GB/T 3429-2025 English PDFGB/T 3429: Historical versions
Basic dataStandard ID: GB/T 3429-2025 (GB/T3429-2025)Description (Translated English): Wire rods for welding Sector / Industry: National Standard (Recommended) Date of Implementation: 2026-03-01 Older Standard (superseded by this standard): GB/T 3429-2015, GB/T 33958-2017, GB/T 33964-2017 GB/T 3429-2015: Wire rods for welding---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.Wire rods for welding ICS 77.140.60 H44 National Standards of People's Republic of China Replacing GB/T 3429-2002 Steel welding wires Issued on. 2015-12-10 2016-11-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released ForewordThis standard was drafted in accordance with GB/T 1.1-2009 given rules. This standard replaces GB/T 3429-2002 "steel welding wires", compared with the GB/T 3429-2002, the main technical content changes as follows. --- Increased grades H10Mn, H11Mn, H12Mn, H15Mn2, H09Mn2Si, H10MnNi3, H10Mn2Ni, H11MnNi, H10MnMo, H11MnMo, H11Mn2Mo, H10Cr3Mo, H11CrMo, H08MnCr5Mo, H08MnCr9Mo, H10MnCr9MoV, H10MnNiMo, H11MnNiMo, H13Mn2NiMo, H14Mn2NiMo, H15MnNi2Mo, H09MnSiMo, H10Mn2SiNiMoTi, H08MnSiTi, H13MnSiTi, H10MnSiCrMo, H10MnMoTiB, H11MnMoTiB, H10MnCr9NiMoV, H13Mn2CrNi3Mo, H15Mn2CrNi2Mo, H20MnCrNiMo, H08MnCrNiCu, H10MnCrNiCu (see 5.1.1); --- The grades H10Mn2A to H13Mn2, H10MnSiA to H09MnSi (see 5.1.1); --- Canceled grades H15MnSiAl, H10Mn2SiNiMoA (see 5.1.1); --- H08Mn2Si and H08Mn2SiA merged H08Mn2Si, H11MnSi and H11MnSiA merged H11MnSi (see 5.1.1); --- Adjusted H08A, H08E, H08C, H11MnSi, H08Mn2Ni3Mo chemical composition (see 5.1.1); --- Tightened the H10Mn2, H15Mn, H08MnSi, H08Mn2Si, H10MnSi, H10MnSiMo sulfur and phosphorus content (see 5.1.1). The standard proposed by China Iron and Steel Association. This standard by the National Steel Standardization Technical Committee (SAC/TC183) centralized. This standard was drafted. Qingdao Iron and Steel Co., Ltd., Jiangsu Shagang Group Co., Ltd., Tianjin Iron and Steel Group Co., Ltd. Lianfeng Steel Iron (Zhangjiagang) Co., Ltd., Hunan Valin Xiangtan Iron & Steel Co., Xuanhua Iron and Steel Group Co., Ltd., Shandong cable force in the welding consumables Limited The company, Xingtai Steel Co., Ltd., Shougang Corporation, Metallurgical Industry Information Standards Institute. The main drafters of this standard. Liu Cheng, Hu Haiping, Wangling Jun, Huang Zhengyu, Liu Guihua, Wang Xiaozhong, in changing, Ma Liming, Guan Chang Yong, Ren Cuiying, Palace Green, Chen Jilin, Shiting Jian, Wu Chin-round, Li Xiaobo, Chen Junjie. This standard replaces the standards previously issued as follows. --- GB 3429-1982, GB/T 3429-1994, GB/T 3429-2002. Steel welding wires1 ScopeThis standard specifies the ordering contents steel welding wires, size, shape, weight and tolerance, technical requirements, test methods, inspection regulations The packaging, marking and quality certification. This standard applies to arc welding, submerged arc welding, electroslag welding, gas welding and gas shielded arc welding and other uses of steel welding wires (hereinafter referred to as "Wire rod").2 Normative referencesThe following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. GB/T 223.3 steel and alloy chemical analysis method two antipyrine methane phosphomolybdate gravimetric method for the determination of phosphorus content GB/T 223.5 steel measuring soluble silicon and total silicon content reduced silicon molybdate salt spectrophotometric method GB/T 223.9 steel and aluminum alloys - Determination of chromium content Azure S Spectrophotometry Determination of GB/T 223.11 steel and alloy chromium content of visual titration or potentiometric