Stainless Steel

their seats and seals, or by other special considerations. 1.3 The size range covered by this Standard Practice is NPS ½ (DN 15) through NPS 36 (DN 900). 1.4 This Standard Practice covers ball valves of the following materials: Carbon Steel Alloy Steels Stainless Steels Ductile Iron Gray Iron Copper Alloy 1.5 Names of common valve body types are given in Figure 1. When variations or other body types are used, they may be named by the manufacturer. The names of basic valve parts are given…

Difusão de nitrogênio e carbono sob plasma indica novas possibilidades de aumento da resistência ao desgaste em aços inoxidáveis austeníticos ABSTRACT Nitrogen and carbon plasma diffusion process was used to modify the surface of an austenitic stainless steel. Two independent layers were obtained: one outermost nitrogen expanded austenite followed by an innermost carbon expanded austenite. As a result, a less steep hardness gradient was obtained, granting better adhesion of the hardened…

plasma has been widely used in many industrial applications to provide improvement in mechanical, chemical properties and tribology. This work studies the influence the time of treatments time in the formation of nitride layer of martensitic stainless steel ASTM A743 CA6NM and the behavior in fatigue life. The samples were nitriding at 500° with a pressure of 4.0 mbar (400 Pa) and using a C gas mixture of 80% v. H2 and 20% v. N2. The times of treatments were: 1, 3 and 5 hours. The…

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developments were effective man started to require new elements thus optimizing their work, and the use of alloys was a major. This work was developed aiming to clarify and present the properties of these alloys, particularly stainless steels. Keywords: Alloys, stainless steel, utilities, properties. 1 Introdução Segundo Callister (2008) e Garcia(2010), desde a antiguidade o uso dos materiais estão enraizados na cultura das civilizações. Historicamente falando o…

more at 2.4 kHz. PHYSICAL SPECIFICATIONS Enclosure Material Low copper cast-aluminum alloy Coating Polyurethan resin baked finish Color: Deep-sea moss green (Munsell 0.6GY3.1/2.0) Degrees of Protection IP67, NEMA4X Data and tag plate SUS304 Stainless steel Mounting Optional mounting brackets can be used either for two-inch pipe or flat panel mounting. Terminal Screws M4 screws Integral Indicator Optional LCD digital indicator includes 5-digit numerical dispaly with ˚C, K, ˚F,˚R, %…

reinforcements Rails in the area of the gooseneck tunnel Are made of steel profiles Container side walls, doors and roofs Side walls End walls Roof panel Corrugated Steel sheet, external Corrugated Aluminum sheet, external Glass fiber-reinforced fiberplastic coating, internal Corrugated stainless steel sheet, internal Container floor Container floor Plywood floor Repair to floor Floor structure Steel floor Planking Material…

known as crossrolling. Tapered leaf springs and knives can be made by this process.. 20-Aug-08 Assoc Prof Zainal Abidin Ahmad 37 Other forging related process Production of Bearing Blanks (a) Production of steel balls by the skew-rolling process. (b) Production of steel balls by upsetting a cylindrical blank. Note the formation of flash. The balls made by these processes are subsequently ground and polished for use in ball bearings (see Sections 25.6 and 25.10). 20-Aug-08…

choice of xxxxxxxxxxxxxxxxxxxxx, aimed to show how an organization behaves that manufactures stainless steel in a very competitive market. The company is a growing, always envisioning new possibilities and opportunities in new sectors of activity. The company operates in various segments of the market and now with the arrival of the pre - salt, was the first segment of stainless steel to direct its know-how for most of this opportunity. The aim is to…

and reaction gases as well as the power supply and the control unit for the coating and positioning bench (CPB). The coating and positioning bench (CPB) - the core of the SC, where the sintering takes place - is mounted inside a vacuum tight stainless steel casket, the lid of which has an integrated quartz glass window with transmission for the applied laser radiation. The casket has electrical feed throughs for the sintering platform and an internal process observation camera. Several…