NB/T 47018.3-2017 PDF English
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivery | Name of Chinese Standard | Status |
| NB/T 47018.3-2017 | English | 215 |
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Technical permission of welding materials for pressure equipment - Section 3: Steel electrodes and rods for gas shielded arc welding
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| NB/T 47018.3-2011 | English | 239 |
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Technical permission of welding materials for pressure equipment. Section 3: Steel electrodes and rods for gas shielded arc welding
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NB/T 47018.3-2017: Technical permission of welding materials for pressure equipment - Section 3: Steel electrodes and rods for gas shielded arc welding
---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/NBT47018.3-2017
NB
ENERGY INDUSTRY STANDARD
OF THE PEOPLE’S REPUBLIC OF CHINA
ICS 25.160.10
J 33
Replacing NB/T 47018.3-2011
Technical Permission of Welding Materials for
Pressure Equipment Section 3: Steel Electrodes and
Rods for Gas Shielded Arc Welding
ISSUED ON: MARCH 28, 2017
IMPLEMENTED ON: AUGUST 01, 2017
Issued by: National Energy Administration
Table of Contents
Foreword ... 3
1 Scope ... 5
2 Normative References ... 5
3 Technical Requirements ... 6
4 Mechanical Properties and Bending Test of Deposited Metal ... 9
5 Product Marking ... 11
Appendix A (Informative) Comparison of Models of Stainless-Steel Welding
Wires and Designations and Categories at home and abroad ... 12
Appendix B (Informative) Tensile Properties of Deposited Metal of Stainless-
Steel Welding Wires and Filler Wires ... 13
Foreword
NB/T 47018-2017 Technical Permission of Welding Materials for Pressure
Equipment can be divided into 5 Parts:
--- Part 1: General Rule;
--- Part 2: Electrodes for Steel;
--- Part 3: Steel Electrodes and Rods for Gas Shielded Arc Welding;
--- Part 4: Electrodes and Fluxes or Submerged Arc Welding;
--- Part 5: Stainless-Steel Strip Electrodes and Fluxes for Overlay Welding.
This Part is the Part 3 of NB/T 47018-2017.
This Part was drafted as per the rules specified in GB/T 1.1-2009 Directives for
Standardization – Part 1: Structure and Drafting of Standards.
This Part revised NB/T 47018.3-2011 Technical Permission of Welding Materials for
Pressure Equipment - Part 3: Steel Electrodes and Rods for Gas Shielded Arc Welding.
Compared with NB/T 47018.3-2011, the major technical changes of this Part are as
follows:
--- Add GB/T 25774.1, GB/T 29713, YB/T 5092, AWS A5.9 in the normative
references;
--- Add 33 welding wire codes, thereof, including 11 codes of welding wires for
carbon steels and low-alloy steels: ER50-3, ER50-G, ER60-G, ER49-A1, ER55-
B6, ER55-D2-Ti, ER55-D2, ER55-G, ER62-D2, ER60-G, ER62-G; and 22 codes
of welding wires for stainless steel: S308, S308H, S308L, S308LSi, S309, S309L,
S309LSi, S309Mo, S309LMo, S310, S316, S316H, S316L, S316LSi, S317,
S317L, S318, S321, S347, S410, S430, S2209;
--- Modify the sulfur and phosphorus contents of some original welding wires and
filler wires for low-alloy steels; and specify the sulfur and phosphorus contents
for the newly added models of welding wires;
--- Adjust the provisions of impact test of deposited metal of original model welding
wire and filler wire; supplement the provisions of impact test of newly added
welding wire and filler wire for low-alloy steels;
--- Add the provisions for tensile test of deposited metal of welding wire and filler
wire;
--- Allow the use of transverse bending specimens in the bending test; and add the
Technical Permission of Welding Materials for
Pressure Equipment Section 3: Steel Electrodes and
Rods for Gas Shielded Arc Welding
1 Scope
This Part of NB/T 47018-2017 specifies the technical requirements, the mechanical
properties and bending tests of the deposited metal, and product marking for the steel
welding wires and filler wires for gas shielded arc welding.
This Part is applicable to carbon steel welding wire and filler wire for gas shielded arc
welding, low alloy steel welding wire and filler wire, stainless steel welding wire and
filler wire for pressure equipment.
2 Normative References
The following documents are essential to the application of this document. For the
dated documents, only the versions with the dates indicated are applicable to this
document; for the undated documents, only the latest version (including all the
amendments) is applicable to this document.
GB/T 2653 Bend Test Methods on Welded Joints
GB/T 8110 Welding Electrodes and Rods for Gas Shielding Arc Welding of Carbon
and Low Alloy Steel
GB/T 25774.1 Test Methods for Welding Consumables - Part 1: Preparation and
Testing of Deposited Metal Specimens for Mechanical Properties in Steel Nickel
and Nickel Alloys
GB/T 29713 Wire Electrodes, Strip Electrodes, Wires and Rods for Arc Welding
of Stainless and Heat Resisting Steels
NB/T 47013.2 Non-Destructive Testing of Pressure Equipment - Part 2:
Radiographic Testing
NB/T 47014 Welding Procedure Qualification for Pressure Equipment
NB/T 47018.1 Technical Permission of Welding Materials for Pressure Equipment
- Part 1: General Rule
YB/T 5092 Stainless Steel Wires for Welding
AWS A5.9/A5.9M:2006 Specification for Bare Stainless Steel Welding Electrodes
and Rods
3 Technical Requirements
3.1 General rules
a) In addition to complying with the provisions of GB/T 8110, the carbon steel, low
alloy steel welding wire and filler wire for gas shielded welding of pressure
equipment shall also comply with the provisions of NB/T 47018.1 and this Part;
b) In addition to complying with the provisions of GB/T 29713, the stainless-steel
welding wire and filler wire for gas shielded welding of pressure equipment shall
also comply with the provisions of YB/T 5092, NB/T 47018.1 and this Part;
c) Refer to Appendix A for the comparison between stainless-steel welding wire
models in this Part and designation and categories at home and abroad.
3.2 Roundness of welding wire
The out-of-roundness of the welding wire shall be no greater than 40% of the diameter
tolerance; but the out-of-roundness of 5% inspected welding wire is allowed to be
greater than 40% of the diameter tolerance, but no greater than 50% of the diameter
tolerance.
3.3 Chemical composition of welding wire
The sulfur and phosphorus contents of steel welding wire and filler wire for gas
shielded arc welding of pressure equipment are shown in Table 1.
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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