Thermodynamic Investigation of New High-Strength Low-Alloy Steels with Heusler Phase Strengthening for Welding and Additive Manufacturing: High-Throughput CALPHAD Calculations and Key Experiments for Database Verification

For fuel savings as well as energy and resource requirement, high strength low alloy steels (HSLA) are of particular interest to automobile industry because of the potential weight reduction which can be achieved by using thinner section of these steels to carry the same load and thus to improve the fuel mileage. Dual phase treatment has been utilized to obtain superior strength and ductility combinations compared to the HSLA of identical composition. Recently, cooling rate following heat treatment was found to be important to the tensile properties of the dual phase steels. In this paper, we report the results of the investigation of cooling rate on the microstructures and mechanical properties of several vanadium HSLA steels.The steels with composition (in weight percent) listed below were supplied by China Steel Corporation: 1. low V steel (0.11C, 0.65Si, 1.63Mn, 0.015P, 0.008S, 0.084Aℓ, 0.004V), 2. 0.059V steel (0.13C, 0.62S1, 1.59Mn, 0.012P, 0.008S, 0.065Aℓ, 0.059V), 3. 0.10V steel (0.11C, 0.58Si, 1.58Mn, 0.017P, 0.008S, 0.068Aℓ, 0.10V).

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UNIFLUX V90

Alloy Digest ◽

10.31399/asm.ad.sa0355 ◽

1979 ◽

Vol 28 (2) ◽

Keyword(s):

Carbon Dioxide ◽

High Strength ◽

Heat Treating ◽

Carbon Steels ◽

Low Alloy Steels ◽

Nickel Steel ◽

Steel Weld Metal ◽

Alloy Steels ◽

Temperature Impact ◽

Welding Electrode

Abstract UNIFLUX V90 is a continuous flux-cored welding electrode (wire) developed to weld high-strength low-alloy steels, but it may be used to weld other low-alloy steels and carbon steels. It is used to deposit typically 2.40% nickel steel weld metal with good low-temperature impact properties. Welding is protected by a shielding atmosphere of either 75% argon-25% carbon dioxide or 100% carbon dioxide. Uniflux V90 is used widely in shipbuilding and other fabricating industries. It provides around 88,000 psi tensile strength and around 26 food-pounds Charpy V-notch impact at 60 F. This datasheet provides information on composition, physical properties, elasticity, and tensile properties as well as fracture toughness. It also includes information on corrosion resistance as well as heat treating, machining, and joining. Filing Code: SA-355. Producer or source: Unicore Inc., United Nuclear Corporation.

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TRI-MARK TM-115

Alloy Digest ◽

10.31399/asm.ad.sa0392 ◽

1983 ◽

Vol 32 (8) ◽

Keyword(s):

Fracture Toughness ◽

Corrosion Resistance ◽

Arc Welding ◽

High Strength ◽

Heat Treating ◽

Low Alloy Steels ◽

Mining Equipment ◽

Alloy Steels ◽

Temperature Impact ◽

Welding Electrode

Abstract TRI-MARK TM-115 is a gas-shielded flux-cored welding electrode for continuous high deposition are welding. It is designed specifically for semiautomatic and automatic arc welding of high-strength low-alloy steels and quenched-and-tempered steels. This gas-sheilded tubular wire can be used for single and multiple-pass welding. It has outstanding low-temperature impact properties. Its applications including mining equipment, large vehicles and similar items. This datasheet provides information on composition, physical properties, elasticity, and tensile properties as well as fracture toughness. It also includes information on corrosion resistance as well as heat treating, machining, and joining. Filing Code: SA-392. Producer or source: Tri-Mark Inc..

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TRI-MARK TM-811N2

Alloy Digest ◽

10.31399/asm.ad.sa0389 ◽

1983 ◽

Vol 32 (4) ◽

Keyword(s):

Low Temperature ◽

High Strength ◽

Heat Treating ◽

Low Alloy Steels ◽

Nickel Steel ◽

Fine Grained ◽

Subzero Temperatures ◽

Steel Weld Metal ◽

Alloy Steels ◽

Welding Electrode

Abstract TRI-MARK TM-811N2 is a flux-cored welding electrode for all position semiautomatic arc welding. It is designed to weld 2-3% nickel steels for applications requiring good toughness at subzero temperatures; in addition, it is used to weld various other high-strength low-alloy steels and various fine-grained steels with low-temperature toughness. Tri-Mark TM-811N2 is used to deposit typically 2.35% nickel steel weld metal with good low-temperature impact properties. It is used for shipbuilding, oil rigs and similar structures. This datasheet provides information on composition, physical properties, elasticity, and tensile properties as well as fracture toughness. It also includes information on corrosion resistance as well as heat treating, machining, and joining. Filing Code: SA-389. Producer or source: Tri-Mark Inc..

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The National Shipbuilding Research Program 1985 Ship Production Symposium Volume 2 Paper No. 3: Evaluate the Benefit of New Higher-Strength HSLA (High Strength, Low Alloy)Steels

10.21236/ada444099 ◽

1985 ◽

Author(s):

J. C. West

Keyword(s):

Research Program ◽

High Strength ◽

Low Alloy Steels ◽

Alloy Steels

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High-Strength Low-Alloy Steels

Metals ◽

10.3390/met11071000 ◽

2021 ◽

Vol 11 (7) ◽

pp. 1000

Author(s):

Ricardo Branco ◽

Filippo Berto

Keyword(s):

Environmentally Friendly ◽

High Strength ◽

Environmental Policies ◽

Low Alloy Steels ◽

Alloy Steels ◽

Modern Industry

Modern industry, driven by the recent environmental policies, faces an urgent need for the production of lighter and more environmentally friendly components [...]

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Influence of Activated Fluxes on the Bead Shape of A-TIG Welds on Carbon and Low-Alloy Steels in Comparison with Stainless Steel AISI 304L

Metals ◽

10.3390/met11040530 ◽

2021 ◽

Vol 11 (4) ◽

pp. 530

Author(s):

Jerzy Niagaj

Keyword(s):

Stainless Steel ◽

Penetration Depth ◽

High Strength ◽

Tig Welding ◽

Low Alloy Steels ◽

Aisi 304L ◽

A Tig Welding ◽

Alloy Steels ◽

Steel Aisi ◽

Stainless Steel Aisi

The article presents results of comparative A-TIG welding tests involving selected unalloyed and fine-grained steels, as well as high-strength steel WELDOX 1300 and austenitic stainless steel AISI 304L. The tests involved the use of single ingredient activated fluxes (Cr2O3, TiO2, SiO2, Fe2O3, NaF, and AlF3). In cases of carbon and low-alloy steels, the tests revealed that the greatest increase in penetration depth was observed in the steels which had been well deoxidized and purified during their production in steelworks. The tests revealed that among the activated fluxes, the TiO2 and SiO2 oxides always led to an increase in penetration depth during A-TIG welding, regardless of the type and grade of steel. The degree of the aforesaid increase was restricted within the range of 30% to more than 200%.

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