GB/T 5155-2022_English: PDF (GB/T5155-2022)
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| Standard ID | GB/T 5155-2022 (GB/T5155-2022) | | Description (Translated English) | Magnesium and magnesium alloy extruded rods | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | H61 | | Classification of International Standard | 77.120.20 | | Word Count Estimation | 17,156 | | Date of Issue | 2022-03-09 | | Date of Implementation | 2022-10-01 | | Drafting Organization | Northeast Light Alloy Co., Ltd., Henan Terun Technology Service Co., Ltd., Zibo Deyuan Metal Materials Co., Ltd., Chongqing University, Fujian Kunfu Co., Ltd., Zhongshan Jaguar Special Materials Technology Co., Ltd., Nonferrous Metal Technology and Economic Research Institute Co., Ltd. , Zhengzhou Qingyan Alloy Technology Co., Ltd., Youyan Engineering Technology Research Institute Co., Ltd., Shanxi Yinguang Huasheng Magnesium Co., Ltd., Shanghai Jiaotong University, Fujian Institute of Technology, Shandong Yinguang Yuyuan Light Metal Precision Forming Co., Ltd., Hefei Siyi Libra New Materials Technology Co., Ltd., National Quality Supervision and Inspection Center for Magnesium and Magnesium Alloy Products, Nanjing Yunhai Special Metals Co., Ltd., Dongguan Yi'an Technology Co., Ltd. | | Administrative Organization | National Nonferrous Metals Standardization Technical Committee (SAC/TC 243) | | Proposing organization | China Nonferrous Metals Industry Association | | Issuing agency(ies) | State Administration for Market Regulation, National Standardization Administration | | Standard ID | GB/T 5155-2013 (GB/T5155-2013) | | Description (Translated English) | Magnesium alloy extruded bars | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | H61 | | Classification of International Standard | 77.120.20 | | Word Count Estimation | 13,187 | | Older Standard (superseded by this standard) | GB/T 5155-2003 | | Quoted Standard | GB/T 3199; GB/T 4297; GB/T 5153; GB/T 16475; GB/T 16865; GB/T 17432; GB/T 13748.1; GB/T 13748.2; GB/T 13748.3; GB/T 13748.4; GB/T 13748.5; GB/T 13748.6; GB/T 13748.7; GB/T 13748.8; GB/T 13748.9; GB/T 13748.10; GB/T 13748.11; GB/T 13748.12; GB/T 13748.13; | | Drafting Organization | Northeast Light Alloy Co., Ltd. | | Administrative Organization | National Nonferrous Metals Standardization Technical Committee | | Regulation (derived from) | National Standards Bulletin 2013 No. 23 | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This standard specifies the magnesium alloy hot extruded bars of requirements, test methods, inspection rules and signs, packaging, transportation, storage and quality certificates, purchase order (or contract) content. This standard applies to hot magnes | | Standard ID | GB/T 5155-2003 (GB/T5155-2003) | | Description (Translated English) | Magnesium alloy extruded rods | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | H61 | | Classification of International Standard | 77.120.20 | | Word Count Estimation | 8,817 | | Date of Issue | 2003-11-03 | | Date of Implementation | 2004-05-01 | | Older Standard (superseded by this standard) | GB/T 5155-1985 | | Adopted Standard | ASTM B107-2002; NEQ | | Drafting Organization | Northeast Light Alloy Co., Ltd. | | Administrative Organization | National Nonferrous Metals Standardization Technical Committee | | Regulation (derived from) | Chinese national standard approved by the announcement in 2003 No. 14 (total 62); National Standards Bulletin 2013 No. 23 | | Proposing organization | China Nonferrous Metals Industry Association | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People Republic of China | | Summary | This standard specifies: holding money alloy material requirements, test methods, inspection rules and signs, packaging, transportation, storage and content of this standard is applicable to the contract: light surface oxidation money alloy hot extruded bars. |
GB/T 5155-2022
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 77.120.20
CCS H 61
Replacing GB/T 5155-2013
Magnesium and magnesium alloy extruded rods
ISSUED ON: MARCH 09, 2022
IMPLEMENTED ON: OCTOBER 01, 2022
Issued by: State Administration for Market Regulation;
Standardization Administration of PRC.
Table of Contents
Foreword ... 3
1 Scope ... 5
2 Normative references ... 5
3 Terms and definitions... 6
4 Categories ... 6
5 Quality assurance ... 7
6 Requirements ... 7
7 Test methods ... 13
8 Inspection rules ... 16
9 Marking, packaging, transportation, storage, quality certificate ... 18
10 Contents of purchase order (or contract) ... 19
Appendix A (Informative) Comparison of new and old designations and states ... 21
References ... 22
Magnesium and magnesium alloy extruded rods
1 Scope
This document specifies the classification, quality assurance, requirements, test
methods, inspection rules and markings, packaging, transportation, storage, quality
certificates, purchase orders (or contracts) of magnesium and magnesium alloy
extruded rods.
This document applies to magnesium and magnesium alloy extruded round rods, square
rods, hexagonal rods (hereinafter referred to as rods).
