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GB/T 25048-2019 PDF English

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GB/T 25048-2019: Metallic materials - Tube - Ring tensile test
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GB/T 25048: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] deliveryName of Chinese StandardStatus
GB/T 25048-2019English90 Add to Cart 0-9 seconds. Auto-delivery Metallic materials - Tube - Ring tensile test Valid
GB/T 25048-2010English199 Add to Cart 3 days Metallic materials -- Tube -- Ring tensile test Obsolete

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GB/T 25048-2019: Metallic materials - Tube - Ring tensile test

---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/GBT25048-2019
NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 77.040.10 H 23 GB/T 25048-2019 / ISO 8496:2013 Replacing GB/T 25048-2010 Metallic materials - Tube - Ring tensile test (ISO 8496:2013, IDT) ISSUED ON: AUGUST 30, 2019 IMPLEMENTED ON: JULY 01, 2020 Issued by: State Administration for Market Regulation; Standardization Administration of the People’s Republic of China.

Table of Contents

Foreword ... 3 1 Scope ... 4 2 Principle ... 4 3 Test equipment ... 4 4 Sample ... 5 5 Test procedure ... 5 6 Test report ... 5 Metallic materials - Tube - Ring tensile test

1 Scope

This Standard specifies the metallic tube ring tensile test methods that stretch the sample until it breaks to expose the surface and internal defects of the sample. This Standard can also be used to evaluate the ductility of metallic tube. This Standard is applicable to the metallic tube, of which the outer diameter is more than 150 mm, the wall thickness is not more than 40 mm and the inner diameter is more than 100 mm. 2 Principle Cut a section of tube ring sample from one end of the metallic tube; let the metallic tube ring sample bear the circumferential deformation until fracture occurs. 3 Test equipment Use 2 cylindrical pins of the same diameter; their axes are parallel, and relatively movable; remain parallel during the movement. In principle, the diameter of the cylindrical pin shall be the minimum value of the allowable strength. The diameter of the cylindrical pin shall be at least 3 times the wall thickness of the tube ring, if the inner diameter of the metallic tube ring is allowed (as shown in Figure 1). in millimeters ......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.


      

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