The Study on the Weldability of 1MnCrMoNi Alloy Steel and Q235 Carbon Steel

2020 ◽  
Vol 861 ◽  
pp. 71-76
Author(s):  
Min Hu
Keyword(s):  
Tensile Strength ◽  
Carbon Steel ◽  
Alloy Steel ◽  
Arc Welding ◽  
Welded Joint ◽  
Engineering Application ◽  
Theoretical Support ◽  
Manual Arc Welding ◽  
Practical Engineering ◽  
Q235 Carbon Steel

In this paper, the weldability of 1mncrmoni alloy steel and Q235 carbon steel is studied. The microhardness, tensile strength, impact and other mechanical properties of the welded joint are tested by manual arc welding. The variation trend of microhardness, tensile strength and impact toughness of the welded joint under different welding methods is studied, which provides theoretical support for practical engineering application.

Optimization of Argon Gas Metal Arc Welding Process Parameters with Regard to Tensile Strength for AISI 310 Stainless Steel Using Taguchi Technique

2022 ◽  
Vol 58 ◽  
pp. 1-10
Author(s):  
Hanmant Virbhadra Shete ◽  
Sanket Dattatraya Gite
Keyword(s):  
Tensile Strength ◽  
Arc Welding ◽  
Welded Joint ◽  
Gas Metal Arc Welding ◽  
Welding Process ◽  
Taguchi Technique ◽  
Argon Gas ◽  
Metal Arc Welding ◽  
310 Stainless Steel ◽  
Arc Welding Process

Gas metal arc welding (GMAW) is the leading process in the development of arc welding process for higher productivity and quality. In this study, the effect of process parameters of argon gas welding on the strength of T type welded joint of AISI 310 stainless steel is analyzed. The Taguchi technique is used to develop the experimental matrix and tensile strength of the welded joint is measured using experimental method and finite element method. Optimization of input parameter is performed for the maximum tensile strength of welded joint using ANOVA. The results showed that welding speed is the most significant factor affecting the tensile strength followed by voltage in argon gas metal arc welding (AGMAW) process. Argon gas welding process performance with regard to the tensile strength is optimized at voltage: 18.5 V, wire feed speed: 63 m/min and welding speed: 0.36 m/min.

Effect of Shielding Gas Mixture on Gas Metal Arc Welding (GMAW) of Low Carbon Steel (LR Grade A)

2016 ◽  
Vol 705 ◽  
pp. 250-254 ◽  
Author(s):  
Yustiasih Purwaningrum ◽  
Triyono ◽  
M. Wirawan Pu ◽  
Fandi Alfarizi
Keyword(s):  
Mechanical Properties ◽  
Tensile Strength ◽  
Carbon Steel ◽  
Arc Welding ◽  
Gas Metal Arc Welding ◽  
Low Carbon Steel ◽  
Low Carbon ◽  
Shielding Gas ◽  
Weld Metals ◽  
Metal Arc Welding

The aimed of this research is to determine the feasibility and effect of the mixture of the shielding gas in the physical and mechanical properties. Low carbon steel LR grade A in a thickness 12 mm were joined in butt joint types using GMAW (Gas Metal Arc Welding) with groove’s gap 5 mm and groove angle’s 400 with variation of shielding gas composition. The composition of shielding gas that used were 100% Ar, 100 % CO2 and 50% Ar + 50 % CO2. The measured of mechanical properties with regard to strength, hardness and toughness using, tensile test, bending test, Vickers hardness Test, and Charpy impact test respectively. The physical properties examined with optical microscope. Results show that tensile strength of welding metals are higher than raw materials. Welds metal with mixing Ar + CO shielding gas has the highest tensile strength. Hardness of weld metals with the shielding gas 100% Ar, 100 % CO2 and 50% Ar + 50 % CO2 are 244.9; 209.4; and 209.4 VHN respectively. The temperature of Charpy test was varied to find the transition temperature of the materials. The temperature that used were –60°C, -40°C, -20°C, 0°C, 20°C , and room temperature. Weld metals with various shielding gas have similar trends of toughness flux that was corellated with the microstructure of weld .

