This standard specifies the requirements, test methods, inspection rules and marking, packaging, transportation, storage and contract content of magnesium and magnesium alloy plates and strips. This standard is applicable to magnesium alloy hot-rolled plates, cold-rolled plates and pure magnesium strips and strips. GB/T 5154-2003 Magnesium and magnesium alloy plates and strips GB/T5154-2003 standard download decompression password: www.bzxz.net

This standard is a revision of GB/T5154-1985 "Magnesium Alloy Plate". Compared with GB/T5154-1985, this standard has the following changes: - The grade adopts the provisions of GB/T5153 "Grades and Chemical Compositions of Deformed Magnesium and Magnesium Alloys". The corresponding content of magnesium alloy sheets and strips is supplemented. GB/T 5154-2003
Supply status adopts the corresponding provisions of ISO3116:2001 "Magnesium and Magnesium Alloy Deformed Magnesium Alloys" (see Appendix A). The allowable deviation of some lengths and widths of the plate is stricter than the original standard. The requirements for the unevenness of the plate are stricter than the original standard, and the provisions for the unevenness value of magnesium alloy sheets are supplemented. The provisions for the measurement method of the plate's external dimensions are added. - The room temperature tensile test of the plate adopts the provisions of GB/T228 "Room Temperature Tensile Test Method for Metallic Materials", and the compression test of the plate adopts the provisions of GB/T7314 "Metal Compression Test Method". The room temperature tensile test sampling of the plate adopts the provisions of GB/T16865-1997 "Specimens for tensile test of deformed aluminum, magnesium and alloy processed products".
Added the provisions for sampling of chemical composition arbitration analysis. 1. Modified the provisions for judging the unqualified results of chemical composition and mechanical performance indicators, and added the provisions for judging the unqualified results of dimensional deviation and surface quality.
1. Refined the requirements for transported objects, transportation process and handling, and added the provisions for storage warehouse conditions. This standard will replace GB/T5154-1985 from the date of implementation. Appendix A of this standard is a normative appendix, and Appendix B is an informative appendix. This standard is proposed by the China Nonferrous Metals Industry Association. This standard is under the jurisdiction of the National Technical Committee for Standardization of Nonferrous Metals. This standard is drafted by Luoyang Copper Processing Group Co., Ltd. The main drafters of this standard are: Li Xiangyu, Ding Baochang, Fu Zaishi, Li Bin, Zhang Daquan, Chang Fuxun. This standard is interpreted by the National Technical Committee for Standardization of Nonferrous Metals. The previous versions of the standards replaced by this standard are: YB/T628-1973;
GB/T5154--1985.
1 Scope
Magnesium and magnesium alloy plates and strips
GB/T 5154--2003
This standard specifies the requirements, test methods, inspection rules and markings, packaging, transportation, storage and contract content of magnesium and magnesium alloy plates and strips.
This standard applies to magnesium alloy hot-rolled plates, cold-rolled plates and pure magnesium strips and bars. 2 Normative references
The clauses in the following documents become the clauses of this standard through reference in this standard. For any dated referenced document, all subsequent amendments (excluding errata) or revisions are not applicable to this standard. However, the parties to the agreement based on this standard are encouraged to study whether the latest versions of these documents can be used. For any undated referenced document, the latest version shall apply to this standard. GB/T228 Room temperature tensile test method for metal materials GB/T5153 Grades and chemical composition of wrought magnesium and magnesium alloys GB/T7314 Metal compression test method
GB/T13748 (all parts) Chemical analysis method for magnesium and magnesium alloys GB/T16865
Specimens for tensile test of wrought aluminum, magnesium and alloy processed products GB/T17432
3 Definitions
Sampling method for chemical composition analysis of wrought aluminum and aluminum alloys This standard adopts the following definitions:
Sheet sheet
Rolled products with a rectangular cross section, uniform thickness and greater than 0.20mm. Usually the edges are sheared or sawed and delivered in a straight shape. The thickness does not exceed 1/10 of the width. 3.2
Strip strip
Rolled products with a rectangular cross section and uniform thickness - not greater than 0.20mm. Usually the edges are longitudinally cut and delivered in coils. The thickness shall not exceed 1/10 of the width.
