GB/T 3089-2020 PDF EnglishUS$140.00 · In stock · Download in 9 seconds
GB/T 3089-2020: Seamless Ultra-Thin Wall Stainless Steel Tubes Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure Status: Valid GB/T 3089: Historical versions
GB/T 3089-2020: Seamless Ultra-Thin Wall Stainless Steel Tubes---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/GBT3089-2020NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 77.140.15 H 48 Replacing GB/T 3089-2008 Seamless Ultra-Thin Wall Stainless Steel Tubes Issued on. APRIL 28, 2020 Implemented on. NOVEMBER 01, 2020 Issued by. State Administration for Market Regulation; Standardization Administration of PRC. Table of ContentsForeword... 3 1 Scope... 5 2 Normative References... 5 3 Ordering Content... 6 4 Size, Shape, Weight and Allowable Deviation... 7 5 Technical Requirements... 9 6 Test Methods... 11 7 Inspection Rules... 12 8 Packaging, Marking and Quality Certificate... 13ForewordThis Standard was drafted as per the rules specified in GB/T 1.1-2009. This Standard replaced GB/T 3089-2008 Thinnest-Wall Seamless Tubes of Stainless Steel. Compared with GB/T 3089-2008, this Standard made the major technical changes as follows. --- Modify the applicable scope; add the cold-drawn (see Clause 1 of this Edition; Clause 1 of 2008 Edition); --- Modify the normative references (see Clause 2 of this Edition; Clause 2 of 2008 Edition); --- Modify the ordering content (see Clause 3 of this Edition; and Clause 3 of 2008 Edition); --- Modify the size specification range of the steel tube (see 4.1 of this Edition; 4.1.1 of 2008 Edition); --- Modify the allowable deviation of dimension (see 4.2, 4.3 of this Edition; 4.1.2, 4.1.3 of 2008 Edition); --- Add designation 06Cr17Ni12Mo2 (see 5.1.1 of this Edition); --- Modify the smelting method of the steel (5.2.1 of this Edition; 5.2.1 of 2008 Edition); --- Modify the manufacturing method of the steel tube (see 5.2.2 of this Edition; 5.2.2 of 2008 Edition); --- Modify the mechanical properties (see 5.4 of this Edition; 5.4 of 2008 Edition); --- Add the requirements for nonmetallic inclusions (see 5.5.2 of this Edition); --- Modify the sampling method and test method for the inspection items of the steel tube; add the sampling quantity, sampling method and test method of nonmetallic inclusions (see 6.1, 6.2, 6.3, 6.4, 7.3 of this Edition; Clause 6, 7.3 of 2008 Edition). This Standard was proposed by China Iron and Steel Industry Association. This Standard shall be under the jurisdiction of National Technical Committee for Standardization of Steel (SAC/TC 183). Drafting staffs of this Standard. Changzhou Lianyi Special Stainless-Steel Tube Co., Ltd.; Institute of Metal Research, Chinese Academy of Sciences; Baosteel Special Steel Co., Ltd.; Taiyuan Taigang Stainless Steel Tube Products Co., Ltd.; ZhongXing Energy Equipment Co., Ltd.; and China Metallurgical Information and Standardization Research Institute. Chief drafting staffs of this Standard. Jia Song, Chen Liming, Wang Benxian, Shen Yi, Hou Nan, Qiu yunlong, Dong Li, Xu Zhuli, Han Zhijian, Zhu Weifei, Wang Bowen, and Li Qi. The historical editions replaced by this Standard are as follows. --- GB/T 3089-1982, GB/T 3089-2008. Seamless Ultra-Thin Wall Stainless Steel Tubes1 ScopeThis Standard specifies the ordering content, size, shape, weight, technical requirements, test methods, inspection rules, packaging, marking and quality certificate of seamless ultra-thin wall stainless-steel tubes. This Standard is applicable to spinning or cold-rolled (drawn) seamless ultra-thin wall stainless-steel tubes (hereinafter referred to as steel tubes).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) are applicable to this document. GB/T 222 Permissible Tolerances for Chemical Composition of Steel Products GB/T 223.11 Iron, Steel and Alloy - Determination of Chromium Content - Visual Titration or Potentiometric Titration Method GB/T 223.25 Methods for Chemical Analysis of Iron, Steel and Alloy - The Dimethylglyoxime Gravimetric Method for the Determination of Nickel Content GB/T 223.28 Methods for Chemical Analysis of Iron, Steel and Alloy - The α- Benzoinoxime Gravimetric Method for the Determination of Molybdenum Content GB/T 223.59 Iron, Steel and Alloy - Determination of Phosphorus Content - Bismuth Phosphomolybdate Blue Spectrophotometric Method and Antimony Phosphomolybdate Blue Spectrophotometric Method GB/T 223.60 Methods for Chemical Analysis of Iron, Steel and Alloy - The Perchloric Acid Dehydration Gravimetric Method for the Determination of Silicon Content GB/T 223.63 Methods for Chemical Analysis of Iron, Steel and Alloy - The Sodium (Potassium) Periodate Photometric Method for the Determination of Manganese Content3 Ordering ContentThe contract and ordering list that order products according to this Standard shall include the following contents.4 Size, Shape, Weight and Allowable Deviation4.1 Outer diameter and wall thickness The nominal outer diameter (D) and nominal wall thickness (S) of the steel tube shall meet the requirements of Table 1.According to the requirements of the purchaser, after consultation between the supplier and the purchaser, steel tubes of other sizes than those specified in Table 1 are available. 