J0470105 Effect of friction welding condition on tensile strength of friction welded joint between Ti-6Al-4V and low carbon steel

2015 ◽  
Vol 2015 (0) ◽  
pp. _J0470105--_J0470105-
Author(s):  
Masaaki KIMURA ◽  
Tsukasa IIJIMA ◽  
Masahiro KUSAKA ◽  
Koichi KAIZU ◽  
Akiyoshi FUJI ◽  
...  
Keyword(s):  
Tensile Strength ◽  
Carbon Steel ◽  
Friction Welding ◽  
Welded Joint ◽  
Low Carbon Steel ◽  
Low Carbon ◽  
Welding Condition

48″900lb Full-Welded Ball Valve Wall Thickness Optimal Design

2013 ◽  
Vol 753-755 ◽  
pp. 1826-1829
Author(s):  
Chun Li Mo ◽  
Gang Li ◽  
Yong Chen
Keyword(s):  
Stress Analysis ◽  
Wall Thickness ◽  
Oil And Gas ◽  
Engineering Application ◽  
Ball Valve ◽  
Analysis Method ◽  
Theoretical Support ◽  
Theoretical Design ◽  
Practical Engineering ◽  
Design Pressure

Fully-welded ball valve has been applied in large oil and gas pipelines, and its quality is directly related to the safety of the transportation of national energy. The wall thickness of 48900lb ball valve is greater than theoretical design thickness. In this article, FEM software was used to design minimum wall thickness using linear stress analysis method. Though changing wall thickness under design pressure, the minimum wall was 95mm which calculated by linear stress analysis method can provide theoretical support for practical engineering application.

48″600lb Full-Welded Ball Valve Wall Thickness Optimal Design

2012 ◽  
Vol 190-191 ◽  
pp. 401-404
Author(s):  
Chun Li Mo ◽  
Xing Wei Tang ◽  
Xu Ming Guo
Keyword(s):  
Stress Analysis ◽  
Wall Thickness ◽  
Oil And Gas ◽  
Engineering Application ◽  
Ball Valve ◽  
Analysis Method ◽  
Theoretical Support ◽  
Theoretical Design ◽  
Practical Engineering ◽  
Design Pressure

Fully-welded ball valve has been applied in large oil and gas pipelines, and its quality is directly related to the safety of the transportation of national energy. The wall thickness of 48″600lb ball valve is greater than theoretical design thickness. In this article, FEM software was used to design minimum wall thickness using linear stress analysis method. Though changing wall thickness under design pressure, the minimum wall was 85mm which calculated by linear stress analysis method can provide theoretical support for practical engineering application

48″900lb Full-Welded Ball Valve Ultimate Bearing Capacity Optimal Design

2013 ◽  
Vol 351-352 ◽  
pp. 1718-1721
Author(s):  
Chun Li Mo ◽  
Yong Chen
Keyword(s):  
Oil And Gas ◽  
Optical Design ◽  
Engineering Application ◽  
Ball Valve ◽  
Analysis Method ◽  
Theoretical Support ◽  
Inner Pressure ◽  
Theoretical Design ◽  
Stress Maximum ◽  
Practical Engineering

Fully-welded ball valve has been applied in large oil and gas pipelines, and its quality is directly related to the safety of the transportation of national energy. The wall thickness of 48900lb ball valve is greater than theoretical design thickness. In this article, FEM software was used to design ultimate bearing pressure by means of linear stress analysis method. By applying different inner pressure load, the stress distribution of the ball valve was studied. Stress verification lines were draw at stress maximum location and each stress item were checked under corresponding safe value. Optical design obtained maximum inner pressure can provide theoretical support for practical engineering application.

Microstructure and Mechanical Properties of Submerged Arc Welding Filled with Ni Wire Dissimilar Joints Comprising SUS304 and Q245R

2014 ◽  
Vol 936 ◽  
pp. 1780-1785
Author(s):  
Peng Xian Zhang ◽  
Peng Zhao ◽  
Yan Quan Cui
Keyword(s):  
Mechanical Properties ◽  
Weld Metal ◽  
Alloy Steel ◽  
Arc Welding ◽  
Molten Pool ◽  
Welded Joint ◽  
Submerged Arc Welding ◽  
Low Alloy Steel ◽  
Allocation Process ◽  
Submerged Arc

Aim at the issue that the bending crack is easy to generate inside dissimilar welded joint of low alloy steel and stainless steel, a new process of submerged arc welding filled with Ni wire is put forward. The influence mechanism of filling quantity of Ni wire to the joint of microstructure evolutions and mechanical properties is mainly explored based on the contrast test of non-filling Ni wire and three different filling speeds of Ni wire. The experiment results indicate that, the filling process of Ni wire supplies austenite forming element, and alters heat allocation process of molten pool. The filling quantity of Ni wire is the quantitative parameter, it is used to control the transition width between low alloy steel and weld metal, also to adjust the peak temperature and holding time at elevated temperature of molten pool. When the value of the filling quantity of Ni wire is determined, the problem of bending crack in the fusion zone of low alloy steel can be solved, and also the overheat damage can be eliminated. At the same time, the grains of weld metal and heat affected zone are refined. And on this basis the plasticity, toughness and microhardness of welded joint can be guaranteed.

Sign in / Sign up

Export Citation Format

Share Document