BZJ473-2014 English PDFUS$139.00 · In stock
Delivery: <= 2 days. True-PDF full-copy in English will be manually translated and delivered via email. BZJ473-2014: Cold rolled strip for internal magnetic shielding
Basic dataStandard ID: BZJ 473-2014 (BZJ473-2014)Description (Translated English): Cold rolled strip for internal magnetic shielding Sector / Industry: Chinese Industry Standard Word Count Estimation: 3,323 Issuing agency(ies): Baosteel Group Corporation BZJ473-2014: Cold rolled strip for internal magnetic shielding---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.Cold rolled strip for internal magnetic shielding Baoshan Iron & Steel Co., Ltd. Interim Technical delivery conditions Cold rolled steel internal magnetic shield 1 Scope Replacing BZ J 473-2009 The provisions of the Interim Technical delivery conditions for cold rolled steel internal magnetic shield and classification code, size, shape, weight, technology to Requirements, inspection and testing, packaging, marking and quality certification requirements. The technical delivery conditions apply to interim Baoshan Iron & Steel Ltd. manufactures a thickness of 0.12mm ~ 0.20mm internal magnetic shield of cold rolled steel (hereinafter referred to as strip). 2 Normative References The following documents for the application of this document is essential. For dated references, only the Release date applies to this document. For undated references, the latest edition (including all amendments ) Applies to this document. GB/T 222-2006 finished steel chemical composition and permissible variations GB/T 223 steel and alloy chemical analysis method RT Test Method. Test Part 1 GB/T 228.1-2010 metal material tensile Methods of measurement GB/T 2523-2008 cold-rolled sheet metal (with) the surface roughness and peak number of GB/T 2975-1998 steel and steel products for mechanical testing and sample preparation position GB/T 3655-2008 of magnetic energy (band) with Epstein measuring electrical steel sheet GB/T 4336-2002 carbon steel and low alloy steel spark source atomic emission spectrometry method (conventional method) GB/T 13888-1992 magnetic coercivity measured in an open magnetic circuit GB/T 20066-2006 Steel and iron - Sampling and determination of the chemical composition of the sample with a sample preparation method GB/T 20123-2006 Steel - Determination of total carbon and sulfur content of the high-frequency induction furnace combustion infrared absorption method (conventional method) Inductively coupled plasma atomic GB/T 20125-2006 low-alloy steel multi-element content Emission Spectrometry GB/T 20126-2006 Determination of non-alloy steel of low carbon content - Part 2. induction furnace (preheated) combustion within Infrared absorption method Size Q/BQB 401 cold-rolled steel sheet and strip, shape, weight and tolerance Q/BQB 408 cold forming of cold-rolled carbon steel sheet and strip JIS Z2241.2011 Metallic materials - Tensile testing - Method of test at room temperature 3 Terms and Definitions3.1 coercivity coercivity from a steady state of saturation magnetization of the sample, saturated hysteresis loop along the magnetic field changes monotonically, of the magnetic pole Strength along the saturated hysteresis loop is reduced to a safe field strength per meter 0.00 is called coercive force Hc with said unit (A/m). 3.2 magnetic properties (magnetic induction) magnetic polarization (magnetic flux density) Magnetization characteristic usually normal magnetization curve, corresponding to a given magnetic field strength of the magnetic induction (magnetic intensity) to represent. magnetic Induction of symbols B8, units T (Tesla). Example. B8 representation corresponds to a magnetic field strength of the magnetic flux density 800A/m when.4 Classification and designation4.1 grade steel and use shall comply with the provisions in Table 1. Table 1 Trademark use Delivery status BCB-1 internal magnetic shield with a soft state BCB-2 Hard Baoshan Iron & Steel Co. 2014-10-18 Issued on. 2014-03-31 before implementation 4.2 Press the strip surface quality distinction should meet the requirements of Table 2. Table 2 Level code More advanced surface finishing FB Advanced surface finishing FC 5 size, shape, weight and tolerance Strip thickness of 5.1 to allow deviation of ± 0.01mm. 5.2 Other dimensions of the strip, shape, weight and tolerances shall comply with the provisions of Q/BQB401 of.6 Technical Requirements6.1 Chemical composition Chemical composition of steel (melting analysis) shall meet the requirements of Table 3. The chemical composition of the finished strip tolerances shall comply with GB/T 222 Provisions. table 3 Chemical composition (Heat analysis)% (by mass) C Mn Si P S Alt BCB-1 BCB-2 ≤0.005 ≤0.50 ≤0.03 ≤0.03 ≤0.03 ≤0.05 6.2 steel smelting method used in steel using oxygen transfer Smelting furnace. 6.3 Delivery Status BCB-1 designation strip to annealing and smooth delivery, BCB-2 designation strip rolling hard to the state of delivery. 6.4 Mechanical Properties Mechanical properties of steel shall conform to Table 4. Table 4 Trademark A tensile test tensile strength MPa not less than The Elongation A50mm not less than BCB-1 196 28 BCB-2, 480 1 Sample, specimen orientation No.5 a sample of JIS Z2241 predetermined transverse. 6.5 Magnetic The magnetic strip can comply with Table 5. table 5 Trademark Coercivity maximum magnetic flux density Hc B8 A/m T Not more than not less than BCB-1 220 1.1 BCB-2 460 0.8 6.6 surface structure The average surface roughness Ra of the strip by 0.4μm≤Ra≤1.5μm control.7 inspection and testing7.1 strip appearance was visually inspected. 7.2 size of the strip, the shape should be appropriate measurement tool. 7.3 tensile test shall be in accordance with GB/T 228.1 Method B. In order to improve the reproducibility of the measurement results, we recommend using the beam displacement Control method, the yield strength measured rate of 5% Lc/min, as measured parallel to the tensile rate (Lc of the sample 40% Lc/min length). 7.4 Acceptance strip should grant each inspection lot shall be not more than 30 tons of the same grade, same size, same strip processing status composition. For weighing more than 30 tons of steel, each composed of a coil inspection lot. 7.5 each batch of test strip project, the number of tests, sampling methods and test methods shall comply with the provisions in Table 6. 7.6 The supplier may use different tests and test methods for acceptance testing. Event of a dispute, should present technical conditions Inspection and testing methods and related technical requirements for testing. Table 6 Number of samples test items (a) Test Method for Sampling method Chemical analysis 1/furnace GB/T 20066 GB/T 223, GB/T 4336, GB/T 20123, GB/T 20125, GB/T 20126 Mechanical Properties 1/batch GB/T 2975 GB/T 228.1 Method B Coercivity GB/T 13888 GB/T 13888 Magnetic flux density GB/T 3655 GB/T 3655 Average surface roughness - - GB/T 2523 8 Other strip other requirements (including size, shape, weight and tolerances, delivery status, surface quality, testing and commissioning Inspection, packaging, labeling and inspection documents, rounding off, etc.) shall comply with Q/BQB 408's. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of BZJ473-2014_English be delivered?Answer: Upon your order, we will start to translate BZJ473-2014_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 2 working days. 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