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This article is about studying GB-T 42916-2023 aluminum and aluminum alloy product marking. The study notes are compiled and shared in the hope that more people will benefit. If there is any infringement, please contact us in time.
1—Surface of round ingot;
2——The tail end of the round ingot (the head end of the ingot) after cutting the head and tail.
Figure 9 Schematic diagram of marking marks on round ingots (1)
Example 2 :
5A06 grade, as cast, size specification is 600 mm (diameter) × 7000 mm (length), product standard number is
YS/T 67, melting number is L1234, ingot root number is 1, production unit name (or code) is ABC,
the inspection stamp of the supplier's technical supervision department is "inspection". The schematic diagram of the single-row information mark is shown in Figure 10a), and the double-row information mark is
The identification diagram is shown in Figure 10b).
a) Single row information identification
b) Double row information mark
Indexing serial number description:
1 - - Surface of round ingot;
2——The tail end of the round ingot (the head end of the ingot) after cutting the head and tail.
Figure 10 Schematic diagram of round ingot markings (2)
6.3.2.2 Coding identification
The coding mark should be on the surface of the ingot according to the grade, status (homogenized state ingots are marked with O₃
, as-cast ingots are not marked), size specifications,
product standard number (should be marked when required), melting number, Root number (should be marked if required), production unit name (or code), weight (if required)
When required, it should be marked) and the inspection and printing sequence of the supplier's technical supervision department. The marking information can be single-row or double-row single-point inkjet coding.
logo.
Example 1:
5A06 grade, homogenized state, size specification is 600 mm (diameter) × 7000
The inspection stamp of ABC and the supplier's technical supervision department is "A1", and the logo diagram is shown in Figure 11.
a) Single row information identification
Indexing serial number description:
1——Surface of round ingot;
2——The tail end of the round ingot (the head end of the ingot) after cutting the head and tail.
GB/T 42916—2023
mm (length), melting number is L1234, production unit name (or code) is
b) Double row information mark
Figure 11 Schematic diagram of round ingot printing and marking (1)
Example 2 :
5A06 grade, size specification is 600 mm (diameter) × 7000 mm (length), product standard number is YS/T
67, melting number is L1234, ingot root number
1-1, the name (or code) of the production unit is ABC, the weight is 2101
kg, the inspection stamp of the supplier's technical supervision department is "A1", and the logo diagram is shown in Figure 12.
Indexing serial number description:
1——Surface of round ingot;
2——The tail end of the round ingot (the head end of the ingot) after cutting the head and tail.
Figure 12 Schematic diagram of round ingot printing and marking (2)
6.3.2.3 Label identification
The round ingot label should be labeled on the end face of the tail of the ingot, which should include the grade and status (the ingot in the homogenized state is marked with O.
(the state of the ingot is not marked), size specifications, product standard number, melting number, production unit name (or code), inspection by the supplier’s technical supervision department
GB/T 42916—2023
Seal, and may also include other information required by the purchaser.
Example 1:
5A06 grade, as cast, size specification is 600 mm (diameter) × 7000 mm
(length), product standard number is YS/T 67, melting number is L1234, produced
The name (or code) of the unit is ABC, and the inspection stamp of the supplier's technical supervision department is "Inspection 1". The schematic diagram of the logo is shown in Figure 13.
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a) Label identification b) Label information
Indexing serial number description:
1—Surface of round ingot;
2——The tail end of the round ingot after cutting the head and tail (the head end of the ingot);
3——The information in the virtual frame is additional information, which can be omitted or the placement can be adjusted.
Figure 13 Schematic diagram of round ingot labeling (1)
Example 2:
5A06 grade, homogenized state, size specification is 600 mm (diameter) × 7000 mm
(length), product standard number is YS/T 67, melting number is
L1234, ingot root number is 1-1, production unit name (or Code) is ABC, the weight is 2101
kg, the inspection stamp of the supplier's technical supervision department is "Inspection 1", the marking diagram
See Figure 14.
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5A06 O₃ |
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a) Label identification b) Label information
Indexing serial number description:
1 — - Surface of round ingot;
2——The tail end of the round ingot after cutting the head and tail (the head end of the ingot);
3——The information in the virtual frame is additional information, which can be omitted or the placement can be adjusted.
Figure 14 Schematic diagram of round ingot label identification (2)
GB/T 42916—2023
6.3.2.4 Information identification
The information marking of round ingots shall be carried out in accordance with the provisions of 6.3.1.4.
7 Plate identification
7.1 Logo selection
7.1.1 Plates with a thickness less than 10 mm should be marked by inkjet coding, or C
combination marking can be used. Plates with a thickness of not less than 10 mm should
be marked with notches, or with inkjet coding, label marking or combination marking.
7.1.2
When the buyer requires the use of inkjet coding, single-point inkjet printing, surrounding inkjet printing or continuous inkjet printing can be used.
When the product standard or order form (or contract) does not indicate the plate inkjet coding method, single-point inkjet printing should be used. code.
7.1.3 The marking of aluminum and aluminum alloy plates used in aviation and aerospace should comply with the provisions of B.2.
7.2 Identification information
The identification information of different identification methods of plates should comply with the provisions of Table 3.
Table 3 Plate identification information
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GB/T 42916—2023
7.3 Identification rules
7.3.1 Score marking
The score mark of the plate should be on the end face of the plate in any
width direction, according to the grade, status, thickness (or pattern code), batch number, production unit
The name (or code name) and the inspection and printing order of the supplier's technical supervision department are marked. The marking information can be marked in a single row or in a double row.
