GB/T 37791: Evolution and historical versions
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| GB/T 37791-2025 | English | RFQ |
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Corrosion-resistant alloy strip electrodes and welding wires or rods
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GB/T 37791-2025
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| GB/T 37791-2019 | English | 279 |
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Corrosion-resistant alloy strips for welding
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GB/T 37791-2019
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Basic data | Standard ID | GB/T 37791-2025 (GB/T37791-2025) | | Description (Translated English) | Corrosion-resistant alloy strip electrodes and welding wires or rods | | Sector / Industry | National Standard (Recommended) | | Date of Implementation | 2026-03-01 | | Older Standard (superseded by this standard) | GB/T 37791-2019, GB/T 37609-2019, GB/T 37612-2019 | GB/T 37791-2019: Corrosion-resistant alloy strips for welding---This is a DRAFT version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.
Corrosion-resistant alloy strips for welding
ICS 77.140.99;77.140.50
H59
National Standards of People's Republic of China
Corrosion resistant alloy ribbon
2019-08-30 released
2020-07-01 implementation
State Administration for Market Regulation
Issued by China National Standardization Administration
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard was proposed by the China Iron and Steel Association.
This standard is under the jurisdiction of the National Steel Standardization Technical Committee (SAC/TC183).
Drafting organizations of this standard. Northeast Special Steel Group Co., Ltd., Metallurgical Industry Information Standards Institute, Harbin Welding Research Institute
Co., Ltd., Haiyan Zhongda Metal Electronic Materials Co., Ltd., Baosteel Special Steel Co., Ltd.
The main drafters of this standard. Xu Xiaoping, Yan Chengming, Feng Wei, Wu Hanmin, Luan Yan, Xu Kai, Zhang Yunheng, Ma Tianjun, Wang Lianchao.
Corrosion resistant alloy ribbon
1 Scope
This standard specifies the terms and definitions, order content, size, shape, technical requirements, test methods of nickel-based and iron-nickel-based corrosion-resistant alloy welding strips
Laws, inspection rules, packaging, signs and quality certificates.
This standard is applicable to nickel-based and iron-nickel-based corrosion-resistant alloy welding ribbons (hereinafter referred to as welding ribbons) for submerged arc surfacing welding and electroslag surfacing welding.
2 Normative references
The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this document.
For undated references, the latest version (including all amendments) applies to this document.
GB/T 223.4 Determination of manganese content in iron, steel and alloy by potentiometric titration or visual titration
GB/T 223.5 Iron and steel-Determination of acid-soluble silicon and total silicon content-Reduced molybdosilicate spectrophotometric method
GB/T 223.9 Steel and alloy determination of aluminum content-Chromazurol S spectrophotometric method
GB/T 223.11 Determination of chromium content in steel and alloy by visual titration or potentiometric titration
GB/T 223.14 Methods for chemical analysis of iron, steel and alloy-The tantalum reagent extraction photometric method for the determination of vanadium content
GB/T 223.17 Methods for chemical analysis of iron, steel and alloy The diantipyrine methane photometric method for the determination of titanium content
GB/T 223.18 Methods for chemical analysis of iron, steel and alloy-The sodium thiosulfate separation-iodometric method for the determination of copper content
GB/T 223.22 Methods for chemical analysis of iron, steel and alloy-The nitroso R salt spectrophotometric method for the determination of cobalt content
GB/T 223.25 Methods for chemical analysis of iron, steel and alloy-The dimethylglyoxime gravimetric method for the determination of nickel content
GB/T 223.28 Methods for chemical analysis of iron, steel and alloy The α-benzoin oxime gravimetric method for the determination of molybdenum content
GB/T 223.38 Methods for Chemical Analysis of Iron, Steel and Alloy, Ion Exchange Separation-Gravimetric Method for the Determination of Niobium Content
GB/T 223.43 Determination of tungsten content in iron, steel and alloy by gravimetric method and spectrophotometric method
GB/T 223.59 Steel and alloy determination of phosphorus content-Bismuth phosphomolybdenum blue spectrophotometric method and antimony phosphomolybdenum blue spectrophotometric method
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 223.73 Steel and alloy iron content-Titanium trichloride-potassium dichromate titration method
GB/T 223.79 Determination of multi-element content of steel by X-ray fluorescence spectrometry (conventional method)
GB/T 223.85 Determination of Sulfur Content in Steel and Alloy by Infrared Absorption Method after Induction Furnace Combustion
GB/T 223.86 Determination of total carbon content of steel and alloy by infrared absorption method after combustion in induction furnace
GB/T 228.1 Tensile Test of Metallic Materials Part 1.Room Temperature Test Method
GB/T 2975-2018 Steel and steel product mechanical performance test sampling location and sample preparation
GB/T 20066 Sampling and sample preparation methods for the determination of the chemical composition of steel and iron
GB/T 20123 Determination of total carbon and sulfur content of iron and steel by infrared absorption method after combustion in high frequency induction furnace (conventional method)
GB/T 37609 General technical conditions for corrosion-resistant alloy welding strip and wire
3 Terms and definitions
The terms and definitions defined in GB/T 37609 apply to this document.
4 Order content
The contract or order for ordering according to this standard shall include the following.
a) Number of this standard;
b) Alloy grade;
c) Specifications (see Chapter 5);
d) Weight (or quantity);
e) Smelting method (see 6.2);
f) Delivery status;
g) Special requirements (if necessary, see 6.5).
5 Dimensions, appearance, weight
5.1 Dimensions and allowable deviation
The size and allowable deviation of the welding strip should meet the requirements of Table 1.The dimensions and allowable deviations beyond those specified in Table 1 should be negotiated between the supplier and the buyer.
5.2 Appearance
5.2.1 Welding ribbons are usually delivered in coils. Each coil is composed of a welding strip, the inner diameter of the coil is 305mm±5mm.
5.2.2 The bend of the sickle within 1m of any length of the ribbon should be no more than 2mm.
5.2.3 Burrs are not allowed on the edge of the welding ribbon.
5.3 Weight
The ribbon is delivered in actual weight. Usually the weight of a single roll is 25kg~50kg, and a small amount of small rolls with a single roll weight not less than 15kg is allowed
Delivered, but its weight should not exceed 15% of the total weight of the batch.
6 Technical requirements
6.1 Grade and chemical composition
The alloy grade and chemical composition (finished product analysis) should meet the requirements of Table 2.For comparison of domestic and foreign brands and unified digital codes, see
6.2 Smelting method
The alloy is smelted by vacuum induction furnace, or vacuum induction furnace and electroslag remelting. After negotiation between the supplier and the demander, it can also be used to meet this standard
Other smelting methods required by standards.
6.3 Delivery status
The welding strip is delivered in a cold rolled state.
6.4 Surface quality
The surface quality of the welding strip should meet the relevant regulations of GB/T 37609.
6.5 Special requirements
According to the requirements of the buyer, after negotiation between the supplier and the buyer and indicated in the contract, the following special requirements can be provided.
a) Welding ribbons with grades and chemical compositions other than those in Table 2 can be provided;
b) Strict chemical composition or limit residual element content;
c) Testing mechanical properties;
d) Others.
7 Test method
7.1 Inspection items and test methods
The inspection items and test methods of the welding strip should meet the requirements of Table 3.
8 Inspection rules
The inspection rules of the welding strip are in accordance with the relevant regulations of GB/T 37609.
9 Packaging, marking and quality certificate
The packaging, marking and quality certificate of the welding tape shall comply with the relevant regulations of GB/T 37609.
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