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GB/T 25048-2019 English PDF (GBT25048-2019)
GB/T 25048-2019 English PDF (GBT25048-2019)
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GB/T 25048-2019: Metallic materials -- Tube -- Ring tensile test
GB/T 25048-2019
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
Get QUOTATION in 1-minute: Click GB/T 25048-2019
Historical versions: GB/T 25048-2019
Preview True-PDF (Reload/Scroll if blank)
GB/T 25048-2019: Metallic materials -- Tube -- Ring tensile test
GB/T 25048-2019
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
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