NB/T 47018.1-2017 PDF EnglishUS$215.00 · In stock · Download in 9 seconds
NB/T 47018.1-2017: Technical permission of welding materials for pressure equipment - Section 1: General rule Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure Status: Valid NB/T 47018.1: Historical versions
Similar standardsNB/T 47018.1-2017: Technical permission of welding materials for pressure equipment - Section 1: General rule---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/NBT47018.1-2017 NB ENERGY INDUSTRY STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 25.160.10 J 33 Replacing NB/T 47018.1-2011 Technical Permission of Welding Materials for Pressure Equipment Section 1: General Rule ISSUED ON: MARCH 28, 2017 IMPLEMENTED ON: AUGUST 01, 2017 Issued by: National Energy Administration Table of ContentsForeword ... 3 1 Scope ... 5 2 Normative References ... 5 3 Basic Requirements ... 6 4 Batch Marking ... 7 5 Batching Rules ... 7 6 Quality Certification ... 8 7 Reinspection ... 10 8 Storage and Transportation ... 10ForewordNB/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 1 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 47018.1-2011 Technical Permission of Welding Materials for Pressure Equipment - Part 1: General Rule. Compared with NB/T 47018.1-2011, the major technical changes of this Part are as follows: --- Reformulate the general procurement rules, according to the requirements of GB/T 25778-2010; --- Make specific regulations on the use of flux-cored welding wire; --- Adjust the maximum limit of each batch of stainless-steel electrodes; carbon steel cores, welding wires, filler wires; low alloy steel cores, welding wires, filler wires; stainless-steel cores, welding wires, filler wires; stainless-steel welding strips for overlaying welding; flux for carbon steel and low alloy steel; and flux for stainless- steel listed in Table 1; --- Add the provisions that the post-weld state of the test pieces with the mechanical properties of the deposited metal shall be specified, when purchasing welding materials; --- Change the welding electrode coating moisture detection into the diffusible hydrogen content in the deposited metal of the welding electrode; --- Add the bending test the inspection items of the product quality certificate. This Part was proposed by and under the jurisdiction of National Technical Committee on Boilers and Pressure Vessels of Standardization Administration of China (SAC/TC Technical Permission of Welding Materials for Pressure Equipment Section 1: General Rule1 ScopeThis Part of NB/T 47018-2017 specifies the basic procurement requirements, batch marking, batching rules, quality certification, re-inspection, storage and transportation of the welding materials. This Part is applicable to both the supplier and the purchaser of welding materials for pressure equipment; and the procurement rules are compiled in accordance with the procurement requirements.2 Normative ReferencesThe 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 25778 Procurement Guidelines for Welding Consumables NB/T 47018.2 Technical Permission of Welding Materials for Pressure Equipment - Part 2: Electrodes for Steel NB/T 47018.3 Technical Permission of Welding Materials for Pressure Equipment - Part 3: Steel Electrodes and Rods for Gas Shielded Arc Welding NB/T 47018.4 Technical Permission of Welding Materials for Pressure Equipment – Part 4: Electrodes and Fluxes for Submerged Arc Welding NB/T 47018.5 Technical Permission of Welding Materials for Pressure Equipment – Part 5: Stainless Steel Strip Electrodes and Fluxes for Overlay Welding NB/T 47018.6 Technical Permission of Welding Materials for Pressure Equipment - Part 6: Bare Aluminium and Aluminium-Alloy Welding Electrodes and Rods NB/T 47018.7 Technical Permission of Welding Materials for Pressure Equipment - Part 7: Titanium and Titanium-Alloy Welding Electrodes and Rods JB/T 3223 Welding Consumables Quality Management Procedures3 Basic Requirements3.1 The purchase of welding materials for pressure equipment shall not only meet the requirements of GB/T 25778, but also meet the requirements of this Part. 3.2 Distributors of welding materials for pressure equipment (hereinafter referred to as distributors) shall be approved by the manufacturers of welding materials (hereinafter referred to as manufacturers) to be trained and evaluated by the manufacturer. 3.3 The manufacturer or supplier (including distributors) shall provide the original welding material quality certificate to the ordering organization; and the supplier (including distributors) shall be allowed to provide copies, but which shall be stamped with the official seal of the supplier (including distributors) and the seal of the manager. 3.4 The manufacturer shall provide the product instructions to the ordering organization of the welding materials, including the product characteristics, performance indicators, scope of application, storage requirements, and precautions for use. 3.5 When domestic welding materials of steel, aluminium and titanium specified beyond this Standard are used, the following requirements shall be met: a) For the welding materials with the corresponding types in this Standard, but without model (or designation), their technical requirements shall be no lower than those of the same types of welding materials in this Standard; and shall have basis for welding performance and engineering test; b) For the welding materials without corresponding types in this Standard, their technical requirements shall be in accordance with the provisions of this Standard; and shall have basis for welding performance and engineering test; c) Flux-cored welding wire shall be prepared technical conditions for ordering in accordance with the technical requirements specified in NB/T 47018.2. Carbon steel and low-alloy steel flux-cored welding wire shall be of alkaline slag system. The ordering contract shall include specific content and inspection methods to ensure the composition of the core, the uniformity of the core filling, as well as the measures to ensure the diffusible hydrogen content in the deposited metal after opening the vacuum package of the flux-cored welding wire. 3.6 When using overseas welding materials, the following requirements shall be met: a) Welding materials that are permitted by the corresponding pressure equipment specifications abroad and with the engineering practice basis of pressure equipment shall be selected. The scope of use shall not exceed the provisions of the specification, and shall not exceed the scope of use of similar welding ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. 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