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NB/T 47018.6-2022 English PDF (NBT47018.6-2011)

NB/T 47018.6-2022_English: PDF (NB/T47018.6-2022)
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NB/T 47018.6-2022English185 Add to Cart 0--9 seconds. Auto-delivery Technical conditions for ordering welding materials for pressure equipment - Part 6: Aluminum and aluminum alloy welding wires and filler wires Valid NB/T 47018.6-2022
NB/T 47018.6-2011English70 Add to Cart 0--9 seconds. Auto-delivery Technical permission of welding materials for pressure equipment. Section 6: Bare aluminum and aluminum-alloy welding electrodes and rods Obsolete NB/T 47018.6-2011


BASIC DATA
Standard ID NB/T 47018.6-2022 (NB/T47018.6-2022)
Description (Translated English) (Specifications for ordering welding consumables for pressure equipment - Part 6: Welding wires and filler wires for aluminum and aluminum alloys)
Sector / Industry Energy Industry Standard (Recommended)
Word Count Estimation 10,191
Date of Issue 2022-11-04
Date of Implementation 2022-12-31

BASIC DATA
Standard ID NB/T 47018.6-2011 (NB/T47018.6-2011)
Description (Translated English) Technical permission of welding materials for pressure equipment. Section 6: Bare aluminum and aluminum-alloy welding electrodes and rods
Sector / Industry Energy Industry Standard (Recommended)
Classification of Chinese Standard J33
Classification of International Standard 25.160.10
Word Count Estimation 11,137
Date of Issue 2011-07-01
Date of Implementation 2011-10-01
Older Standard (superseded by this standard) JB/T 4747-2002
Quoted Standard GB/T 20975.13; GB/T 20975.14; GB/T 20975.15; GB/T 20975.16; GB/T 20975.17; GB/T 20975.18; GB/T 20975.19; GB/T 20975.20; GB/T 20975.21; GB/T 20975.22; GB/T 20975.23; GB/T 20975.24; GB/T 20975.25; NB/T 47018.1; JB/T 4730.2; GB/T 2653; GB/T 10858; GB/T 20975.1; GB/T 20975.2; GB/T 20975.3; GB/T 20975.4; GB/T 20975.5; GB/T 20975.6; GB/T 20975.7; GB/T 20975.8; GB/T 20975.9; GB/T 20975.10; GB/T 20975.11; GB/T 20975.12
Drafting Organization Hefei General Machinery Research Institute
Administrative Organization National Standardization Technical Committee Boiler and Pressure Vessel
Regulation (derived from) ?National Energy Board Announcement 2011 No.3
Summary This standard specifies the type of preparation of aluminum and aluminum alloy wire and filled with silk, technical requirements, test methods, inspection rules. This section applies to pressure equipment welding, gas tungsten arc welding, MIG welding and plasma arc welding of aluminum and aluminum alloy wire and filled with silk.