4 Requirements
4.1 Product classification
4.1.1 Brand, state and specification
The brand, state and specification of magnesium and magnesium alloy plates and strips shall comply with the requirements of Table 1. GB/T 5154-—2003
Supply status
H112、F
H18、0
H112、F
H24、0
H112、F
H112、F
Table 1 Brand, status and specifications of plates and strips Specifications/mm
0.80~10.00
>10. 00 ~32. 00
0.50~0.80
>0. 80~10. 00
>10. 00 ~32, 00
>32. 00 ~~ 70. 00
Note: For the comparison of new and old brands and status, please see Appendix A. Marking example
800.0~1 200. 0
800. 0 -~1 200. 0
≤1000.0
800.0~1 200. 0
800. 0~~1 200. 0
800.0~1200. 0
800.0~1 200.0
800. 0~1 200.0
1 000. 0 ~ 3 500. 0
1 000. 0~ 3 500. 0
≤2000.0
1 000, 0~3 500. 0
1000.0~3500.0
≤2000.0
1 000. 0 ~~ 3 500. 0
1 000. 0~3 500. 0
1 000. 0 ~ 2 000. 0
Product marking shall be indicated in the sequence of product name, brand, state, specification and standard number. The marking example is as follows: Remarks
The cut-length plate made of AZ41M alloy, supplied in H112 state, with a thickness of 30.00mm, a width of 1000.0mm and a length of 2500.0mm, is marked as: magnesium plate AZ41M-H11230×1000×2500GB/T5154--20034.2 Chemical composition
The grade and chemical composition of magnesium and magnesium alloy plates and strips shall comply with the provisions of GB/T5153. 4.3 Dimensional tolerance
The dimensional tolerance of the thickness, width and length of plates and strips shall comply with the provisions of Table 2. 4.3.1
Table 2 Dimensions and allowable deviations of thickness, width and length of plates and strips Width
0.50~0.80
>0. 80~1. 00
>1. 00~1. 20
>1.20~2. 00
>2. 00~3. 00
≥3.00~4.00
>4. 00 ~~5. 00
>5. 00~6. 00
>6. 00 ~8. 00
>8. 00 ~10. 00
>10. 00 ~12. 00
>800. 0 ~1 000. 0
Thickness allowable deviation
>1 000. 0~1 200, 0
Full allowable deviation
Unit is mm
Allowable deviation
>12. 00 ~ 20. 00
>20. 00~~ 26. 00
>26.00~40.00
>40. 00~50. 00
>50. 00 ~60. 00
>60. 00 ~70. 00
Table 2 (continued)
>800. 0~1 000. 0
Thickness tolerance
Note 1: When the thickness tolerance is only "ten" or "", its value is twice the value in this table. >1 000. 0～1 200. 0
±0,50
Note 2: Plate thickness>26.00mm~70.00mm, uncut edge is supplied, but the effective width is greater than the nominal width. Note 3: Plate thickness>50.00mm~70.00mm, not cut head and tail, but the effective length is greater than the nominal length. The unevenness of the plate shall comply with the provisions of Table 3. 4.3.2
Unevenness of plate
Plate width
Plate thickness
0.50~0.80
>0. 80~5. 00
>5. 00~10. 00
>10. 00 ~20. 00
>20. 00~32. 00
>800. 0~1 000. 0
Unevenness not greater than
Note 1: When the unevenness requirement of special-purpose plates is less than that specified in this table, it can be agreed upon by the supply and demand parties. Note 2: Plates with a thickness of 0.50mm~0.80mm are battery cells. The allowable deviation of the diagonal length of the plate and the side curvature shall be agreed upon by the supply and demand parties. 4.3.3
Mechanical properties
The room temperature mechanical properties of the plate shall comply with the provisions of Table 4. Table 4 Room temperature mechanical properties of the plate
Plate thickness/
0. 80 ~~3. 00
>3.00~5.00
>5.00~10. 00
10. 00～12. 50
>12. 50~20.00
20. 00~-32. 00
Tensile strength
Rm/(N/mm2)
Specified non-proportional strength/(N/mm2)
Elongation Rpo.2
Compression Rp-0.2
Not less than
GB/T5154—2003
Unit is meter
Allowable deviation
Allowable deviation
Unit is millimeter
>1 000. 0~1 200. 0
Elongation after fracture A/%
GB/T5154—2003
Sheet thickness/
0.80~～3.00
>3. 00~10. 00
10. 00 ~12. 50 | 00
10. 00 ~~12. 50
>12.50~20.00
>20.00~~32.00
0.50~~0.80
0.80~~3.00
>3. 00~5. 00 | 0
