Nitrogen ions with different energy of 30 keV and 50 keV and dose of 5 × 10 16, 5 × 10 17 and 1 × 10 18 cm − 2 were implanted into the surface of AISI 420 martensitic stainless steel.The micro topography, roughness, friction coefficient, wear loss, hardness, as well as the chemical composition were investigated.Mounds and craters were found on …

Decarburization deteriorates the surface mechanical properties of steel. It refers to the loss of carbon from steel's surface when exposed to an open-air environment in elevated-temperature conditions. Despite the short interaction time and fast thermal cycle of the laser surface-hardening process, decarburization may still occur. This paper …

Corrosion resistance of plasma carburized AISI 420 martensitic stainless steel was evaluated by cyclic polarization test in 3.5% NaCl solution. Two distinct treatment groups were studied with the purpose of evaluating the influence of the carburizing temperature and time on the corrosion behavior of treated material (one at 350–500 °C …

In the case of AISI 420, the main effect is probably correlated to its responds to heat treatments. The increasing hardness of AISI 420 can be attributed to homogenous …

the cutting process of AISI 420 stainless steel, ultrasonic-assisted milling can be applied as an efficient production technology. In this paper, a cutting force model of one-directional UAM is presented and ultrasonic vibration-assisted milling is applied to investigate the cutting forces and surface finish over a range of cutting conditions.

The AISI 420 matrix with different weight percentage (0%, 1%, 2%, and 4%) of TiB 2 reinforcement was fabricated by vacuum induction melting technique. The fabricated …

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In this study, a multi-layer, single bead thickness AISI 420 SS was deposited. The purpose was to determine the microstructure caused by the advanced thermal history of the …

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Using AISI 420 SS feedstock wire, a thin wall comprising 25 layers with the dimensions of 150 × 70 mm and the thickness of 10 mm (a single bead) was deposited onto a AISI 420 SS base plate with the dimensions of 150 × 150 × 6 mm by wire arc additive manufacturing (see Fig. 1).The chemical composition of the base plate and the feedstock …

properties of AISI 420 martensitic stainless steel welded by laser welding Mehmet Erdem1 & Mehmet Altuğ2 & Mustafa Karabulut1 Received: 4 July 2015/Accepted: 1 October 2015/Published online: 16 October 2015 # Springer-Verlag London 2015 Abstract In this study, AISI 420 stainless steel sheets of 1.8 mm in thickness were joined by laser …

Sudhir et al. [20] investigated how to optimize EDM process factors including peak current, pulse-on time and gap voltage while fabricating AISI 420 steel with a copper electrode. …

Manufacturing Engineering Additive Manufacturing Additive Manufacturing of AISI 420 Stainless Steel: processes validation, defects analysis and mechanical characterization in …

Fig. 2 shows measurements of the outer layer thickness as a function of the CH 4 content in the gas mixture. As observed in Fig. 1, the higher the CH 4 content the higher is the outer layer thickness. The obtained thickness was 1.2, 1.8, 1.9 and 2.6 μm for the conditions of 0.25, 0.50, 0.75 and 1.00% CH 4, respectively, indicating that the CH 4 …

White layer thickness of nitrided AISI 420 stainless steel as a function of nitriding temperature. Download : Download high-res image (840KB) Download : Download full-size image; Fig. 6. SEM image (a), (b) and element distribution (c), (d) of nitrided layer produced on AISI 420 stainless steel by plasma nitriding at 450 and 510 °C for 4 h.

Aplicaciones: 1.4021 | AISI 420 es un acero al cromo, martensítico, resistente a los ácidos con una buena resistencia a la corrosión y en medios de cloruro moderadamente corrosivos, tales como ácidos orgánicos, jabones y disolventes. Las aplicaciones principales son en la industria de la ingeniería, petróleo y petroquímica mecánica y

Peeled, drawn bars, sheets, and forgings in stainless steel X20Cr13, 1.4021, AISI 420, UNS S42000 acc. to EN 10088-1, PN-H-86020.