titration GB/T 223.12 Methods for chemical analysis of iron, steel and alloys of sodium carbonate separation - diphenyl hydrazine spectrophotometric determination of chromium content GB/T 223.13 Methods for chemical analysis of iron, steel and alloy The ammonium ferrous sulfate titration method for the determination of vanadium content GB/T 223.14 Methods for chemical analysis of iron, steel and alloys, tantalum reagent extraction and spectrophotometric determination of vanadium content Spectrophotometric determination of titanium content GB/T 223.16 Methods for chemical analysis of iron, steel and alloy The chromotropic acid GB/T 223.17 steel and alloy chemical analysis method two titanium content determination in methane antipyrine GB/T 223.18 Methods for chemical analysis of iron, steel and alloy The sodium thiosulfate separation - determination of copper content Iodometry GB/T 223.19 Methods for chemical analysis of iron, steel and alloy neocuproine - chloroform extraction spectrophotometric determination of copper content GB/T 223.23 steel and alloy - Determination of nickel content dimethylglyoxime spectrophotometry Determination of nickel content GB/T 223.25 Methods for chemical analysis of iron, steel and alloy dimethylglyoxime gravimetric method GB/T 223.26 steel and alloy - Determination of molybdenum content - Thiocyanate spectrophotometric GB/T 223.30 steel and alloy chemical analysis method - bromine mandelic acid precipitation - arserazo Ⅲ spectrophotometry Zirconium content GB/T 223.53 Methods for chemical analysis of iron, steel and alloys by flame atomic absorption spectrophotometric method for determination of copper content GB/T 223.54 Methods for chemical analysis of iron, steel and alloys by flame atomic absorption spectrophotometric method for determination of nickel content GB/T 223.58 Methods for chemical analysis of iron, steel and alloys of sodium arsenite - sodium nitrite determination of manganese content titration GB/T 223.59 Steel and Alloy Determination of phosphorus content by bismuth phosphomolybdate blue spectrophotometric method and antimony phosphomolybdate blue spectrophotometry GB/T 223.60 Methods for chemical analysis of iron, steel and alloy perchloric acid dehydration gravimetric method for the determination of silicon content Determination of phosphorus content GB/T 223.61 Methods for chemical analysis of iron, steel and alloy The ammonium phosphomolybdate volumetric method GB/T 223.62 Methods for chemical analysis of iron, steel and alloy butyl acetate extraction spectrophotometric determination of phosphorus content GB/T 223.63 Methods for chemical analysis of iron, steel and alloy The sodium (potassium) for Determination of amount GB/T 223.64 steel and alloy manganese content - Flame Atomic Absorption Spectrometry GB/T 223.67 steel and alloy sulfur content - Methylene blue spectrophotometric method Determination of sulfur content of potassium iodate titration method after GB/T 223.68 Methods for chemical analysis of iron, steel and alloy tube furnace combustion GB/T 223.69 after carbon and alloy steel - Determination of the pipe furnace combustion gas volumetric method After the determination of carbon content - Gravimetric method GB/T 223.71 Methods for chemical analysis of iron, steel and alloy tube furnace combustion GB/T 223.72 steel and alloy sulfur content - Gravimetric method GB/T 223.76 Methods for chemical analysis of iron, steel and alloys by flame atomic absorption spectrometry of vanadium content GB/T 223.79 steel multi-element determination of X- ray fluorescence spectrometry (Routine method) GB/T 223.84 steel and titanium alloys - Determination of two methane