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GB/T 22641-2020 English PDF (GB/T 22641-2008)

GB/T 22641-2020_English: PDF (GB/T22641-2020)
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GB/T 22641-2020English225 Add to Cart 0--9 seconds. Auto-delivery Wrought aluminium alloy sheets and plates for ships Valid GB/T 22641-2020
GB/T 22641-2008EnglishRFQ ASK 5 days [Need to translate] Wrought aluminium alloys sheet and plate for ships Obsolete GB/T 22641-2008


BASIC DATA
Standard ID GB/T 22641-2020 (GB/T22641-2020)
Description (Translated English) Wrought aluminium alloy sheets and plates for ships
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard H61
Classification of International Standard 77.150.10
Word Count Estimation 16,112
Date of Issue 2020-03-31
Date of Implementation 2021-02-01
Older Standard (superseded by this standard) GB/T 22641-2008
Quoted Standard GB/T 232; GB/T 3190; GB/T 3199; GB/T 3246.1; GB/T 3246.2; GB/T 3880.1; GB/T 3880.3-2012; GB/T 6519; GB/T 7999; GB/T 16865; GB/T 17432; GB/T 20975.1; GB/T 20975.2; GB/T 20975.3; GB/T 20975.4; GB/T 20975.5; GB/T 20975.6; GB/T 20975.7; GB/T 20975.8; GB/T 209
Drafting Organization Southwest Aluminum (Group) Co., Ltd., Guangdong Industrial Analysis and Testing Center, China Aluminum Material Application Research Institute Co., Ltd., Guangxi Nannan Aluminum Processing Co., Ltd., Northeast Light Alloy Co., Ltd., National Nonferrous Metal Quality Supervision and Inspection Center, China Aluminum Ruimin Co., Ltd., Shandong Nanshan Aluminum Co., Ltd., Tianjin Zhongwang Aluminum Co., Ltd., Shandong Conglin Kaiwa Aluminum Alloy Ship Co., Ltd., Youyan Engineering Technology Research Institute Co., Ltd., Guangxi Liuzhou Yinhai Aluminum Co., Ltd. company
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
Summary This standard specifies the requirements, test methods, inspection rules and markings, packaging, transportation, storage and quality certificates and purchase orders (or contracts) of marine aluminum alloy sheets. This standard applies to marine aluminum alloy plates (hereinafter referred to as plates).

BASIC DATA
Standard ID GB/T 22641-2008 (GB/T22641-2008)
Description (Translated English) Wrought aluminium alloys sheet and plate for ships
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard H61
Classification of International Standard 77.150.10
Word Count Estimation 28,294
Date of Issue 2008-12-29
Date of Implementation 2009-11-01
Adopted Standard EN 485.2-2004, MOD; EN 485.3-2003, MOD; EN 485.4-1993, MOD; ASTM B209-04, MOD; ASTM B928M-07, MOD
Drafting Organization Southwest Aluminum (Group) Co., Ltd.
Administrative Organization National Nonferrous Metals Standardization Technical Committee
Regulation (derived from) National Standard Approval Announcement 2008 No.21 (Total No.134)
Proposing organization China Nonferrous Metals Industry Association
Issuing agency(ies) Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China; Standardization Administration of China
Summary This standard specifies the requirements for marine aluminum alloy sheet, test methods, inspection rules and signs, transport, , storage and contract (or order form) content packaging. This standard applies to marine aluminum alloy sheet (hereinafter referred to as the plate).


