GB/T 26006-2010 PDF EnglishUS$520.00 · In stock · Download in 9 seconds
GB/T 26006-2010: Aluminium alloys extruded tubes, bars, rods, and profiles used for ships Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure Status: Valid
Similar standardsGB/T 26006-2010: Aluminium alloys extruded tubes, bars, rods, and profiles used for ships---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT26006-2010GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 77.150.10 H 61 Aluminum alloys extruded tubes, bars, rods and profiles used for ships Issued on. JANUARY 10, 2011 Implemented on. OCTOBER 01, 2011 Issued by. General Administration of Quality Supervision, Inspection and Quarantine of PRC; Standardization Administration of PRC. Table of ContentsForeword... 3 1 Scope... 4 2 Normative references... 4 3 Requirements... 5 4 Test method... 32 5 Inspection rules... 34 6 Marking, packaging, transportation, storage, quality certificate... 37 7 Contents of contract (or order form)... 39ForewordThis standard was proposed by China Nonferrous Metals Industry Association. This standard shall be under the jurisdiction of the National Non-ferrous Metal Standardization Technical Committee (SAC/TC 243). The main drafting organization of this standard. Southwest Aluminum (Group) Co., Ltd. The participated drafting organization of this standard. Northeast Light Alloy Co., Ltd., Chinalco Northwest Aluminum Processing Branch, Longkou Conglin Aluminum Co., Ltd., Shandong Dagon Mine Light Alloy Co., Ltd., Shandongnanshan Aluminum Co., Ltd., Fujian Nanping Aluminum Co., Ltd., Liaoning Zhongwang Group Co., Ltd., Guangdong Xingfa Aluminum Co., Ltd. The main drafters of this standard. Li Ruishan, Lu Yonghong, Zhang Yu, Wang Guojun, Wang Zheng'an, Duan Ruifen, Chen Qing, Xu Minghua, Yang Junzu, Sun Zhenyu. Aluminum alloys extruded tubes, bars, rods and profiles used for ships1 ScopeThis standard specifies the requirements, test methods, inspection rules, markings, packaging, transportation, storage, quality certificate, contract (or order form), for aluminum alloy extruded seamless round tubes for ships (hereinafter referred to as tubes), aluminum alloy extruded bars for ships (hereinafter referred to as bars), aluminum alloy extruded profiles for ships (hereinafter referred to as profiles). This standard applies to tubes, bars with a circular cross-section (hereinafter referred to as round bars), bars with a rectangular cross-section (hereinafter referred to as flat bars), bars with a square cross-section (hereinafter referred to as square bars), bars with a regular hexagonal cross-section (hereinafter referred to as hexagonal bars), profiles.2 Normative referencesThe 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 228 Metallic materials - Tensile testing at ambient temperature GB/T 3190 Wrought aluminum and aluminum alloy - Chemical composition GB/T 3199 Wrought aluminum and aluminum alloy products - Packing, marking, transporting and storing GB/T 3246.1 Wrought aluminum and aluminum alloys products inspection method for structure GB/T 3246.2 Wrought aluminum and aluminum alloys products inspection method for structure GB/T 6519 Process for ultrasonic inspection of wrought aluminum alloy products aluminum alloys3 Requirements3.1 Product classification 3.1.3 Specifications 3.1.3.1 Profiles The specifications of the profile are determined, when the supplier and the buyer sign the drawing. 3.1.3.2 Bars 3.1.4 Example of markings The product marking is expressed, in the order of product name, alloy designation, state, specification, standard number. Examples of markings are as follows. 3.3.1.3 Other size deviations shall meet the requirements of GB/T 14846-2008. 3.3.2 Bars 3.3.2.1 Round bar 3.3.2.1.1 Diameter The diameter deviation shall meet the requirements of Table 5. 3.6 Microstructure For the quenched products, it is not allowed for over-burning on the microstructure. 3.7 Ultrasonic flaw detection For the products, which need ultrasonic testing, the supplier and purchaser may determine, through negotiation, the testing location and testing level, AND indicate in the drawing or contract (or order form). 3.8 Surface quality 3.8.1 Tubes 3.8.1.1 It is not allowed for cracks or corrosions on the surface of tubes. 3.8.2 Bars 3.8.2.1 It is not allowed for cracks, blisters, or corrosion spots on the surface of bars. 3.8.2.2 Where there is peeling off on the surface of bars, they shall be removed. However, the removal shall not make the deviation of outer diameter (or the diameter of inscribed circle of bars) exceed the allowable range. 3.8.3 Profiles 3.8.3.1 It is not allowed for the presence of cracks, corrosions, or non-metallic press-ins, on the surface of profiles. 3.8.3.2 On the surface of profiles, it is NEITHER allowed for the peeling off, pits, indentations, blisters, bumps, which have a depth larger than the negative deviation of the wall thickness, NOR allowed for scratches, surface roughness, or individual scratch, which have a depth larger than the negative deviation of wall thickness. Within any 1 m length of the profile, the total area of defect shall not exceed 4% of the surface area of profile. 3.8.3.3 It is allowed for the supplier to make trimming of the surface defects of the profiles, along the longitudinal direction, until obtaining a smooth surface. This trimming operation shall not make the deviation of wall thickness of the profile exceed the allowable range.4 Test method4.1 Chemical composition The chemical composition of product is analyzed, according to GB/T 7999 or GB/T 20975.The arbitration analysis shall be carried out, according to the method specified in GB/T 20975. 4.2 Deviation of size 4.2.1 For the cross-sectional size, it shall be measured by a measuring tool, which has an accuracy of not lower than 0.02 mm. For other sizes, it may be measured by the measuring tools, such as ruler, meter ruler, tape ruler, feeler gauge. 