47AISI-420. 2006, OEM, AISI-420,

In this study the hardness and tribological properties of FSP AISI 420 were determined and the results compared with those from unprocessed AISI 420, conventionally quench …

Cited properties are appropriate for the annealed condition. 420F is the AISI designation for this material. S42020 is the UNS number. It has a moderately high electrical conductivity …

AISI 420 MOD. Acier inoxydable de type martensitique trempable pour instrumentation chirurgicale. Ces éléments d'alliage lui confèrent une capacité de durcissement très élevé. Avantages. Résistance à la corrosion; Détail technique. Plus d'info sur AISI 420 MOD . Contactez nous + 33

The purpose of this study is to investigate the effects of laser spot size on the mechanical properties of AISI 420 stainless steel, fabricated by selective laser melting (SLM), process. Tensile specimens were built directly via the SLM process, using various laser spot diameters, namely 0.1, 0.2, 0.3, and 0.4 mm. The corresponding volumetric …

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Martensitic AISI 420 steel has widespread applications in the manufacturing of shafts of large vertical pumps, various dental and surgical instruments because of its better mechanical, heat and corrosion resistance properties. However, the machining of this steel possesses a great challenge because of its poor thermal …

AISI 420 Mod is a martensitic 13Cr modified stainless steel with increased strength and hardness compared to standard 13Cr versions. It is used in the quenched and tempered …

شرکت بیسموت با هدف تامین مواد شیمیایی با کیفیت و سریع، برای انواع مواد شیمیایی صنعتی، بهداشتی، غذایی و انواع حلال های شیمیایی شروع به کار کرده و به فضل الهی اعتماد شرکت ها زیادی را در این چند ساله جلب کرده است.

AISI 420 stainless steel was nitrided at low temperatures and anodic potential in a plasma atmosphere of ammonia (NH 3) assisted by hollow cathode discharge.The specimens were placed on a worktable connected to the wall of vacuum chamber that was earthed (0 V) and used as anode of glow discharge.Plasma nitriding …

The chemical composition of AISI 420 stainless steel (wt %). Material C Mn Si S P Ni Cr Cu Fe AISI 420 0.21 0.27 0.53 0.009 0.025 0.18 12.23 - 86.546 Considering that the AISI 420 stainless steel, widely used in engineering, is quenched and tempered, the heat treatment system, based on the national standard GB/T1220-2007 of the People's

Fig. 7 graphically indicates the roughness values obtained in AISI 420 steel, by means of the Concentric Zigzag machining strategy, where the average roughness value is shown as a function of the cutting speed. Download : Download high-res image (188KB) Download : Download full-size image; Fig. 7.

AISI 420 High-Carbon steel Din X20Cr13 W-Nr. 1.4021 JIS SUS420JI Sheet Plate. AISI 420 High-Carbon steel is a high-carbon steel with a minimum chromium content of 12%. Like any other stainless steel, AISI 420 can also be hardened through heat treatment. It offers good ductility in its annealed state and excellent corrosion resistance properties

AISI 420 stainless steel with a composition of 0.15C-1Mn-0.04P-0.03S-1Si-13Cr-0.75Ni −0.5Mo-Fe (wt.%) was used for the MLSPT. The plate specimens experienced the following heat treatment process in turn. First, the plate was austenitized at 1020 °C for 1 h and then oil-quenched to ambient temperature [34,35].

AISI 420 steel (SS420) is very brittle under just hardened conditions and usually must be tempered to achieve useful toughness. The tempering temperature for 420 grade stainless steel after austenitizing: …

In this study, the statistical methodology used to analyze and optimize the rough-ness values obtained experimentally is presented, which respond to machining parameters, such as strategy, cutting speed and feed per tooth of the tool; the same ones that were defined for the machining of test subjects with a concave surface, made from …

AISI 420 High-Carbon steel is a high-carbon steel with a minimum chromium content of 12%. Like any other stainless steel, AISI 420 can also be hardened through heat treatment. It …

AISI 420/S42000 STEEL HEAT TREATMENT. Interprocess (subcritical temperature) Annealing :675-760℃,Hardness:94-97HRB. Recrystallization (complete) Annealing: hold sufficient time at 830-850℃,furnace cooling to 790°C, continuous cooling to 595°C at a rate of 15-20°C/h, and air cooling to room temperature.Hardness:86-95HRB.