NB/T 47018.6-2022 NB ENERGY INDUSTRY STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 25.160.10 CCS J 33 Replacing NB/T 47018.6-2011 Specification of Welding Materials for Pressure Equipment - Section 6: Bare Aluminum and Aluminum-Alloy Welding Electrodes and Rods ISSUED ON: NOVEMBER 4, 2022 IMPLEMENTED ON: DECEMBER 31, 2022 Issued by: National Energy Administration Table of Contents Foreword ... 3 1 Scope ... 5 2 Normative References ... 5 3 Technical Requirements ... 5 4 Test Methods and Inspection Rules ... 7 5 Product Identification... 11 Foreword This Document was drafted as per the rules specified in GB/T 1.1-2020 Directives for Standardization – Part 1: Rules for the Structure and Drafting of Standardizing Documents. This Document is Part 6 of NB/T 47018 Technical Permission of Welding Materials for Pressure Equipment. NB/T 47018 consists of the following parts: --- Part 1: General Rules of Procurement; --- Part 2: Electrodes for Steel; --- Part 3: Steel Electrodes and Rods for Gas Shielded Arc Welding; --- Part 4: Electrodes and Fluxes for Submerged Arc Welding; --- Part 5: Stainless-Steel Strip Electrodes and Fluxes for Overlay Welding; --- Part 6: Aluminum and Aluminum Alloy Welding Wires and Filler Wires; --- Part 7: Titanium and Titanium Alloy Welding Wires and Filler Wires. This Document replaced NB/T 47018.6-2011 Technical Permission of Welding Materials for Pressure Equipment - Part 6: Bare Aluminum and Aluminum-Alloy Welding Electrodes and Rods. Compared with NB/T 47018.6-2011, the major technical changes of this Document are as follows besides the structural adjustments and editorial modifications: a) Deleted the relevant contents on model classification and model compilation method (see Clause 3 of the 2011 Edition); b) Modify the model representation method of aluminum welding wire and filler wire according to GB/T 10858; delete the uncommon aluminum alloy welding wires SA14009, SA14011, SA14010, SA14145, SA14643, SA15654; and add SA15087 (see Table 1 of this Edition; Table 1 of the 2011 Edition); c) Delete the table of chemical composition requirements for aluminum welding wire and filler wire; and implemented it according to GB/T 10858 (see 3.2.1 of this Edition; 4.2.1 and Table 2 of the 2011 Edition); d) Add barreled welding wire and specific requirements (see 3.3.2 of this Edition); e) Add relaxation diameter and warpage and specific inspection requirements (see 3.5 of this Edition); f) Change the designation of the parent materials used for the test (see Table 3 of this Edition; Table 3 of the 2011 Edition); Specification of Welding Materials for Pressure Equipment - Section 6: Bare Aluminum and Aluminum-Alloy Welding Electrodes and Rods 1 Scope This Document specifies the technical requirements, test methods, inspection rules and product identification of aluminum and aluminum alloy welding wires and filler wires. This Document is applicable to aluminum and aluminum alloy welding wires and filler wires for gas welding, gas tungsten arc welding, gas metal arc welding and plasma arc welding of pressure equipment. 2 Normative References The provisions in following documents become the essential provisions of this Document through reference in 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 10858-2008 Aluminum and Aluminum Alloy Wires and Rods GB/T 20975 (all parts) Methods for chemical analysis of aluminum and aluminum alloy NB/T 47018.1-2011 Technical permission of welding materials for pressure equipment - Part 1: General rule NB/T 47013.2-2015 Nondestructive testing of pressure equipment - Part 2: Radiographic testing 3 Technical Requirements 3.1 General requirements Aluminum and aluminum alloy welding wires and filler wires for pressure equipment shall, in addition to complying with the provisions of GB/T 10858, also comply with the provisions of NB/T 47018.1 and this Document. 3.2 Inspection items and requirements 3.2.1 The physical and chemical inspection items of welding wire and filler wire shall be carried out in accordance with the provisions of Table 1. 3.2.2 The chemical composition of welding wire and filler wire shall comply with the provisions of GB/T 10858. 3.2.3 The radiographic test of welding wire deposited metal shall be carried out in accordance with NB/T 47013.2-2015. The technical level of radiographic test shall be no lower than Level- AB, and the quality level shall be Level-I. 3.2.4 The filler wire shall be inspected for flat plate overlaying weld bead, requiring good molten pool fluidity and no spatter. The weld bead shape is regular, the width and height are uniform, the surface is smooth, and there are no cracks or pores. 3.2.5 The deposited metal of welding wire and the overlaying weld metal of filler wire shall be subjected to bending test. After the bending specimen is bent to the specified angle, there shall be no single opening defect with a length greater than 3 mm in any direction in the deposited metal on the tensile surface. The corner opening defect of the deposited metal of the specimen can be ignored; but the length of the corner opening defect caused by un-fusion, inclusions or other internal defects shall be included. 3.3 Surface quality and uniformity of welding wire and filler wire 3.3.1 The surface of welding wire and filler wire shall be bright and smooth. It can be observed visually and with a 20× magnifying glass. There shall be no burrs, pits, scratches, oxide scale, cracks, folds or inclusions. The welding wire shall not have knots, waves, bends and other defects that affect continuous wire feeding. There shall be no obvious difference in the color of the welding wire; and it should be performed polishing treatment. 3.3.2 Coiled welding wire and barreled welding wire shall be continuous. The coiled welding wire layer shall be well-wound, neatly and tightly arranged, without pressed wire, without wire clamping, and without joints on the surface. The barreled welding wire manufacturer shall match the appropriate auxiliary wire feeding device. All welding wires shall be able to ensure ......