antipyrine spectrophotometry After GB/T 223.85 steel and alloy sulfur content induction furnace combustion infrared absorption method RT Test Method. Test Part 1 GB/T 228.1 metallic materials tensile General provisions GB/T 2101 steel acceptance, packaging, marking and quality certificate GB/T 2975 Steel and steel products for mechanical testing and sample preparation position GB/T 4336 carbon steel and low carbon steel spark atomic emission spectrometry method (conventional method) GB/T 10561 Steel - Determination of content of nonmetallic inclusions - Micrographic method standards diagrams GB/T 13298 metal microstructure inspection method GB/T 14981 hot rods size, shape, mass and tolerances GB/T 20066 Steel and iron - Sampling and determination of the chemical composition of the sample with a sample preparation method GB/T 20123 Steel - Determination of total carbon and sulfur content of the high-frequency induction furnace combustion infrared absorption method (conventional method) Inductively coupled plasma atomic GB/T 20125 low-alloy steel multi-element content Emission Spectrometry Determination of GB/T 20126 non-alloy steel of low carbon content - Part 2. After the induction furnace (preheated) within the combustion infrared absorption method GB/T 22368 Determination of low-alloy steel multi-element contents glow discharge atomic emission spectrometry (Routine method) Determining rounding and detection values YB/T 081 standard metallurgical technical value3 order contentsContract in accordance with this standard orders shall include at least the following. a) the product name; b) the standard number; c) grades; d) nominal size; e) the level of accuracy of the size, shape; f) Delivery weight and quantity; g) special requirements. 4 size, shape, weight and tolerance Rod size, weight, shape and tolerances shall comply with the provisions of GB/T 14981 of.5 Technical requirements5.1 Grades and chemical composition 5.1.1 Rod grades and chemical composition (product analysis) shall comply with the requirements in Table 1. 5.1.2 The supplier shall ensure rod chemical composition (product analysis) meet the requirements in Table 1, by agreement between, and indicate in the contract, but also Chemical composition (melting analysis) delivery. 5.1.3 agreement by both sides, and noted in the contract, can supply other grades and chemical composition of the wire rod. 5.2 Melting Method Steel wire rod usually oxygen converter or electric furnace smelting. 5.3 Delivery Status Rod hot-rolled state delivery. 5.4 surface quality 5.4.1 The rod should be the beginning and end harmful defect removal, the section should not have shrinkage, delamination and inclusions. 5.4.2 wire rod surface should be smooth, there should be no cracks, folds, ears, scars and other harmful defects on the use of local indentation bumps, pits, Scratches and pockmarked face, its depth or height (from the date of actual size) Class B and Class C accuracy is not greater than 0.10mm, A-level accuracy is not greater than 0.20mm. 5.5 Special Requirements According to the requirements, the agreement by both sides, and noted in the contract, the mechanical properties, non-metallic inclusions, microstructure and other subject Inspection, the inspection indicators agreement by both parties, and indicate in the contract.6 Test methodsRod batch of test items, the number of samples, sampling methods and test methods shall be in accordance with Table 2. Table 2 test items, the number of samples, sampling methods and test methods Test item number and location of sampling Number of Sampling Methods Test Method A chemical composition 1/furnace GB/T 20066 GB/T 223 