Casting Technology, include casting methods, casting material and casting standards.
Steel casting, sand casting, investment casting standard, ASTM A217 WC1,WC4,WC9,WC5,WC6,WC11,…. Abstract This specification covers steel castings, martensitic stainless steel and alloys steel castings for valves, flanges, fittings, and other pressure-containing parts intended primarily for high-temperature and corrosive service. The grades of steels covered here are: Grade WC1, Grade WC4, Grade WC5, Grade WC6, Grade WC9,
From the carbon content of material, we can divide iron and steel. Cast irons typically contain 2-4 wt% of carbon with a high silicon concentrations and a greater concentration of impurities than steels. Iron (Fe) is not a high-purity metal commercially but contains other chemical elements which have a large effect on its physical and […]
Fasteners are manufactured in a wide range of materials from common steel to titanium, plastic and other exotic materials. Many materials are further separated into different grades to describe specific alloy mixtures, hardening processes, etc. In addition, some materials are available with a variety of coatings or plating to enhance the corrosion resistance, or appearance […]
ASTM A27/A27M standard specification for steel casting, Grade N-1, Grade N-2, Grade U-60-30 [415-205], Grade 60-30 [415-205], Grade 65-35 [450-240], Grade 70-36 [485-250] and Grade 70-40 [485-275].
Electric Arc Furnace is a furnace that heats charged material by means of an electric arc. Arc furnaces range in size from small units of approximately one ton capacity (used in foundries for producing cast iron products) up to about 400 ton units used for secondary steel making. Arc furnaces used in research laboratories and […]
Close cooperation between buyers and producers of forgings has always been a vital part of achieving the best possible product at the best possible cost. With recent major advances in forging methods and materials improvements, this collaboration is more critical than ever before. By keeping abreast of these advances, and working closely with the forger, […]
There are a variety of methods to produce a given part. Each has its own set of advantages and disadvantages. Some of the important factors affecting the selection of a process include the following: – Quantity of the material required – Design of the part
Casting is a manufactureing process in which molten metal is poured or injected and allowed to solidify in a suitable shaped mold cavity. During or after cooling, the cast part is removed from the mold and then processed for delivery. Casting processes and cast-material technologies vary from simple to highly complex. Material and process selection […]
This specification covers carbon steel castings for valves, flanges, fittings, or other pressure-containing parts for high-temperature service and of quality suitable for assembly with other castings or wrought-steel parts by fusion welding. Covered here are three grades of carbon steel (Grades WCA, WCB, and WCC), the selection of which shall depend on the design and […]
Astm A536-84(reapproved 1999) Ductile Iron Castings
ASTM A351/A351M:standard specification for stainless steel casting
Iron Comparison- Gray Iron and Ductile Iron in China, Janpen, American, Germany and others countries
Product Analysis is the process of identifying, looking at or disassembling a product and identifying its main features. The aim is to understand more about a product and improve it in the future. Many factors influence the development of a product, some are listed below.
Die-casting is similar to permanent mold casting except that the metal is injected into the mold under high pressure of 10-210Mpa (1,450-30,500) psi . This results in a more uniform part, generally good surface finish and good dimensional accuracy, as good as 0.2 % of casting dimension. For many parts, post-machining can be totally eliminated, […]
How to control the lost wax casting : Casting size and shape determines the tolerance required to allow for process variables. Many process factors affect investment casting tolerances, such as: 1.Wax temperature
Sand casting is used to make large parts (typically Iron, but also Bronze, Brass, Aluminum). Molten metal is poured into a mold cavity formed out of sand (natural or synthetic). The processes of sand casting are discussed in this section, include patterns, sprues and runners, design considerations, and casting allowance.