32.0~70.0
Table 4 (continued)
Tensile strength
Rm/(N/mm2)
Specified non-proportional strength/(N/mm2)
Extension Rpo.2
Compression Rp-0.2
Not less than
Elongation after fracture A/%
Note 1: When the plate thickness is >12.5mm~14.0mm, the diameter of the parallel part of the circular specimen of the specified non-proportional extension strength is 10.0mm. Note 2: When the plate thickness is 14.5 mm~～70.0 mm, the diameter of the parallel part of the circular specimen of the specified non-proportional extension strength is 12.5 mm. Note 3: F state is a free processing state, and there is no mechanical property index requirement. 4.4.2 The room temperature mechanical properties of the strip shall be agreed upon by the supply and demand parties. 4.5 Surface quality
4.5.1 The plate should be treated with anti-corrosion oxidation and coloring. The oxide film should be dense, firm and complete. Local coloring is allowed. The surface of the battery plate and magnesium strip does not need to be oxidized. After the plate is oxidized and colored, some dispersed manganese segregation is allowed. The manganese segregation allowed per square meter of the plate surface should comply with the provisions of Table 5. 4
Dispersed type
Relatively dense
Regional type
Distribution status
Any part
In any 10 000mm2
area
Table 5 Allowable manganese segregation in plate
Single manganese segregation
Area/mm2
>30～50
>50～80
>80～100
Allowable number of single manganese segregation
Number of locations
GB/T 5154---2003
Area per location/
Total area/
Note: When dispersed manganese segregation and manganese segregation in the form of denser areas coexist, the total area of ​​manganese segregation should be less than 350mm, and the other items should be less than the corresponding values ​​specified in this table.
4.5.2 The surface of plates with a thickness of less than 5.00mm should be smooth. 4.5.3 The edges of plates with a thickness of more than 10.00mm are allowed to have defects such as rolling cracks and shear cracks caused by the production process, but the minimum width and length of the plates should be guaranteed.
4.5.4 The surface of the plates should be clean. There should be no corrosion, cracks, cracks, delamination, bubbles, folds, oxide inclusions and flux inclusions. The surface of the plates is allowed to have slight scratches, scratches, pits, protrusions, depressions, roller marks and repair marks. The existence of defects should not destroy the integrity of the oxide film, and their depth should not exceed half of the thickness tolerance, and the minimum thickness of the plates should be guaranteed. 5 Test methods
5.1 Chemical composition arbitration analysis method
Product chemical composition arbitration shall be carried out in accordance with the method specified in GB/T13748. 5.2 Dimension measurement method
5.2.1 The thickness shall be measured with a micrometer (or measuring tool of the same accuracy) with an accuracy of 0.01mm. The plate shall be measured within the range of not less than 115mm from the long side to the plate corner and not less than 25mm from the edge of the plate; the thickness of the strip shall be measured at the middle of the end. 5.2.2 The length and width shall be measured with a steel tape measure with an accuracy of 1mm or a measuring tool of corresponding accuracy. 5.2.3 When measuring the unevenness of the plate, the plate shall be placed freely on the platform and the gap between the plate and the platform shall be measured. When there are several waves on a plate, the largest one shall be measured. The edge waves can be measured with a feeler gauge. Note: Rounding of the dimensional measurement value is not allowed.