4.2.3 The measurement method of planer clearance is as follows. Place the product on the platform, to measure the maximum clearance f, between the product and the platform, as shown in Figure 4. 4.2.4 The measurement method for twisting degree is as follows. For the product, which has a specified testing length (as shown in Figure 5, the AC-segment product), make one end (such as the AB end in Figure 5) of a certain plane (such as the ABCD plane in Figure 5) be in close contact to the platform. 4.3 Mechanical properties The longitudinal tensile properties of the product, under room temperature, shall be tested according to the method, which is specified in GB/T 228. 4.4 Macrostructure The macrostructure of the product shall be tested, according to the method specified in GB/T 3246.2. 4.5 Microstructure The microstructure of the product shall be tested, according to the method specified in GB/T 3246.1. 4.6 Ultrasonic flaw detection The product shall be subject to the ultrasonic flaw detection, according to the method, which is specified in GB/T 6519.5 Inspection rules5.1 Inspection and acceptance 5.1.1 The product shall be inspected by the technical supervision department of the supplier, to ensure that, the product quality meets the requirements of this standard and the contract (or order form); meanwhile the quality certificate is filled. 5.1.2 The purchaser shall re-inspect the received products, according to the requirements of this standard. Where the re-inspection result is inconsistent with the requirements of this standard and the contract (or order form), it shall be put forward to the supplier, in the written form, which will be settled between the supplier and the purchaser, through negotiation. For the objections on the surface quality and size deviation, it shall be put forward to, within 1 month from the date of receiving the product. 5.2 Group-batching The products shall be submitted for acceptance in batches. Each batch shall consist of the products of the same designation, sate, specification. The weight of each batch is not limited. 5.5.2 If the size deviation fails, the corresponding product is disqualified. Quantity of products per batch (furnace) Quantity of samples 5.5.3 When the tensile properties at room temperature fails, it is judged as follows. 5.5.3.1 From this batch (furnace) (including those which are disqualified in the original inspection), take another double quantity of specimens, to carry out test again (for the product of H112 state, it may be tested again according to the requirements of 5.5.3.2). If the re-test results all qualified, this batch (furnace) of products are qualified. If there is still disqualified item in the re-test results, this batch (furnace) of products are disqualified. 5.5.4 When the macrostructure is disqualified, it is judged as follows. 5.5.4.1 When the product is judged as disqualified, due to metallurgical defects, such as cracks or non-metallic inclusions, this batch of product is disqualified. However, it is allowed to carry out grade-B ultrasonic testing piece by piece, only those qualified is delivered. 5.5.4.3 If it is disqualified due to delamination, tail shrinkage, or coarse crystal ring, it is allowed to carry out re-inspection after cutting a segment, until it is qualified. For the other products in this batch, it shall, according to the maximum length of the aforementioned defect distribution, cut the tails OR inspect piece by piece, only those qualified is delivered. 5.5.5 When the microstructure is disqualified, if the melting number of the product can be distinguished, the corresponding furnace number of heat treatment fails; whilst the other furnace numbers are inspected one by one, only those quality is delivered. However, if the furnace number cannot be distinguished, this batch of products are disqualified. 5.5.6 If the ultrasonic testing fails, this piece of product is disqualified.6 Marking, packaging, transportation, storage, qualitycertificate 6.1 Marking 6.1.1 On the extruded front end of the product, which had passed the inspection, print the following markings (it may also tag or label each bundle of products). 6.1.2 On the extruded tail end of the product, which had passed the inspection, apply the "W" sign (or paste tag). 6.1.3 The marking of the packing box of the product shall meet the requirements of GB/T 3199. 6.2 Packaging, transportation, storage 6.2.1 Packaging, transportation, storage of tubes The tubes are not greased. For all tubes, which have a diameter of less than or equal to 50.00 mm, AND the tubes, which have a diameter of more than 50.00 mm and wall thickness of less than 7.00 mm, they shall be box-packed; the weight of each packing box shall not exceed 1000 kg. 6.2.2 Packaging, transportation, storage of bars The bars are not greased. For the bars which have a diameter of less than 50.00 mm, they shall be packed in a packing box, which has been lined with packing materials; the weight of each packing box shall not exceed 1000 kg. Other bars are bundle-packed in bare state. Where it needs applying grease OR there is other special requirement, it may be determined, through negotiation, between the supplier and the purchaser, AND indicated in contract (or order form). Other requirements shall meet the requirements of GB/T 3199. 6.3 Quality certificates Each batch of products shall be accompanied with the product quality certificate, on which it shall indicate the following.7 Contents of contract (or order form)The contract (or order form), which is used to order the products as listed in this standard, shall include the following. ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of English version of GB/T 26006-2010 be delivered?Answer: The full copy PDF of English version of GB/T 26006-2010 can be downloaded in 9 seconds, and it will also be emailed to you in 9 seconds (double mechanisms to ensure the delivery reliably), with PDF-invoice.Question 2: Can I share the purchased PDF of GB/T 26006-2010_English with my colleagues?Answer: Yes. 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