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GB/T 5028-2008 English PDF (GBT5028-2008)
GB/T 5028-2008 English PDF (GBT5028-2008)
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GB/T 5028-2008: Metallic materials -- Sheet and strip -- Determination of tensile strain hardening exponent
GB/T 5028-2008
Metallic materials. Sheet and strip. Determination of tensile strain hardening exponent
ICS 77.040.10
H22
National Standards of People's Republic of China
Replacing GB/T 5028-1999
Metallic materials - Sheet and strip -
Determination of tensile strain hardening exponent (state value)
(ISO 10275.2007, MOD)
Posted 2008-12-06
2009-10-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
This revised standard adopts the International Standard ISO 10275.2007 "Metallic materials - Sheet and strip tensile strain hardening exponent (state value)
Determination "(in English).
The standard international standard ISO 10275.2007 has been modified in the following areas.
a) Normative references made to change by pressing the corresponding national standards;
b) Remove the International Standard Appendix A;
c) delete the references to international standards;
d) Remove the International Standard Note 1 in Table 1;
e) of the ISO 10275.2007 in 7.5 content has been added and perfected. the method specified in 7.5.1 A, increasing the Note 2.
7.5.2 In a new addition to the method B, and add a note.
For ease of use, this standard also made the following editorial changes.
a) "this International Standard" be replaced by "this standard";
b) use a decimal point instead of a decimal comma ",". ",";
c) Remove the preface to the international standards.
This standard replaces GB/T 5028-1999 "Test Method for metal sheet and strip tensile strain hardening exponent (like value)", the following main
Technical content has been modified.
--- Chapters were rearranged;
--- Remove the test equipment some of the terms;
--- Remove the sample type part of the terms;
--- With "true plastic strain" instead of the original "true strain" concept;
--- The new standard adds A method to calculate the true plastic strain, in addition to the provisions of the approximate calculation method B true plastic strain (ie, not
The elastic strain from the total strain deducted, so as to preserve the GB/T 5028-1999 in the calculation method, like the value of the return interval
The total represents the use of engineering strain. For steel sheet and strip, if less than 10% of the total elastic strain strain, Method A and Party
Measurement results obtained by both method B there is no significant difference);
--- Modify a symbol like the next convention marked increase plasticity (engineering) strain range, as like 2-20/Ag or the like 2-Ag;
--- Like rounding interval value was adjusted to 0.01 by the 0.005;
--- Remove the original standard in Appendix A.
The standard proposed by China Iron and Steel Association.
This standard is under the jurisdiction of the National Steel Standardization Technical Committee.
This standard was drafted. Wuhan Iron and Steel (Group) Company, Baoshan Iron and Steel Co., Panzhihua Iron and Steel Institute.
The main drafters of this standard. IRON coating should macros, Zhu Hongchuan, Long Yan, Li Heping, Zhang Xiaohua.
This standard replaces the standards previously issued as follows.
GB/T 5028-1985, GB/T 5028-1999.
Metallic materials - Sheet and strip -
Determination of tensile strain hardening exponent (state value)
1 Scope
This standard specifies the metal sheet and strip tensile strain hardening exponent (like value) measurement method.
This method applies only to plastic deformation within the scope of the stress - strain curve monotonously continuous increase in part (see 7.4).
If the material stress hardening phase - strain curves jagged (such as certain AlMg alloy exhibits a Portevin-
LeChatelier serrated yielding effect), so that the results given to a certain repetitive, automatic measurement methods should be used (real stress -
True plastic strain logarithmic linear regression, see 7.7).
2 Normative references
The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent
Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research
Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard.
GB/T 228 metal materials at room temperature tensile test method (GB/T 228-2002, eqv ISO 6892.1998)
2006, IDT)
GB/T 8170 repair value expressed about the rules and limit values \u200b\u200band judgment
GB/T 12160 uniaxial extensometer calibration test (GB/T 12160-2002, idt ISO 9513.1999)
Inspection and correction tension and (or) pressure testing machine force measuring system. GB/T 16825.1 of static uniaxial testing machines - Part 1
Associate (GB/T 16825.1-2002, ISO 7500-1.2004, MOD)