2 Normative references
The following documents are essential to the application of this document. For the dated
documents, only the versions with the dates indicated are applicable to this document;
for the undated documents, only the latest version (including all the amendments) is
applicable to this standard.
GB/T 3499 Magnesium ingots
GB/T 4297 Inspection method for macrostructure of wrought magnesium alloy
products
GB/T 5153 Designation and composition of wrought magnesium and magnesium
alloys
GB/T 8170 Rules of rounding off for numerical values and expression and
judgement of limiting values
GB/T 13748 (all parts) Chemical analysis methods of magnesium and magnesium
alloys
GB/T 16865 Test pieces and method for tensile test for wrought aluminium and
magnesium alloys products
GB/T 17432 Methods of sampling for analyzing the chemical composition of
wrought aluminum and aluminum alloys
GB/T 32792 Packing, marking, transporting and storing of magnesium alloy
wrought products
purchaser; meanwhile it shall be indicated in the purchase order (or contract).
6.4.2 There shall be no cracks, fractures, blisters, shrinkage tails, inclusions, bright rings,
large grains, on the macrostructure test piece, that would damage the continuity of the
metal.
6.4.3 There may be layers on the macrostructure test piece, which has a depth not
exceeding half of the margin of diameter deviation. If the buyer requires no layers, it
should be indicated in the purchase order (or contract).
6.4.4 The ZK61M alloy rod shall be inspected for the coarse-grained ring; the depth of
the coarse-grained ring shall not be greater than 5 mm.
6.5 Appearance quality
6.5.1 The surface of the rod shall be clean. There shall be neither cracks, scars, corrosion
spots, that cannot be removed by inspection and grinding, nor various pressed objects
and concentrated bright circles reflecting the internal cracks of the rod. For the defects,
such as cracks, scars, corrosion spots, that can be removed by grinding, they shall be
polished and trimmed before oxidation and coloring; however, the depth of trimming
shall not be greater than the maximum allowable deviation of the rod diameter;
sandpaper should be used for polishing after trimming. Cracks shall not be ground.
6.5.2 The surface of the rod shall not have defects, such as crushing, bumping, cratering,
air bubbles, blisters, abrasions, scratches, that affect the user's use; the depth of the
defects shall not exceed the allowable negative deviation of the diameter. For rods,
which have a diameter of less than 160 mm, the depth of the extrusion marks shall not
exceed 0.1 mm; for rods, which have a diameter of not less than 160 mm, the depth of
the extrusion marks shall not exceed 0.3 mm.
6.5.3 The surface of the rod should be oxidized; its oxide layer shall be intact, without
exposing the base metal or falling off. If the oxidation treatment is not carried out, other
anti-corrosion protection measures for the rod shall be determined, through negotiation
between the supplier and the buyer; meanwhile it shall be specified in the purchase
order (or contract).
7 Test methods
7.1 Chemical composition
7.1.1 For the chemical composition analysis and arbitration of other alloy rods, except
for LA93Z, LZ91N, LA93M, it shall be carried out according to the methods, which
are specified in GB/T 13748 (all parts).
7.1.2 For the chemical composition analysis and arbitration of LA93Z, LZ91N, LA93M
alloy rods, except for Li element, it shall be carried out according to the method, which
7.3 Mechanical properties
The mechanical property test of the rod is inspected, according to the method specified
in GB/T 16865.
7.4 Macrostructure
The macrostructure inspection of the rod is carried out, according to the method
specified in GB/T 4297.
7.5 Appearance quality
The appearance quality of the rods is visually inspected. When the depth of the defect
cannot be determined, the grinding method can be used for measurement.
8 Inspection rules
8.1 Inspection and acceptance
8.1.1 The rod shall be inspected by the supplier, to ensure that the product quality
conforms to the provisions of this document and the purchase order (or contract);
meanwhile it shall fill the quality certificate.
8.1.2 The purchaser shall inspect the received products, according to the provisions of
this document. If the inspection results are inconsistent with the provisions of this
document and the purchase order (or contract), it shall be submitted to the supplier in
writing, to be resolved through negotiation between the supplier and the buyer. For the
objection, which belongs to the appearance quality and size deviation, it shall be raised,
within one month from the date of receipt of the product. For the objection, which
belongs to other properties, it shall be raised, within three months from the date of
receipt of the product. If arbitration is required, both the supplier and the buyer shall
jointly conduct arbitration sampling on the buyer side.
8.2 Group-batching
Rods shall be submitted for acceptance in batches. Each batch shall consist of the same
alloy designation, state, specification. The batch weight is not limited.
8.3 Inspection items
Each batch of rods shall be subject to exit-factory inspection. The inspection items shall
include inspection of chemical composition, dimensional deviation, tensile mechanical
properties at room temperature, macrostructure, appearance quality.
8.4 Sampling
Sampling of rods shall comply with the provisions of Table 9.
the above defects occur; it shall be judged one by one.
8.5.5 When the appearance quality of any rod is unqualified, the rod is judged to be
unqualified.
9 Marking, packaging, transportation, storage, quality
certificate
9.1 Marking
9.1.1 The following imprints (or signs with the following imprints) shall be printed, on
the front end of the accepted rods.
a) Inspection seal by the quality inspection department of the supplier;
b) Alloy designation;
c) Delivery state;
d) Batch number.