5.3 Room temperature mechanical properties test method
5.3.1 The room temperature tensile test of the plate shall be carried out in accordance with the provisions of GB/T228. 5.3.2 The compression test of the plate shall be carried out in accordance with the provisions of GB/T7314. 5.4 Surface quality inspection method
The surface quality of plates and strips is generally inspected by visual inspection. Surface defects that require size definition can be measured using measuring tools of corresponding accuracy.
6 Inspection rules
6.1 Inspection and acceptance
6.1.1 Plates and strips shall be inspected by the supplier's technical supervision department to ensure that the product quality meets the requirements of this standard and fill in the quality certificate. 6.1.2 The buyer shall re-inspect the received products in accordance with the provisions of this standard. If the re-inspection results are inconsistent with the provisions of this standard and the order contract, they shall be submitted to the supplier in writing and resolved by negotiation between the supplier and the buyer. Objections to surface quality and dimensional deviation should be raised within 1 month from the date of receipt of the product, and objections to other requirements should be raised within 3 months from the date of receipt of the product. If arbitration is required, arbitration sampling should be carried out jointly by the supplier and the buyer.
6.2 Batches
Plates and strips should be submitted for acceptance in batches. Each batch should consist of the same brand, state and specification, and the batch weight is not limited. The weight can be measured by the inspection method or the theoretical calculation method (see Appendix B). 6.3 Inspection items
Each batch of products should be inspected for chemical composition, dimensional deviation, mechanical properties and surface quality before leaving the factory. 6.4 Sampling
Product sampling should comply with the provisions of Table 6.
Table 6 Product sampling
Inspection items
Chemical composition
Dimensional deviation
Mechanical properties
Surface quality
Sampling regulations
Refer to the sampling method specified in GB/T17432 for sampling and inspection sheet by sheet
Sheet thickness ≤12.50mm, take one transverse tensile specimen for each sheet; when the plate thickness is 12.50mm～22.00mm, take one longitudinal and transverse tensile specimen for each center layer;
When the plate thickness is ≥22.00 mm, take one longitudinal and transverse tensile specimen for each center layer, and take one longitudinal and transverse compression specimen for each center layer;
Other requirements shall be implemented in accordance with the provisions of GB/T16865. Check each sheet
6.5 Determination of inspection results
When the chemical composition is unqualified, the batch of products shall be judged unqualified. 6.5.2 When the product size deviation and surface quality are unqualified, the sheet shall be judged unqualified. Required
Chapter number
Test method
Chapter number
6.5.3 When there are unqualified items in the mechanical properties, double the number of specimens should be taken from the sheet for repeated tests; if all the repeated test results are qualified, the sheet is judged to be qualified; if there are still unqualified items in the repeated test results, the sheet is judged to be unqualified. 6.5.4 When other defects occur, the supply and demand parties shall negotiate to deal with them. 7 Marking, packaging, transportation and storage
7.1 Marking
The following marks should be printed on the inspected sheets: inspection stamp of the supplier's technical supervision department;
supplier's name and trademark;
metal (or alloy) brand;
supply status;
specifications;
batch number and serial number.
Each packing box should have a label or sign at both ends, indicating: supplier name;
metal (or alloy) brand;
supply status;
specification;
batch number and net weight;
f) standard number.
7.2 Packaging
GB/T5154—2003bzxZ.net
7.2.1 Plates and cells can be packed in wooden boxes made of wood, fiberboard or plywood. The packing box should be dry. Both sides of each plate should be evenly coated with anti-rust oil. Two layers of oil-soaked paper should be placed on the upper and lower sides of the plate stack in the box; the entire plate stack should be wrapped with plastic cloth or moisture-proof paper, and the plate should not be exposed. 7.2.2 Pure magnesium strips are rolled and dried and packed into plastic bags. Pure magnesium strips are directly packed into plastic bags after drying. The plastic bags are sealed and packed into dry wooden boxes. 7.2.3 Each box should have a packing list, which should indicate: a) supplier name; b) metal (or alloy) brand; supply status; specification and batch number; number of packages and net weight; f) standard number; g) packaging date. 7.3 Transportation and storage 7.3.1 The transported items of plate and strip should be clean, dry and free of pollutants; during transportation, the packaging boxes should be protected from corrosion by rain (snow) cloth; they should not be transported in the same vehicle with chemically active substances, humid materials and flammable items; during transportation, appropriate loading and unloading methods should be adopted to prevent damage to the packaging boxes (items).
