AISI 5140 low alloy steel was ion nitrided under different process parameters including time (1, 4, 8 and 12 h), temperature (400, 450, 500 and 550 °C) and gas mixture ratio (0.05, 0.33, 1 and 3
Canada ends AD inquiry on heavy plate from Turkey, finds The Canadian International Trade Tribunal (CITT) has announced the preliminary determination of its injury inquiry into imports of hot rolled carbon steel heavy plates and high-strength low-alloy steel heavy plates from Taiwan, Germany and Turkey.
For the AZ31-0.8 mm steel weld, joint strength was 5.1 ± 1.5 kN. Microstructural investigation indicates melting of the Zn coating present on the steel sheets, and subsequent alloying with the Mg sheet resulted in the formation of a solidified Zn-Mg alloy layer.
Investigation of Austenite Evolution in Low Carbon Steel Nov 30, 2015 · , Vol. 57, Nos. 45, 2006, pp. 386401]. The work aims at two aspects:the ability to quantify the austenite evolution depending on different process parameters, and the validation of the EBSD reconstruction software ARPGE to evaluate the accuracy of reconstruction and demonstrating the application in low-carbon steels.
Investigation of laser welding on butt joints of Al/steel Oct 15, 2015 · Dissimilar metals of AA6013 aluminum alloy and Q235 low-carbon steel of 2.5 mm thickness were butt joined using a 10 kW fiber laser welding system with ER4043 filler metal. The study indicates that it is feasible to join aluminum alloy to steel by butt joints when zinc layer was hot-dip galvanized at the steels groove face in advance, and better weld appearance can be obtained at appropriate welding
The pressure vessel steel is used in boilers and pressure vessel structure applications. This research studied the effects of submerged arc welding (SAW) process parameters on the mechanical properties of this steel. The weld sample originated from ASTM A283 grade A sheet of 6.00-millimeter thickness. The welding sample was treated using SAW with the variation of three process factors.
Low Alloy Steel - an overview ScienceDirect TopicsThe low alloy steels include alloys with small additions of chrome and nickel up to the 11/13Cr steels with 4% nickel. The addition of these elements improves the high temperature performance and imparts some corrosion resistance. The addition of chrome and nickel improves the thermal stability of steel and makes these steels popular for applications which suffer wide temperature ranges
Optimization of the ASPN Process to Bright Nitriding of 3.3 Final Adjustment of the ASPN Process Parameters for Planing Knives Made from High Speed Steel The aim of the final stage of process optimization was to adjust the technological parameters of ASPN process so as to achieve the main goal of the research, i.e., to create on the surfaces of the planing knives made of HSS the nitrided layers of
The subject of the research is optimization of the parameters of the Active Screen Plasma Nitriding (ASPN) process of high speed steel planing knives used in woodworking. The Taguchi approach was applied for development of the plan of experiments and elaboration of obtained experimental results. The optimized ASPN parameters were:process duration, composition and pressure of the gaseous
The CBSA launches an investigation into heavy plate from May 27, 2020 · The Canada Border Services Agency (CBSA) announced today that it is launching an investigation to determine whether certain hot-rolled carbon steel heavy plate and high-strength low-alloy steel heavy plate from the Separate Customs Territory of Taiwan, Penghu, Kinmen and Matsu (Chinese Taipei), Germany, South Korea, Malaysia, and Turkey are being sold at unfair prices in
Vibratory Stress ReliefAn Investigation of the Underlying The application of the process has hitherto been limited by the lack of coherent theory of operation. In this study, residual stresses were introduced into a low-alloy steel EN3b by rolling. It was shown that prolonged low-amplitude vibration at 100 Hz induced a stress relaxation of as much as 40 per cent, where the original level was close to