9.1.2 For the rod, which has a diameter of not less than 40 mm, it shall be printed on
the front end. For the rod, which has a diameter of less than 40 mm, it shall hang two
labels at the front end of the rod, per batch (or per box).
9.1.3 For rods, which have a diameter of not less than 20 mm AND have passed the
acceptance inspection, the extruded end shall be marked with the letter "W".
9.1.4 The packaging box marking of rods shall be implemented, in accordance with the
provisions of GB/T 32792.
9.2 Packaging, transport, storage
9.2.1 Rods should be greased and packaged. If there are special requirements, they shall
be determined, through negotiation between the supplier and the buyer; meanwhile it
shall be indicated in the purchase order (or contract).
9.2.2 Other requirements for the packaging, transportation, storage of bars shall be
implemented, in accordance with the provisions of GB/T 32792.
9.3 Quality certificate
Each batch of bars shall be accompanied by a product quality certificate, which states:
a) The supplier name;
b) The product name;
c) The designation;
d) The state;
e) Dimensions;
f) Product batch number;
g) Net weight and number of pieces;
h) The results of each analytical inspection;
i) Inspection seal by the quality inspection department of the supplier;
j) The document number;
k) Packaging date (or exit-factory date).
10 Contents of purchase order (or contract)
A purchase order (or contract) for the products, which are listed in this document, shall
include the following:
a) Product name;
b) Designation;
c) State;
d) Dimensions;
e) Weight (or number of pieces);
f) The special requirements of the buyer:
- Special requirements for diameter deviation;
- Special requirements for curvature;
- Special requirements for twisting degree;
- Special requirements for chamfer radius;
- Special requirements for tensile mechanical properties at room temperature;
- Special requirements for appearance quality;
......
GB/T 5155-2013
Magnesium alloy extruded bars
ICS 77.120.20
H61
National Standards of People's Republic of China
Replacing GB/T 5155-2003
Magnesium alloy hot extruded bars
Issued on. 2013-11-27
2014-08-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
This standard replaces GB/T 5155-2003 "magnesium alloy hot extrusion bars."
This standard compared with GB/T 5155-2003, the main changes are as follows.
--- Increase AZ31B, AZ41M, AZ61A, AZ61M, AZ80A and ZK61S and other magnesium alloy grades, status and performance indicators;
--- Increased magnesium square bars, hexagonal bars of magnesium and its curvature, and the degree of twisting radius deviation;
--- Increase the degree of magnesium rod bending, twisting, cut slope schematic;
--- Increased forgings extruded bar low magnification requirements;
--- Improve the informative appendix.
This standard by the national non-ferrous metals Standardization Technical Committee (SAC/TC243) centralized.
This standard is mainly drafted by. Northeast Light Alloy Co., Ltd., Technical and Economic Research Institute of Nonferrous Metals.
Participated in the drafting of this standard. Shandong Huasheng Rong Magnesium Co., Ltd. Zibo Fergus anti-corrosion materials, silver Shanxi Huasheng Magnesium
CO., LTD.
The main drafters of this standard. Liu research, Zhang Yanfei, Cao Yongliang, often days Huo Chai Shao Chun, Shen Bao Zhai, Wu Zhongwen, Wen Yu, Feng Hongfen, Young owl.
This standard replaces the standards previously issued as follows.
--- GB/T 5155-2003;
--- GB 5155-1985.
Magnesium alloy hot extruded bars
1 Scope
This standard specifies the magnesium alloy hot-extruded bar of requirements, test methods, inspection rules and signs, packaging, transportation, storage and quality certificate
Book, purchase orders (or contract) content.
This standard applies to hot magnesium alloy extruded rod, square bars, hexagonal bars (hereinafter referred to as bars).
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 3199 aluminum and aluminum alloy products - Packing, marking, transportation and storage
GB/T 4297 wrought magnesium alloy low magnification inspection method
GB/T 5153 wrought magnesium and magnesium alloy grades and chemical composition
GB/T 13748 (all parts) magnesium and magnesium alloy chemical analysis method
GB/T 16475 Wrought aluminum and aluminum alloy designations
GB/T 16865 wrought aluminum, magnesium and their alloys processed products tensile test specimens
GB/T 17432 Wrought aluminum and aluminum alloy chemical analysis sampling method
3 Requirements
3.1 Categories
3.1.1 Alloy, state
Alloy bar, the state should meet the requirements in Table 1. If you need additional alloy grades, state, and resolved through consultation by both parties
Stated in the order (or contract) in.
Table 1
Alloy state
AZ31B, AZ40M, AZ41M, AZ61A, AZ61M, ME20M H112
AZ80A H112, T5
ZK61M, ZK61S T5
Note. The new, old and new alloy grades, the old state table are described in Appendix A, shown in Appendix B.
3.1.2 tag example
Mark bars indicate by product name, standard number, alloy grades, status, size of order. Tag example as follows.
Example 1.
ME20M Alloy, H112 state, a diameter of 60mm, a length of 4000mm length bars, labeled.
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