GB/T 22641-2020 NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 77.150.10 H 61 Replacing GB/T 22641-2008 Wrought aluminium alloy sheets and plates for ships ISSUED ON: MARCH 31, 2020 IMPLEMENTED ON: FEBRUARY 01, 2021 Issued by: State Administration for Market Regulation; Standardization Administration of the People’s Republic of China. Table of Contents Foreword ... 3  1 Scope ... 5  2 Normative references ... 5  3 Requirements ... 6  4 Test method ... 12  5 Inspection rules ... 14  6 Signs, packaging, transportation, storage and quality certificate ... 18  7 Order form (or contract) contents ... 19  Appendix A (Normative) Quality assurance ... 21  Wrought aluminium alloy sheets and plates for ships 1 Scope This Standard specifies the requirements, test methods, inspection rules and signs, packaging, transportation, storage, quality certificate and order form (or contract) contents of wrought aluminium alloy sheets and plates for ships. This Standard applies to wrought aluminium alloy sheets and plates for ships (hereinafter referred to as plates). 2 Normative references The following documents are indispensable for the application of this document. For dated references, only the dated version applies to this document. For undated references, the latest edition (including all amendments) applies to this document. GB/T 232, Metallic materials - Bend test GB/T 3190, Wrought aluminum and aluminum alloy - Chemical composition GB/T 3199, Wrought aluminium and aluminium alloy products - Packing, marking, transporting and storing GB/T 3246.1, Inspection method for structure of wrought aluminum and aluminum alloy products - Part 1: Inspection method for microstructure GB/T 3246.2, Inspection method for structure of wrought aluminum and aluminum alloy products - Part 2: Inspection method for macrostructure GB/T 3880.1, Wrought aluminium and aluminium alloy plates, sheets and strips for general engineering - Part 1: Technical conditions of delivery GB/T 3880.3-2012, Wrought aluminium and aluminium alloy plates, sheets and strips for general engineering - Part 3: Tolerances on forms and dimensions GB/T 6519, Ultrasonic inspection of wrought aluminium and magnesium alloy products GB/T 7999, Optical emission spectrometric analysis method of aluminum and aluminum alloys For the plate, of which the thickness is not less than 6.00 mm, when ultrasonic flaw detection performance is required, the supplier and the buyer shall negotiate and indicate the ultrasonic flaw detection and inspection level in the order form (or contract). 3.12 Appearance quality 3.12.1 The surface of the plate shall be flat, smooth and well processed; the edges of the plate shall be flat and free of burrs. 3.12.2 The surface of the plate shall not have flaws, such as cracks, creases, nitrate marks, layering, corrosion, oxidized inclusions, peeling, air bubbles, severe metal and non-metallic intrusions or mechanical damage, that affect the subsequent processing or use. 3.12.3 The surface of the plate is allowed to have slight dents, bruises, scrapes, stickies, and imprints that do not affect the use of the buyer; but its depth shall not exceed half the allowable negative deviation of the thickness of the plate; and the thickness deviation of the plate shall not exceed the allowable range. 3.12.4 After obtaining the consent of the user or the user representative, it is allowed to repair the surface defects of the plate by machining or grinding. The depth of the repair shall not exceed the allowable negative deviation of the thickness and shall not have any adverse effects on the material. Unless otherwise agreed, all repairs shall be performed in the presence of the user or user representative. Welding repairs are not allowed. 3.12.5 Other appearance quality requirements shall comply with the provisions of GB/T 3880.1. 4 Test method 4.1 Chemical composition 4.1.1 The chemical composition shall be tested according to the method that is specified in GB/T 20975 or GB/T 7999; the arbitration analysis test shall be performed according to the method that is specified in GB/T 20975. 4.1.2 The determination of analysis value is based on the rounding comparison method; the value rounding rules shall be carried out in accordance with the relevant provisions of GB/T 8170; the rounding digit shall be consistent with the limit digits which are specified in GB/T 3190. 4.2 Hydrogen content Perform the inspection according to the method that is specified in YS/T 600. 4.12 Appearance quality Perform the inspection according to the method that is specified in GB/T 3880.1. 5 Inspection rules 5.1 Inspection and acceptance 5.1.1 The plate shall be inspected by the supplier's technical supervision department to ensure that the product quality meets the requirements of this Standard or the order form (or contract); the supplier shall fill in the quality certificate. 5.1.2 The buyer shall re-inspect the received plate. If the re-inspection result is found to be inconsistent with the provisions of this Standard, it shall be submitted to the supplier in writing within three months from the date of receipt of the plate, and shall be resolved through consultation between the supplier and the buyer. If an arbitration is required, the arbitration sampling shall be carried out jointly by both parties. 5.2 Batch Plates shall be submitted for acceptance in batches; each batch shall consist of the same designation, melting time, status, specifications, dimensional accuracy grade, heat treatment furnace (or continuous heat treatment furnace). The weight of each batch is determined by negotiation between the supplier and the buyer. 5.3 Weight The products shall be weighed on the scales (unless it is otherwise agreed by the supplier and the buyer). 5.4 Inspection classification Product inspection is divided into delivery inspection and periodic inspection. 5.5 Inspection items and process assurance items 5.5.1 The inspection items and process assurance items of the delivery inspection and periodic inspection shall comply with the requirements in Table 6. 5.7.3 When the dimension deviation of any of the samples is unqualified, judge the batch of plates as unqualified. With the permission of the buyer, it can be inspected one by one on the supplier side; the qualified ones can be delivered. 5.7.4 When the mechanical property test result of any sample is unqualified, a double number of samples shall be taken from the batch (including the original unqualified ones) for repeated testing. If the repeated test is qualified, judge the batch of plates as qualified. If there are still unqualified ones in the repeated test, judge the batch of plates as unqualified. However, the supplier is allowed to perform a repeated heat treatment to re-sample and test. 5.7.5 When the bending performance of any sample is unqualified, a double number of samples shall be taken from the batch (including the original unqualified ones) for repeated testing. If the repeated test is qualified, judge the batch of plates as qualified. If there are still unqualified ones in the repeated test, judge the batch of plates as unqualified. However, the supplier is allowed to perform a repeated heat treatment to re-sample and test. 5.7.6 When the exfoliation corrosion resistance of any sample is unqualified, judge the batch of plates to be unqualified. However, the supplier is allowed to perform a repeated heat treatment to re-sample and test. 5.7.7 When the intergranular corrosion of any sample is unqualified, judge the batch of plates to be unqualified. However, the supplier is allowed to perform a repeated heat treatment to re-sample and test. 5.7.8 When the macro-structure performance of any sample is unqualified, judge the batch of plates to be unqualified. 5.7.9 When the microstructure of any sample is unqualified, if the heat treatment furnace number of the plates can be distinguished, judge the furnace number to be unqualified; if the furnace number cannot be distinguished, judge the batch of plates to be unqualified. 5.7.10 When the ultrasonic flaw detection result of any sample is unqualified, judge the piece of plate to be unqualified. 5.7.11 When the appearance quality of any sample is unqualified, judge the piece of plate to be unqualified. 5.7.12 When there are other defects, they shall be dealt with by negotiation between the supplier and the buyer. b) Product name: c) Designation, supply status and dimensions; d) Quantity (piece number or weight) and number of pieces; e) Chemical composition; f) Mechanical property test result; g) Batch number, smelt number; h) Contract number; i) Ordering unit; j) Number of this Standard; k) Date of packaging; l) The signatures or seals of the inspectors and persons in charge of the technical supervision department, and the signatures or seals of the surveyor; m) Special mark for aluminum materials for ships. 7 Order form (or contract) contents The order form (or contract) that orders the products which are listed in this Standard shall include the following: a) Product name. b) Designation. c) Supply status. d) Dimensions. e) Weight (or quantity). f) Special requirements of the buyer. -- special dimension deviation requirements; -- coating layer thickness detection requirements; -- bending performance test requirements; ......