7.3.2 After receiving the product, the buyer shall promptly store it in a clean, dry, non-corrosive atmosphere, rain and snow-free warehouse without chemically active substances, moist materials and flammable items. The product shall be inspected for corrosion within 10 days and acceptance shall be organized. Plates stored for a long time shall be treated with anti-corrosion treatment regularly.
7.4 Quality Certificate
Each batch of plate and strip materials shall be accompanied by a quality certificate that meets the requirements of this standard, which shall indicate: supplier name, address, telephone number, fax number; a)
b) Yuan
Product name;
Metal (or alloy) brand;
d) Specification;
Supply status;
f) Batch number;
Net weight and number of pieces;
h) Results of various analysis and inspections and stamps of the technical supervision department; This standard number:
i) Packing date.
8Content
The contract for ordering materials listed in this standard shall include the following contents: a) Product name;
b) Metal (or alloy) brand;
Supply status;
d) Dimensions and specifications;
Net weight or number of sheets;
f) Number of this standard;
g) Negotiation results when adding contents other than those in this standard. 7
GB/T5154--2003
(Normative Appendix)
Comparison table of new and old brands and new and old status See Table A.1 for the comparison of new and old brands and new and old status. Table A.1
New brand
Old brand
New status
Old status
The density of magnesium alloys is shown in Table B.1.
Note: This table is used for calculating the theoretical weight of magnesium alloy plates. Record B
(Informative Appendix)
Magnesium alloy density
GB/T5154-2003
Density/(kg·m2\)4 Quality Certificate
Each batch of plates and strips shall be accompanied by a quality certificate that complies with the requirements of this standard, which shall indicate: supplier's name, address, telephone number and fax number; a)
b) Yuan
Product name;
Metal (or alloy) brand;
d) Specification;
Supply status;
f) Batch number;
Net weight and number of pieces;
h) Results of various analyses and tests and stamp of the technical supervision department; Number of this standard:
i) Packaging date.
8Content
The contract for ordering materials listed in this standard shall include the following contents: a) Product name;
b) Metal (or alloy) brand;
Supply status;
d) Dimensions and specifications;
Net weight or number of sheets;
f) Number of this standard;
g) Negotiation results when adding contents other than those in this standard. 7
GB/T5154--2003
(Normative Appendix)
Comparison table of new and old brands and new and old status See Table A.1 for the comparison of new and old brands and new and old status. Table A.1
New brand
Old brand
New status
Old status
The density of magnesium alloys is shown in Table B.1.
Note: This table is used for calculating the theoretical weight of magnesium alloy plates. Record B
(Informative Appendix)
Magnesium alloy density
GB/T5154-2003
Density/(kg·m2\)4 Quality Certificate
Each batch of plates and strips shall be accompanied by a quality certificate that complies with the requirements of this standard, which shall indicate: supplier's name, address, telephone number and fax number; a)
b) Yuan
Product name;
Metal (or alloy) brand;
d) Specification;
Supply status;
f) Batch number;
Net weight and number of pieces;
h) Results of various analyses and tests and stamp of the technical supervision department; Number of this standard:
i) Packaging date.
8Content
The contract for ordering materials listed in this standard shall include the following contents: a) Product name;
b) Metal (or alloy) brand;
Supply status;
d) Dimensions and specifications;
Net weight or number of sheets;
f) Number of this standard;
g) Negotiation results when adding contents other than those in this standard. 7
GB/T5154--2003
(Normative Appendix)
Comparison table of new and old brands and new and old status See Table A.1 for the comparison of new and old brands and new and old status. Table A.1
New brand
Old brand
New status
Old status
The density of magnesium alloys is shown in Table B.1.
Note: This table is used for calculating the theoretical weight of magnesium alloy plates. Record B
(Informative Appendix)
Magnesium alloy density
GB/T5154-2003
Density/(kg·m2\)
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