2 Case 2 … 17
A. 2 情况 2 ...17
A. 3 Case 3 … 18
A. 3 情况 3 ...18
A. 4 Case 4 … 18
A. 4 情况 4 ...18
Annex B (normative) Hardness assessment criteria for hot stamped LWB … 19
附录 B（规范性）热冲压 LWB 的硬度评估标准 ...19
B. 1 Methodology … 19
B. 1 方法论 ...19
B. 2 Determination of hardness … 19
B. 2 硬度的测定 19
B. 3 Requirement for minimum hardness of the weld seam … 21
B. 3 对焊缝最小硬度的要求 ...21
B. 4 Requirement for maximum hardness of the weld seam for steel hardness $\mathbf{>}\mathbf{4}\mathbf{0}\mathbf{0}\mathbf{H}\mathbf{V}$$\mathbf{>}\mathbf{4}\mathbf{0}\mathbf{0}\mathbf{H}\mathbf{V}$> 400HV\mathbf{>} \mathbf{4 0 0} \mathbf{H V} … 24
B. 4 钢硬度对焊缝最大硬度的要求 $\mathbf{>}\mathbf{4}\mathbf{0}\mathbf{0}\mathbf{H}\mathbf{V}$$\mathbf{>}\mathbf{4}\mathbf{0}\mathbf{0}\mathbf{H}\mathbf{V}$> 400HV\mathbf{>} \mathbf{4 0 0} \mathbf{H V} ...24
B. 5 requirement for maximum hardness of the weld seam for steel hardness $\le 400\mathrm{HV}$$\le 400\mathrm{HV}$<= 400HV\leq 400 \mathrm{HV} … 26
B. 5 钢硬度 $\le 400\mathrm{HV}$$\le 400\mathrm{HV}$<= 400HV\leq 400 \mathrm{HV} 对焊缝最大硬度的要求 ...26
Bibliography … 28  书目。。。28