GB/T 33958-2017 English PDF (GBT33958-2017)

Delivery: 3 seconds. Download true-PDF + Invoice.
Get QUOTATION in 1-minute: Click GB/T 33958-2017
Historical versions: GB/T 33958-2017
Preview True-PDF (Reload/Scroll if blank)

GB/T 33958-2017: Wire rods for pipeline steel SAW electrodes
GB/T 33958-2017
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 77.140.60
H 44
Wire rods for pipe line steel SAW electrodes
ISSUED ON. JULY 12, 2017
IMPLEMENTED ON. APRIL 1, 2018
Issued by. General Administration of Quality Supervision, Inspection and
Quarantine of the PRC;
Standardization Administration of the PRC.
Table of Contents
Foreword ... 3 
1 Scope ... 4 
2 Normative references ... 4 
3 Designation representation method ... 7 
4 Order content ... 7 
5 Dimension, shape, mass and tolerance ... 8 
6 Technical requirements ... 8 
7 Test methods ... 10 
8 Inspection rules ... 10 
9 Packaging, marking, and quality certificate ... 11 
Appendix A (Informative) Comparison table of this Standard’s wire rod
designation and related standards ... 12 
Wire rods for pipe line steel SAW electrodes
1 Scope
This Standard specifies the designation, order content, dimension, shape, mass
and tolerance, technical requirements, test methods, inspection rules,
packaging, marking, and quality certificate of wire rods for pipe line steel SAW
electrodes.
This Standard applies to wire rods for pipe line steel SAW electrodes.
2 Normative references
The following documents are indispensable for the application of this document.
For the dated references, only the versions with the dates indicated are
applicable to this document. For the undated references, the latest version
(including all the amendments) are applicable to this document.
GB/T 223.3 Methods for Chemical Analysis of Iron, Steel and Alloy - The
Diantipyrylmethane Phosphomolybdate Gravimetric Method for the
Determination of Phosphorus Content
GB/T 223.4 Alloyed steel - Determination of manganese content -
Potentiometric or visual titration method
GB/T 223.5 Steel and iron - Determination of acid-soluble silicon and total
silicon content - Reduced molybdosilicate spectrophotometric method
GB/T 223.9 Iron steel and alloy - Determination of aluminium content - Chrom
azurol S photometric method
GB/T 223.11 Iron, Steel and Alloy - Determination of Chromium Content -
Visual Titration or Potentiometric Titration Method
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 223.14 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
GB/T 223.64 Iron, steel and alloy - Determination of manganese content -
Flame atomic absorption spectrometric method
GB/T 223.67 Iron, steel and alloy - Determination of sulfur content -
Methylene blue spectrophotometric method
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 Iron, steel and alloy - Determination of carbon contents - Gas-
volumetric method after combustion in the pipe furnace
GB/T 223.71 Methods for chemical analysis of iron, steel and alloy - The
gravimetric method after combustion in the pipe furnace for the determination
of carbon content
GB/T 223.72 Iron, steel and alloy - Determination of sulfur content -
Gravimetric method
GB/T 223.74 Methods for chemical analysis of iron, steel and alloy - The
combustion gravimetric/gas-volumetric method for the determination of
combined carbon content
GB/T 223.75 Iron steel and alloy - Determination of boron content - Methanol
distillation-curcumin photometric method
GB/T 228.1 Metallic materials - Tensile testing - Part 1. Method of test at
room temperature
GB/T 2101 General requirement of acceptance, packaging, marking and
certification for section steel
GB/T 2975 Steel and steel products - Location and preparation of samples
and test pieces for mechanical testing
GB/T 4336 Carbon and low-alloy steel - Determination of multi-element
contents - Spark discharge atomic emission spectrometric method (routine
method)
GB/T 10561 Steel - Determination of Content of Nonmetallic Inclusions -
Micrographic Method Using Standards Diagrams
GB/T 13298 Inspection methods of microstructure for metals
GB/T 14981-2009 Dimension shape mass and tolerance for hot-rolled round
wire rod
right to inspect and accept according to the corresponding standards or
contracts.
8.2 Lot grouping rule
The wire rods shall be accepted in lots. Each lot shall consist of the wire rods
of the same furnace number, the same designation, and the same specification.
8.3 Sampling quantity
The sampling quantity for quality inspection of wire rod shall comply with the
requirements of Table 2.
8.4 Reinspection and judgement rules
The reinspection and judgement rules of the wire rod shall be in accordance
with the provisions of GB/T 2101.
8.5 Rounding off of numerical values
The numerical values of inspection result shall, by rounded-off value
comparison method, be rounded off to be consistent with the number of digits
indicated by the specified value standard. The rule for rounding off shall comply
with YB/T 081.
9 Packaging, marking, and quality certificate
The packaging, marking, and quality certificate of the wire rod shall be carried
out in accordance with the provisions of GB/T 2101.