4.2 Allowable deviation of nominal outer diameter The allowable deviation of the nominal outer diameter of the steel tube shall conform to the provisions of Table 2.When the allowable deviation level of the size of steel tube is not specified in the contract, the allowable deviation of the outer diameter of the steel tube shall be delivered as an ordinary level. 4.4 Length 4.4.1 Normal length The normal length of steel tube is 800mm~6000mm. Steel pipes of other lengths may also be supplied upon negotiation between the supplier and the purchaser, and indicated in the contract. 4.4.2 Specified length The specified length of the steel tube shall be within the normal length range; and the allowable deviation of its length is +10 0 mm. 4.5 Curvature For steel tubes delivered in heat-treated state and with an outer diameter no greater than 32.4mm, the curvature per meter shall be no greater than 5mm; the curvature of the remaining steel tubes is not required. 4.6 Appearance The steel tube shall not be twisted, and the tube end shall be vertical without burrs. 4.7 Weight Steel tubes shall be delivered by actual weight.5 Technical Requirements5.1 Designation and chemical composition of steel 5.1.1 The designation and chemical composition of steel (melting analysis) shall conform to the provisions of Table 4.According to the requirements of the purchaser, after negotiation between the supplier and the purchaser, steel tubes of other designations and chemical compositions than Table 4 may be supplied. 5.2.2 Manufacturing method of steel tubes Steel tubes shall be manufactured by spinning or cold rolling (drawing). 5.3 Delivery state Steel tubes are usually delivered in the state of solution heat treatment. If the purchaser requires delivery in other states, it shall be indicated in the contract. 5.4 Mechanical properties The mechanical properties of steel tubes delivered in heat-treated state shall comply with the provisions of Table 5. 5.5 Non-metallic inclusions 5.7 Surface quality 5.7.1 There should be no cracks, folds, rolling-folds, delamination, scars, scaly thorns, plaques, as well as scratches, pits and indentations with depth exceeding the lower deviation of the wall thickness on the inner and outer surfaces of the steel tube. Slight spiral corrugations, wire marks and non-damaging concave surfaces are allowed to exist.6 Test Methods6.1 Sampling for the analysis of chemical composition of steel tube shall be conducted according to rules of GB/T 20066. 6.2 The size and shape of the steel tube shall be measured one by one with a measuring tool that meets the accuracy requirements. 6.4 The sampling methods and test methods of other inspection items of steel tubes shall comply with the provisions in Table 8.7 Inspection Rules7.1 Inspection and acceptance The inspection and acceptance of steel tubes shall be carried out by the quality and technical supervision department of the supplier. The sampling quantity for various inspections of steel tubes shall conform to the provisions of Table 8. 7.4 Re-inspection and judgment rules The re-inspection and judgment rules of steel tubes shall conform to the provisions of GB/T 2102.8 Packaging, Marking and Quality Certificate8.1 Steel tubes shall be packed one by one or bundled into small bundles and put into plastic bags before packing. The packaging box shall be lined with moisture-proof wax paper and filled with foam or soft items. ......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 3089-2020 be delivered?Answer: The full copy PDF of English version of GB/T 3089-2020 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 3089-2020_English with my colleagues?Answer: Yes. The purchased PDF of GB/T 3089-2020_English will be deemed to be sold to your employer/organization who actually paid for it, including your colleagues and your employer's intranet.Question 3: Does the price include tax/VAT?Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countriesQuestion 4: Do you accept my currency other than USD?Answer: Yes. www.ChineseStandard.us -- GB/T 3089-2020 -- Click this link and select your country/currency to pay, the exact amount in your currency will be printed on the invoice. Full PDF will also be downloaded/emailed in 9 seconds.Question 5: Should I purchase the latest version GB/T 3089-2020?Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 3089-2020 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.How to buy and download a true PDF of English version of GB/T 3089-2020?A step-by-step guide to download PDF of GB/T 3089-2020_EnglishStep 1: Visit website https://www.ChineseStandard.net (Pay in USD), or https://www.ChineseStandard.us (Pay in any currencies such as Euro, KRW, JPY, AUD).Step 2: Search keyword "GB/T 3089-2020". Step 3: Click "Add to Cart". If multiple PDFs are required, repeat steps 2 and 3 to add up to 12 PDFs to cart. Step 4: Select payment option (Via payment agents Stripe or PayPal). Step 5: Customize Tax Invoice -- Fill up your email etc. Step 6: Click "Checkout". Step 7: Make payment by credit card, PayPal, Google Pay etc. After the payment is completed and in 9 seconds, you will receive 2 emails attached with the purchased PDFs and PDF-invoice, respectively. Step 8: Optional -- Go to download PDF. Step 9: Optional -- Click Open/Download PDF to download PDFs and invoice. See screenshots for above steps: Steps 1~3 Steps 4~6 Step 7 Step 8 Step 9 |