NB/T 47018.6-2011 GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 25.160.10 J 33 Technical Permission of Welding Materials for Pressure Equipment - Section 6: Bare Aluminum and Aluminum-alloy Welding Electrodes and Rods ISSUED ON: JULY 1, 2011 IMPLEMENTED ON: OCTOBER 1, 2011 Issued by: National Energy Administration of the People's Republic of China Table of Contents Foreword ... 3  1 Scope ... 4  2 Normative References ... 4  3 Model ... 4  4 Technical Requirements ... 5  5 Test Methods and Inspection Rules ... 9  6 Identification ... 14  Foreword NB/T 47018-2011 "Technical Permission of Welding Materials for Pressure Equipment” is divided into 2 Sections [Translator note: should be 7 Sections]: - Section 6: Bare Aluminum and Aluminum-alloy Welding Electrodes and Rods; - Section 7: Titanium and Titanium-alloy Welding Electrodes and Rods. This is the Section 6 of NB/T 47018. This Section was proposed by and shall be under the jurisdiction of the National Technical Committee on Boilers and Pressure Vessels of Standardization Administration of China (SAC/TC 262). Main drafting organizations and persons of this Section: Hefei General Machinery Research Institute; Ge Zhaowen and Fang Wunong Bureau of Safety Supervision of Special Equipment of General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China; Chang Yanyan Participating drafting organizations and persons for this Section: Central Research Institute of Building and Construction Co., Ltd, MCC Group; Tang Bogang Advanced Technology and Materials Co., Ltd., Central Iron & Steel Research Institute; Li Jifu Well Welding Co., Ltd., Harbin Welding Institute; Xu Kai Atlantic China Welding Consumables, Inc.; Chen Yigang Tianjin Golden Bridge Welding Materials Group Co., Ltd.; Hou Yongtai Kunshan Gintune Welding Co., Ltd.; Zheng Yiluo China Standardization Committee on Boilers and Pressure Vessels (SAC/TC 262) is responsible for interpretation of this Section. Technical Permission of Welding Materials for Pressure Equipment - Section 6: Bare Aluminum and Aluminum-Alloy Welding Electrodes and Rods 1 Scope This Section of NB/T 47018 specifies the model preparation, technical requirements, test methods and inspection rules of bare aluminum and aluminum-alloy welding electrodes and rods. This Section is applicable to the bare aluminum and aluminum-alloy welding electrodes and rods used for the gas welding, gas tungsten arc welding, gas metal arc welding and plasma arc welding of pressure equipment. 2 Normative References The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the normative document (including any amendments) applies. GB/T 2653 Bend Test Methods on Welded Joints GB/T 10858 Aluminum and Aluminum Alloy Welding Rods and Wires GB/T 20975 (All Parts) Methods for Chemical Analysis of Aluminum and Aluminum Alloys NB/T 47018.1 Technical Permission of Welding Materials for Pressure Equipment - Section 1: General Rule JB/T 4730.2 Nondestructive Testing of Pressure Equipment - Part 2: Radiographic Testing 3 Model 3.1 Model division The model of welding electrodes and rods is divided according to the chemical composition and use occasions. 4.2.2 The deposited metal radiographic testing for welding electrodes shall be carried out according to JB/T 4730.2; the radiographic testing technology shall not be lower than Grade AB and the quality grade of deposited metal is Grade I. 4.2.3 Flat piled weld inspection shall be carried out for rods; the weld pool shall be in good flowability and free from splash; the weld bead shape shall be regular and uniform in width and height; the surface shall be smooth and free from crack and pore. 4.2.4 Bend test shall be carried out for the deposited metal of welding electrodes as well as the piled metal of rods. Where the bending sample is bended to the specified angle, the deposited metal on its stretching plane shall be free from opening defect with single length longer than 3mm in any direction; the opening defect on the corner angle of deposited metal on sample shall be ignored. However, the length of opening defect on corner angle caused by the incomplete fusion, slag inclusion or other internal imperfection shall be counted. 