GB/T 22641-2008 Wrought aluminium alloys sheet and plate for ships ICS 77.150.10 H61 National Standards of People's Republic of China Marine aluminum alloy sheet Posted 2008-12-29 2009-11-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released Foreword The standard reference EN485.2-2004 "aluminum and aluminum alloy plate, sheet and strip Part 2. mechanical properties", EN485.3- 2003 "aluminum and aluminum alloy plate, sheet and strip - Part 3. Hot product size deviation", EN485.4-1993 "aluminum and aluminum alloy Plate, sheet and strip - Part 4. cold-rolled product size deviation ", ASTM B209-04" aluminum and aluminum alloy sheet " ASTMB928M-07 "is similar to the marine environment and high magnesium alloy sheet" to develop. Appendix A of this standard is a normative appendix. The standard proposed by China Nonferrous Metals Industry Association. This standard Nonferrous Metals by the National Standardization Technical Committee. This standard is mainly drafted by. Southwest Aluminum (Group) Co., Ltd. Participated in the drafting of this standard. Northeast Light Alloy Co., Ltd., Chinalco Ruimin Co., Ltd. Nanshan Light Alloy Co., Ltd. The main drafters. Zhang Yu, Wang Zhengan, Lee Shui-shan, Guojun, yellow UBS, Aijun, Wang. Marine aluminum alloy sheet 1 Scope This standard specifies the requirements for marine aluminum alloy sheet, test methods, inspection rules and signs, packaging, transportation, storage and contract (or order Single) content. This standard applies to marine aluminum alloy sheet (hereinafter referred to as sheet). 2 Normative references The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB/T 228 metal materials at room temperature tensile test method GB/T 232 metallic materials - Bend test GB/T 3190 Wrought aluminum and aluminum alloy chemical composition GB/T 3199 aluminum and aluminum alloy products - Packing, marking, transportation and storage GB/T 3246.1 Wrought aluminum and aluminum alloy products microstructure inspection method GB/T 3246.2 Wrought aluminum and aluminum alloy products low fold inspection method GB/T 3880.1 General industrial aluminum and aluminum alloy sheet, strip - Part 1. General requirements GB/T 3880.3 General industrial aluminum and aluminum alloy sheet, strip Part 3. size deviation GB/T 6519 wrought aluminum alloy products for ultrasonic inspection GB/T 7998 aluminum alloy intergranular corrosion measurement method GB/T 7999 aluminum and aluminum alloys Optical emission spectroscopy method 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 GB/T 20975 (all parts), chemical analysis of aluminum and aluminum alloys GB/T 22639 aluminum alloy products exfoliation corrosion test 3 Requirements 3.1 Categories 3.1.1 grade, alloy type, status and specifications 3.1.1.1 grades sheet, the corresponding alloy categories, state and thickness specifications should meet the requirements of Table 1. The thickness corresponding to the width and length Should be consistent with the provisions of Table 2. 3.1.1.2 In addition to H116 5XXX alloys and H321 status, material Table 1 alloy or other states should not be used to ship the boat In vitro plate or prolonged direct contact with parts of the sea. Table 1 Alloy Alloy Type a supply state thickness/mm 2A11 B O, T3, T4 0.50 ~ 10.00 H112 4.50 ~ 40.00 F > 4.50 ~ 150.00 ......

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