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GB/T 37430-2019: High Strength Stainless Structural Steel for Constructions 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 37430-2019: High Strength Stainless Structural Steel for Constructions---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/GBT37430-2019NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 77.140.70 H 44 High Strength Stainless Structural Steel for Constructions ISSUED ON: MAY 10, 2019 IMPLEMENTED ON: APRIL 1, 2020 Issued by: State Administration for Market Regulation; Standardization Administration of the People’s Republic of China. Table of ContentsForeword ... 3 1 Scope ... 4 2 Normative References ... 4 3 Terms and Definitions ... 6 4 Dimensions, Shape, Weight and Tolerances ... 6 5 Technical Requirements ... 7 6 Test Methods ... 9 7 Inspection Rules ... 9 8 Packaging, Marking and Quality Certificate ... 10 Appendix A (informative) Typical Images of Metallographic Structure ... 11 High Strength Stainless Structural Steel for Constructions1 ScopeThis Standard stipulates the terms, definitions, dimensions, shape and weight tolerances, technical requirements, test methods, inspection rules, packaging, marking and quality certificate of high strength stainless structural steel for constructions. This Standard is applicable to 12Cr13Ni2 high strength stainless structural steel plates (or steel strips), section steel and steel rods (hereinafter referred to as stainless steel) for constructions.2 Normative ReferencesThe following documents are indispensable to the application of this document. In terms of references with a specified date, only versions with a specified date are applicable to this document. In terms of references without a specified date, the latest version (including all the modifications) is applicable to this document. GB/T 222 Permissible Tolerances for Chemical Composition of Steel Products GB/T 223.3 Methods for Chemical Analysis of Iron, Steel and Alloy - The Diantipyryl Methane Phosphomolybdate Gravimetric Method for the Determination of Phosphorous Content GB/T 223.5 Steel and Iron - Determination of Acid-soluble Silicon and Total Silicon Content - Reduced Molybdosilicate Spectrophotometric Method GB/T 223.11 Iron, Steel and Alloy - Determination of Chromium Content - Visual Titration or Potentiometric Titration Method GB/T 223.23 Iron, Steel and Alloy - Determination of Nickel Content - The Dimethylglyoxime Spectrophotometric 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 223.58 Methods for Chemical Analysis of Iron, Steel and Alloy - The Sodium Arsenite-sodium Nitrite Titrimetric Method for the Determination of Manganese Content GB/T 223.59 Iron, Steel and Alloy - Determination of Phosphorus Content - Bismuth Phosphomolybdate Blue Spectrophotometric Method and Antimony GB/T 709 Dimension, Shape, Weight and Tolerance for Hot-rolled Steel Strip, Plate and Sheet GB/T 2101 General Requirement of Acceptance, Packaging, Marking and Certification for Section Steel GB/T 2975 Steel and Steel Products - Location and Preparation of Samples and Test Pieces for Mechanical Testing GB/T 4237 Hot Rolled Stainless Steel Plate, Sheet and Strip GB/T 10561 Steel - Determination of Content of Nonmetallic Inclusions - Micrographic Method Using Standards Diagrams GB/T 11170 Stainless Steel - Determination of Multi-element Contents - Spark Discharge Atomic Emission Spectrometric Method (routine method) GB/T 11263 Hot-rolled H and Cut T Section Steel GB/T 13298 Inspection Methods of Microstructure for Metals GB/T 20066 Steel and Iron - Sampling and Preparation of Samples for the Determination of Chemical Composition YB/T 081 Rule for Rounding-off of Numerical Values and Judgement of Testing Values for Technical Standards of Metallurgy3 Terms and DefinitionsThe following terms and definitions are applicable to this document. 3.1 High Strength Stainless Structural Steel for Constructions High strength stainless structural steel for constructions refers to steel for architecture structural engineering, which takes stainless and anti-corrosion as the main characteristic; and complies with following stipulations: non-proportional extension strength shall be not lower than 600 MPa, carbon content shall be not more than 0.16%, chromium content shall be not less than 12.5%, metallographic structure shall be tempered sorbite.4 Dimensions, Shape, Weight and TolerancesThe dimensions, shape, weight and tolerances of hot-rolled steel bars shall respectively comply with relevant stipulations in GB/T 702. The dimensions, shape, weight and tolerances of hot-rolled steel plates shall Stainless steel shall receive acceptance check in batches. Each batch shall be constituted of steel materials of the same furnace No., the same dimensions and the same delivery state. 7.3 Re-inspection and Determination The re-inspection and determination of stainless steel shall comply with GB/T 247 or GB/T 2101. 7.4 Rounding-off of Numerical Value The rounding-off of numerical value in the inspection result shall comply with the stipulations in YB/T 081.8 Packaging, Marking and Quality CertificateThe packaging, marking and quality certificate of stainless steel shall comply with the stipulations in GB/T 247 or GB/T 2101. ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. 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