Example 1:
For plates with grade 2A12, T4 status, thickness 102 mm, and batch number L1234
, the inspection stamp of the supplier's technical supervision department is "inspection". The marking diagram is shown in Figure 15.
Indexing serial number description:
1——Plate rolling direction;
2——Plate width direction;
3——Plate height direction.
Figure 1 Schematic diagram of 5 plate markings ( 1 )
Example 2:
2A12 牌号、T4 状态、尺寸规格为102 mm
(厚)、船板外板“M”标识、产品标准编号为 GB/T 22641、批号为 L1234 的
板材，生产单位名称(或代号)为 ABC,
中国船级社认证，供方技术监督部门的检印为"检",标识示意图见图16。
标引序号说明：
1——板材轧制方向；
2——板材宽度方向；
3——板材高度方向。
图 1 6 板材刻痕标识示意图(二)
GB/T 42916—2023
7.3.2 喷码标识
7.3.2.1 单点喷码
7.3.2.1.1
板材单点喷码在轧制表面四周沿任一长度或宽度方向，按照牌号、状态、尺寸规格(或花纹代
号)、产品标准编号、批号、生产单位名称(或代号)、供方技术监督部门的检印顺序进行标识，标识信息宜
采用单排标识。
7.3.2.1.2
板材的单点喷码标识文字在其所在边目视观察应为正向字体，且标识应与所在边保持平
行，标识信息距板材边部应保持(250±50)mm 的距离。
示例：
2A12 牌号、T4 状态、尺寸规格为102 mm (厚)×1900 mm (宽)×7000 mm
(长)、产品标准编号为GB/T 3880、批号
为 L1234 的板材，生产单位名称(或代号)为 ABC,
供方技术监督部门的检印为"检",标识示意图见图17。
单位为毫米
图 1 7 板材单点喷码示意图
7.3.2.2 四周连续喷码
7.3.2.2.1
板材四周喷码沿板材轧制表面四周，按牌号、状态、尺寸规格(或花纹代号)、产品标准编号、
批号、生产单位名称(或代号)、供方技术监督部门的检印顺序进行标识，标识信息宜采用单排标识。
7.3.2.2.2
板材的四周喷码标识文字在其所在边目视观察应为正向字体，且标识应与所在边保持平
行，标识信息距板材边部应保持(250±50)mm
的距离，每组信息间距离应为(150±50) mm。
示例：
2A12 牌号、T4 状态、尺寸规格为102 mm (厚)×1900 mm (宽)×7000 mm
(长)、产品标准编号为 GB/T 3880、批号
为L1234 的板材，生产单位名称(或代号)为 ABC,
供方技术监督部门的检印为"检",标识示意图见图18。
GB/T 42916—2023
单位为毫米
250+ 150
EI2IZ eTT 088C I/900LX0067XZ01 HZT R FZTT 0886
/000X005IXZ0[ HZIYZ
2A1214102×1900X700063/I 3880 L1234 ABC 检
2A12T4102×1900X7000 GB/T 3880 [1234 ABC检
2A12T4
图18 板材四周连续喷码标识示意图
7.3.2.3 整板面连续喷码
7.3.2.3.1
板材整板面连续喷码沿板材轧制面的轧制方向，按牌号、状态、尺寸规格(或花纹代号)、产品
标准编号、批号、生产单位名称(或代号)、供方技术监督部门的检印顺序进行标识，标识信息宜采用单排
标识。
7.3.2.3.2
板材的喷码信息采用同向喷码，标识字体方向以板材其中一边为正向字体，每条喷码信息的
方向应沿板材的轧制方向进行喷码。
7.3.2.3.3
标识应与所在边保持平行，标识信息距板材边部应保持(250±50)mm
的距离，每组信息间 距离应为(150±50) mm,
标识信息沿垂直于轧制方向每条间距为(250±50)mm
示例：
2A12 牌号、T4 状态、尺寸规格为102 mm (厚)×1900 mm (宽)×7000 mm
(长)、产品标准编号为 GB/T 3880、批号 为
L1234的板材，生产单位名称(或代号)为 ABC,
供方技术监督部门的检印为"检",标识示意图见图19。
单位为毫米
250-
+504 Z0-5
+50
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2A12T4102×1900X7000 GB/T 3880 L1234 ARC检 2412T4102X1900X7000 GB/T 3880 L1234 ABC检 2A12[4102×1900图 1 9 板材连续喷码示意图
GB/T 42916—2023
7.3.3 标签标识
标签标识应贴在板材靠近任一角的轧制表面上，堆垛交货的板材，应在堆垛最上面的3张板材分别
贴在靠近任一角的轧制表面上的同一位置。标签标识应包括牌号、状态、尺寸规格(或厚度)、产品标准
编号、批号、生产单位名称(或代号)、供方技术监督部门的检印，还可包含需方要求的其他信息。
示例：
2A12 牌号、T4 状态、尺寸规格为102 mm (厚)×1900 mm (宽)×7000 mm
(长)、产品标准编号为 GB/T 3880、批号
为L1234 的板材，生产单位名称(或代号)为 ABC,
供方技术监督部门的检印为"检1",标识示意图见图20。
a) 贴标签标识
标引序号说明：
延伸阅读
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