3 Symbols and
3.1 Use of standard symbols and descriptions are shown in Table 1.
Table 1 Symbols and
Symbol Description Unit
Le mm extensometer gauge length
Instantaneous △ L extensometer gauge length portion extending mm
L extensometer gauge length from the transient portion of the L = Le + △ L mm
Mm2 cross-sectional area parallel to the original length of the portion of the sample S0
S's cross-sectional area mm2
Get Quotation: Click GB/T 5028-2008 (Self-service in 1-minute)
Historical versions (Master-website): GB/T 5028-2008
Preview True-PDF (Reload/Scroll-down if blank)
GB/T 5028-2008: Metallic materials -- Sheet and strip -- Determination of tensile strain hardening exponent
GB/T 5028-2008
Metallic materials. Sheet and strip. Determination of tensile strain hardening exponent
ICS 77.040.10
H22
National Standards of People's Republic of China
Replacing GB/T 5028-1999
Metallic materials - Sheet and strip -
Determination of tensile strain hardening exponent (state value)
(ISO 10275.2007, MOD)
Posted 2008-12-06
2009-10-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
This revised standard adopts the International Standard ISO 10275.2007 "Metallic materials - Sheet and strip tensile strain hardening exponent (state value)
Determination "(in English).
The standard international standard ISO 10275.2007 has been modified in the following areas.
a) Normative references made to change by pressing the corresponding national standards;
b) Remove the International Standard Appendix A;
c) delete the references to international standards;
d) Remove the International Standard Note 1 in Table 1;
e) of the ISO 10275.2007 in 7.5 content has been added and perfected. the method specified in 7.5.1 A, increasing the Note 2.
7.5.2 In a new addition to the method B, and add a note.
For ease of use, this standard also made the following editorial changes.
a) "this International Standard" be replaced by "this standard";
b) use a decimal point instead of a decimal comma ",". ",";
c) Remove the preface to the international standards.
This standard replaces GB/T 5028-1999 "Test Method for metal sheet and strip tensile strain hardening exponent (like value)", the following main
Technical content has been modified.
--- Chapters were rearranged;
--- Remove the test equipment some of the terms;
--- Remove the sample type part of the terms;
--- With "true plastic strain" instead of the original "true strain" concept;
--- The new standard adds A method to calculate the true plastic strain, in addition to the provisions of the approximate calculation method B true plastic strain (ie, not
The elastic strain from the total strain deducted, so as to preserve the GB/T 5028-1999 in the calculation method, like the value of the return interval
The total represents the use of engineering strain. For steel sheet and strip, if less than 10% of the total elastic strain strain, Method A and Party
Measurement results obtained by both method B there is no significant difference);
--- Modify a symbol like the next convention marked increase plasticity (engineering) strain range, as like 2-20/Ag or the like 2-Ag;
--- Like rounding interval value was adjusted to 0.01 by the 0.005;
--- Remove the original standard in Appendix A.
The standard proposed by China Iron and Steel Association.
This standard is under the jurisdiction of the National Steel Standardization Technical Committee.
This standard was drafted. Wuhan Iron and Steel (Group) Company, Baoshan Iron and Steel Co., Panzhihua Iron and Steel Institute.
The main drafters of this standard. IRON coating should macros, Zhu Hongchuan, Long Yan, Li Heping, Zhang Xiaohua.
This standard replaces the standards previously issued as follows.
GB/T 5028-1985, GB/T 5028-1999.
Metallic materials - Sheet and strip -
Determination of tensile strain hardening exponent (state value)
1 Scope
This standard specifies the metal sheet and strip tensile strain hardening exponent (like value) measurement method.
This method applies only to plastic deformation within the scope of the stress - strain curve monotonously continuous increase in part (see 7.4).
If the material stress hardening phase - strain curves jagged (such as certain AlMg alloy exhibits a Portevin-
LeChatelier serrated yielding effect), so that the results given to a certain repetitive, automatic measurement methods should be used (real stress -
True plastic strain logarithmic linear regression, see 7.7).
2 Normative references
The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent
Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research
Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard.
GB/T 228 metal materials at room temperature tensile test method (GB/T 228-2002, eqv ISO 6892.1998)
2006, IDT)
GB/T 8170 repair value expressed about the rules and limit values \u200b\u200band judgment
GB/T 12160 uniaxial extensometer calibration test (GB/T 12160-2002, idt ISO 9513.1999)
Inspection and correction tension and (or) pressure testing machine force measuring system. GB/T 16825.1 of static uniaxial testing machines - Part 1
Associate (GB/T 16825.1-2002, ISO 7500-1.2004, MOD)
3 Symbols and
3.1 Use of standard symbols and descriptions are shown in Table 1.
Table 1 Symbols and
Symbol Description Unit
Le mm extensometer gauge length
Instantaneous △ L extensometer gauge length portion extending mm
L extensometer gauge length from the transient portion of the L = Le + △ L mm
Mm2 cross-sectional area parallel to the original length of the portion of the sample S0
S's cross-sectional area mm2
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