YB/T 5063-2007 PDF English
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| YB/T 5063-2007 | English | 70 |
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Heat Treatment Spring Steel Strips
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| YB/T 5063-1993 | English | 279 |
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Heat treatment spring steel strips
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YB/T 5063-2007: Heat Treatment Spring Steel Strips---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/YBT5063-2007
YB
NATIONAL FERROUS METALLURGY INDUSTRY
STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA
ICS 77.140.50
H 46
Replacing YB/T 5063-1993
Heat Treatment Spring Steel Strips
Issued on: JANUARY 25, 2007
Implemented on: JULY 01, 2007
Issued by. National Development and Reform Commission
Table of Contents
Foreword ... 3
1 Scope ... 4
2 Normative References ... 4
3 Classification and Code ... 6
4 Dimension, Shape and Tolerance ... 6
5 Ordering Contents... 6
6 Technical Requirements ... 7
7 Test Methods ... 9
8 Inspection Rules ... 9
9 Package, Marking and Quality Certificate ... 10
Heat Treatment Spring Steel Strips
1 Scope
This Standard specifies the classification and code, dimension, shape, technical
requirements, test methods, inspection rules, package, marking and quality certificate,
etc. of the heat treatment spring steel strips.
This Standard is applicable to the heat treatment spring steel strips with thickness no
greater than 1.50mm, width no greater than 100mm for manufacturing the spring parts.
2 Normative References
The provisions in following documents become the provisions of this Standard through
reference in this Standard. For dated references, the subsequent amendments
(excluding corrigendum) or revisions do not apply to this Standard, however, parties
who reach an agreement based on this Standard are encouraged to study if the latest
versions of these documents are applicable. For undated references, the latest edition
of the referenced document applies.
GB/T 222 Method of Sampling Steel for Determination of Chemical Composition
and Permissible Variations for Product Analysis
GB/T 223.3 Methods for Chemical Analysis of Iron, Steel and Alloy - The
Diantipyryl Methane Phosphomolybdate Gravimetric Method for the Determination
of Phosphorus Content
GB/T 223.12 Methods for Chemical Analysis of Iron, Steel and Alloy - The Sodium
Carbonate Separation-Diphenyl Carbazide Photometric Method for the
Determination of Chromium Content
GB/T 223.19 Methods for Chemical Analysis of Iron, Steel and Alloy - The
Neocuproine-Chloroform Extraction Photometric Method for the Determination of
Copper Content
GB/T 223.23 Methods for Chemical Analysis of Iron, Steel and Alloy - The
Dimethylglyoxime Spectrophotometric 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 223.60 Methods for Chemical Analysis of Iron, Steel and Alloy - The
Perchloric Acid Dehydration Gravimetric Method for the Determination of Silicon
Content
GB/T 223.68 Methods for Chemical Analysis of Iron, Steel and Alloy - The
Potassium Iodate Titration Method After Combustion in the Pipe Furnace for the
Determination of Sulfur Content
GB/T 223.69 Methods for Chemical Analysis of Iron, Steel and Alloy -
Determination of Carbon Contents - Gas-Volumetric Method after Combustion in
the Pipe Furnace
GB/T 224 Determination of Depth of Decarburization of Steels
GB/T 228 Metallic Materials – Tensile Testing at Ambient Temperature (GB/T 228-
2002, eqv ISO 6892.1998)
GB/T 235 Metallic Materials - Sheet and Strip 3 Mm Thick or less - Reverse Bend
Test (GB/T 235-1999, eqv ISO 7799.1985)
GB/T 247 General Rule of Acceptance, Package, Mark and Certification for Steel
Plates (Sheets) and Strips
GB/T 1222-1984 Spring Steels
GB/T 1298-1986 Carbon Tool Steels - Technical Requirements
GB/T 2523 Measuring Method of Surface Roughness and Peak Count for Cold-
Rolled Metal Sheet (Strip)
GB/T 4340.1 Metallic Materials - Vickers Hardness Test - Part 1. Test Method
(GB/T 4340.1-1999, eqv ISO 6507-1.1987)
GB/T 15391 Dimensions, Shape and Tolerances for Cold-Rolled Steel Strips with
a Width Less Than 600mm
GB/T 20066 Steel and Iron-Sampling and Preparation of Samples for the
Determination of Chemical Composition (GB/T 20066-2006, ISO 14284.1996, IDT)
YB/T 5058-2005 Cold-Rolled Spring and Tool Steel Strips
a) Standard number;
b) Designation;
c) Dimension and dimension accuracy;
d) Edge state;
e) Groups of mechanical properties;
f) Surface state;
g) Weight;
h) Package requirements;
i) Other requirements.
6 Technical Requirements
6.1 Designations and Chemical Compositions
6.1.1 Steel strips is rolled by the steel with designations of T7A, T8A, T9A, T10A, 65Mn,
60Si2MnA, 70Si2CrA. The chemical compositions of T7A, T8A, T9A, T10A shall
conform to the provisions of GB/T 1298-1986. The chemical compositions of 65Mn,
60Si2MnA shall conform to the provisions of GB/T 1222-1984. The chemical
compositions of 70Si2CrA shall conform to the provisions of YB/T 5058-2005.
6.1.2 The tolerance of the finished product analysis of steel strips shall conform to the
provisions of GB/T 222.
6.1.3 Through the consultation between the supplier and the purchaser, the steel strips
can also be rolled with other designations; the chemical compositions shall be agreed
by the two parties.
6.2 Mechanical properties
6.2.1 The tensile properties of the steel strip shall conform to the provisions of Table 1.
According to the demand of the purchaser, through the negotiation between the two
parties, for the steel strips with Level-III strength, its strength value can be specified
with the upper limit.
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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