4.3 Surface quality and uniformity of welding electrodes and rods 4.3.1 The surface of welding electrodes and rods shall be lustrous, smooth and free from burr, pit, scratch, oxide skin, crack, fold and inclusion. Polished finish should be carried out. 4.3.2 The reeled welding electrodes shall be continuous and shall ensure the uniform and continuous feeding for equipment of machine welding, semi- automatic welding and automatic welding. 4.4 Welding electrodes in accordance with the inspection requirements may be used as rods without flat deposited weld inspection; the welding electrodes in accordance with the inspection requirements may only be used as welding electrodes after passing the deposited metal radiographic testing. 5 Test Methods and Inspection Rules 5.1 Chemical analysis 5.1.1 The chemical composition analysis of welding electrodes and rods shall be carried out according to batches. 5.1.2 The chemical composition of electrodes or rods in each batch shall meet the requirements of Table 2. Where other element is found during routine analysis, further analysis shall be carried out to determine whether its gross amount exceeds the value specified in Table 2. Table 4 -- Positional Parameter before Welding Test Piece 5.2.4 Where there is no agreement reached between the parties, the gas metal arc welding used for test piece shall be carried out according to the welding process documents provided by the welding material manufacturer. 5.2.5 During the initial welding and welding, the temperature of test piece shall not be lower than 16℃ while the arcing and inter-pass temperature shall not be greater than 60℃. 5.3 Flat piled weld inspection for rods 5.3.1 The rods shall be inspected according to batches. 5.3.2 See Table 3 for the base material used in test. As for the dimension of test piece, the width shall be greater than or equal to 150mm, the length shall be greater than or equal to 300mm, and the thickness shall meet the requirements of Article 5.2.3. 5.3.3 Argon tungsten-arc welding shall be adopted for test piece and the AC power supply shall be weld in flat welding position. Where there is no agreement reached between the parties, such welding shall be carried out according to the welding process documents provided by the welding material manufacturer. 5.3.4 The adopted rods which pass the argon tungsten-arc welding inspection are also applicable to gas welding and plasma arc welding. 5.4 Bend test 5.4.1 Bend test shall be carried out for welding electrodes and rods according to batches. 5.4.2 Longitudinal bending sample shall be taken from test pieces of deposited metal radiographic testing or flat piled weld inspection for rods at the positions as shown in Figure 2. 1 face-bend sample and 1 back-bend sample shall be taken from the test piece of deposited metal radiographic testing while 2 face-bend samples shall be taken from the test piece of flat piled welding. 5.4.3 Longitudinal bending sample 5.4.3.1 Cold processing method shall be adopted for sampling. Where hot processing method is adopted for sampling, the heat affected zone shall be removed. 5.4.3.2 Welding defect and imperfection may be avoided during sample preparation. 5.4.3.3 Sample processing: a) the excess weld metal and base plates shall be removed through cold processing method; b) the stretching plane of the sample shall be processed flush and free from scratch and damage. 5.4.3.4 Sample form: a) see Figure 3 for the longitudinal bending sample. ......

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