Series, GB/T 4336, GB/T 20123, GB/T 20125, GB/T 20126, GB/T 22368 2 Tensile Test 2/lot different root rod GB/T 2975 GB/T 228.1 2 3 nonmetallic inclusions/lot different root rod GB/T 10561 4 Microstructure 1/batch of any one rod GB/T 13298 5-by-disk size - micrometer, caliper 6 surface by disc - Visual NOTE. Arbitration chemical composition analysis using GB/T 223 series or both parties recognized method of analysis.7 Inspection rules7.1 inspection and acceptance 7.1.1 rod by the supplier's quality supervision departments of quality inspection and acceptance. 7.1.2 The supplier must guarantee delivery of rod comply with this standard or contract. If necessary, the buyer is entitled to according to the corresponding standard or contractual regulations Scheduled inspection and acceptance. 7.2 Grouping of samples Wire rod should be batch acceptance, each batch from the same heat, the same brand, same size wire rod components. 7.3 reinspection Reinspection and wire rod to determine the rules of execution according to the provisions GB/T 2101's. 7.4 Numerical rounding Numerical test results of the implementation of prescribed rounding YB/T 081's. 8 packaging, marking and quality certification Rod packaging, marking and quality certification according to the provisions of the Executive GB/T 2101's.Appendix A(Informative) The standard rod grades and standards table The standard grades of wire rod and GB/T 3429-2002, ISO standards, AWS standards, GB/T 8110 models and welding Recommended welding contact material (which arc welding short arc welding, submerged arc welding wire short submerged arc welding, gas shielded welding wire Jane He said gas-welding) control as shown in Table A.1. Table A.1 of the standard rod grades and standards table No. The Standard Grade GB/T 3429-2002 ISO (B series) AWS GB/T 8110 Recommended soldering 1 H04E H04E arc welding 2 H08A H08A 3 H08E H08E 4 H08C H08C Arc welding SAW 5 H15 H15A 6 H08Mn H08MnA 7 H10Mn SU21 EM12K 8 H10Mn2 H10Mn2 9 H11Mn SU11 10 H12Mn SU22 EM12 11 H13Mn2 H10Mn2A 12 H15Mn H15Mn 13 H15Mn2 SU41 EH14 SAW 14 H08MnSi H08MnSi MIG 15 H08Mn2Si H08Mn2Si (A) ER49-1 SAW GMAW 16 H09MnSi H10MnSiA S3 ER70S-3 ER50-3 17 H09Mn2Si S18 GMAW 18 H10MnSi H10MnSi SAW 19 H11MnSi H11MnSi (A) S4 ER70S-4 ER50-4 20 H11Mn2Si H11Mn2SiA S6 ER70S-6 ER50-6 GMAW 21 H10MnNi3 ENi3 22 H10Mn2Ni 23 H11MnNi SUN2 ENi1 SAW 24 H08MnMo H08MnMoA 25 H08Mn2Mo H08Mn2MoA 26 H08Mn2MoV H08Mn2MoVA SAW Table A.1 (CONTINUED) No. The Standard Grade GB/T 3429-2002 ISO (B series) AWS GB/T 8110 Recommended soldering 27 H10MnMo EA4 28 H10Mn2Mo H10Mn2MoA 29 H10Mn2MoV H10Mn2MoVA 30 H11MnMo EA2 31 H11Mn2Mo EA3 SAW 32 H08CrMo H08CrMoA 33 H08CrMoV H08CrMoVA Arc welding SAW 34 H10CrMo H10MoCrA 35 H10Cr3Mo EB3 36 H11CrMo EB2 37 H13CrMo H13CrMoA 38 H18CrMo H18CrMoA SAW 39 H08MnCr5Mo ER55-B6 40 H08MnCr9Mo ER55-B8 41 H10MnCr9MoV ER62-B9 42 H05Mn2Ni2Mo H05Mn2Ni2MoA N3M2 ER100S-1 ER69-1 GMAW 43 H08Mn2Ni2Mo H08Mn2Ni2MoA N4M2 SUN4M2 EM3 ER110S-1 ER76-1 44 H08Mn2Ni3Mo H08Mn2Ni3MoA N5M3 SUN5M3 EM4 ER120S-1 ER83-1 SAW GMAW 45 H10MnNiMo ENi5 46 H11MnNiMo SUN2M2 EF1 47 H13Mn2NiMo SUN1M3 EF2 48 H14Mn2NiMo SUN2M33 EF3 49 H15MnNi2Mo SUN4M1 ENi4 SAW ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 3429-2025_English be delivered?Answer: Upon your order, we will start to translate GB/T 3429-2025_English as soon as possible, and keep you informed of the progress. 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Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.Question 5: Should I purchase the latest version GB/T 3429-2025?Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 3429-2025 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically. |
