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GB/T 33964-2017
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 77.140.60
H 44
Wire rods for welding solid electrodes of
atmospheric corrosion resisting steels
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 ... 8
5 Dimension, shape, mass and tolerance ... 8
6 Technical requirements ... 8
7 Test methods ... 11
8 Inspection rules ... 11
9 Packaging, marking, and quality certificate ... 12
Appendix A (Informative) Comparison of this Standard’s designation and
related standards ... 13
Wire rods for welding solid electrodes of
atmospheric corrosion resisting steels
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 welding solid
electrodes of atmospheric corrosion resisting steels.
This Standard is applicable to the wire rods for the production of welding solid
electrodes for atmospheric corrosion resisting steel gas-shielded arc welding
and submerged-arc automatic welding (hereinafter abbreviated as gas-
shielded electrodes and submerged-arc 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
Phosphomolybdate Blue Spectrophotometric Method
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 223.62 Methods for chemical analysis of iron, steel and alloy - The
butyl acetate extraction photometric method for the determination of
phosphorus content
GB/T 223.63 Methods for chemical analysis of iron, steel and alloy - The
sodium (potassium) periodate photometric method for the determination of
manganese content
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 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
H - “Steel for welding”; 08 - Average carbon content (mass fraction); MnSiNiCu - Main
alloying elements.
Example 2. H08MnSiCrNiCuA
H - “Steel for welding”; 08 - Average carbon content (mass fraction); MnSiCrNiCu - Main
alloying elements; A - High-grade fine steel.
4 Order content
The contract for ordering according to this Standard shall include the following.
a) Product name;
b) Standard number;
c) Designation;
d) Nominal dimension;
e) Accuracy level of dimension and shape;
f) Delivery mass and quantity;
g) Special requirements.
5 Dimension, shape, mass and tolerance
5.1 The dimension, shape and tolerance of the wire rod shall be in accordance
with the requirements of Level B or Level C accuracy in GB/T 14981-2009. The
specific accuracy level requirements shall be indicated in the contract. If not
specified, the Level B accuracy provisions shall be implemented.
5.2 The wire rod shall be delivered according to the actual mass. If the supplier
and the buyer do not expressly stipulate in the contract, the mass of the wire
rod shall comply with the provisions of GB/T 14981-2009.
6 Technical requirements
6.1 Designation and chemical composition
6.1.1 The designation and chemical composition (finished product analysis) of
the wire rods used to make gas-shielded electrodes and submerged-arc
electrodes are shown in Table 1 and Table 2. SEE Appendix A for a comparison
of this Standard’s designation with other standards.
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, the same dimension, and
the same delivery state.
8.3 Sampling quantity
The sampling quantity for quality inspection of wire rod shall comply with the
requirements of Table 3.
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.
......
(Above excerpt was released on 2018-09-01, modified on 2021-06-07, translated/reviewed by: Wayne Zheng et al.)
Source: https://www.chinesestandard.net/PDF.aspx/GBT33964-2017