YB/T 5058-2005 English PDF (YBT5058-2005)

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YB/T 5058-2005: Cold-rolled spring and tool steel strips
YB/T 5058-2005
YB
NATIONAL FERROUS METALLURGY INDUSTRY
STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA
ICS 77.140.50
H 46
Replacing YB/T 5058-1993
Cold-Rolled Spring and Tool Steel Strips
ISSUED ON. JULY 26, 2005
IMPLEMENTED ON. DECEMBER 01, 2005
Issued by. National Development and Reform Commission
Table of Contents
Foreword ... 3
1 Scope ... 4
2 Normative References ... 4
3 Ordering Contents... 7
4 Classification and Code ... 7
5 Dimension, Shape, Weight and Allowable Tolerance ... 8
6 Technical Requirements ... 8
7 Test Methods ... 10
8 Inspection Rules ... 11
9 Package, Marking and Quality Certificate ... 12
Cold-Rolled Spring and Tool Steel Strips
1 Scope
This Standard specifies the classification and code, dimension, shape, weight,
technical requirements, test and inspection, package, marking and quality certificate,
etc. of cold-rolled spring and tool steel strips.
This Standard is applicable to the cold-rolled spring and tools steel strips for
manufacturing the springs, knives, tapes and other products with rolling width less than
600mm.
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 222-1984 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 223.9 Methods for Chemical Analysis of Iron, Steel and Alloy - The Chrome
Azurol S Photometric Method for the Determination of Aluminum Content
GB/T 223.10 Methods for Chemical Analysis of Iron, Steel and Alloy－The
Cupferron Separation - Chrome Azurol S Photometric Method for the
Determination of Aluminum Content
GB/T 223.11 Methods for Chemical Analysis of Iron, Steel and Alloy - Ammonium
Sulfate Oxidation Volumetric Method for the Determination of Chromium Content
GB/T 223.14 Methods for Chemical Analysis of Iron, Steel and Alloy - The N-
Benzoy-N-Phenylhydroxylamine Extraction Photometric Method for the
Determination of Vanadium Content
GB/T 223.16 Methods for Chemical Analysis of Iron, Steel and Alloy - The
Chromotropic Acid Photometric Method for the Determination of Titanium Content
GB/T 223.18 Methods for Chemical Analysis of Iron, Steel and Alloy - The Sodium
Thiosulfate Separation Iodometric 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 223.24 Methods for Chemical Analysis of Iron, Steel and Alloy - The
extraction separation - The Dimethylglyoxime Spectrophotometric Method for the
Determination of Nickel Content
GB/T 223.26 Methods for Chemical Analysis of Iron, Steel and Alloy -
Determination of Molybdenum Content - The Thiocyanate Spectrophotometric
Method
GB/T 223.27 Methods for Chemical Analysis of Iron, Steel and Alloy - The
Thiocyanate-Butyl Acetate Extraction Spectrophotometric Method for the
Determination of Molybdenum Content
GB/T 223.39 Methods for Chemical Analysis of Iron, Steel and Alloy - The
Sulphochlorophenol S Photometric Method for the Determination of Niobium
Content
GB/T 223.54 Methods for Chemical Analysis of Iron, Steel and Alloy - The Flame
Atomic Absorption Spectrophotometric Method for the Determination of Nickel
Content (GB/T 223.54-2004, ISO 4940.1985, eqv)
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 Methods for Chemical Analysis of Iron, Steel and Alloy - The
Reduced Molybdoantimonyl Phosphoric Acid Photometric Method for the
Determination of Phosphorus 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 223.61 Methods for Chemical Analysis of Iron, Steel and Alloy - The
Ammonium Phosphomolybdate Volumetric Method for the Determination of
Phosphorus Content
GB/T 247-1997 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 1299-2000 Alloy Tool Steels
GB/T 15391-1994 Dimensions, Shape and Tolerances for Cold-Rolled Steel Strips
with a Width Less Than 600mm
3 Ordering Contents
When ordering product, the user shall provide the following information.
a) Standard number;
b) Designation;
c) Specification and dimension accuracy;
d) Surface level;
e) Delivery state;
f) Edge state;
g) Weight;
h) Package requirements;
i) Other requirements.
4 Classification and Code
4.1 Classification by edge state
Trimming EC
Non-trimming EM
4.2 Classification by dimension accuracy
Ordinary thickness accuracy PT. A