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What grade of iron powder should be used for processing special steel? Are there any other elements on the request? How much are they?
- The main special steel carbon structural steel, carbon tool steel, carbon spring steel, alloy spring steel, alloy structural steel, bearing steel, alloy tool steel, alloy tool steel, high-speed tool steel, stainless steel, heat-resistant steel and high-temperature alloy, precision alloy, gold and other electric heating.s
Classification of special steel products
- According to the carbon content of the steel can be divided into low carbon steel (WC = 0.25%), steel (0.25% WC 0.6%) and high carbon steel (wc>0.6%) according to the content of phosphorus and sulfur can be divided into ordinary carbon steel (carbon steel with phosphorus, sulfur, high quality carbon steel (P), low sulfur and high quality (steel) phosphorus, sulfur lower).In general, the higher carbon content in carbon steel, the higher hardness and higher strength, but lower plasticity. This kind of steel is mainly carbon steel to ensure mechanical properties, so the brand reflects its mechanical properties, represented by the Q+ number, "Q" to "yield point bend" word Pinyin prefix, a digital representation of the yield point value, such as Q275 said the yield point is 275MPa. If the grades are marked with letters A, B, C and D, the quality grade of steel is different. The quantity of S and P is reduced, and the quality of steel is improved. If the letter "F" is marked behind the grade, it is "boiling steel". The label "B" is a semi killed steel, and no "F" or "B" is used as a killed steel. For example, Q235-A = F indicates a yield point of 235MPa for grade a rimmed steel, and Q235-c represents a C grade killed steel with a yield point of 235MPa.s
How can I determine the cooling water flow of square billet mold for special steel?
- Determine the cooling water flow rate according to the cooling water flow rate. The cooling water amount of mould W can be calculated according to the following formula: W=0.0036FV, W - cooling water of mould, m3/h;F - total area of mold water gap, mm2;V - the velocity of cooling water in the water seam, m/s, for the billet mold, the flow speed should be greater than 6m/s, generally take 6~9m/s.s
What is special steel? What is special steel?
- There is no uniform definition and concept for special steel at present.It is generally believed that special steel is a kind of steel with special alloy composition, special process smelting and production, special organization and performance, and special requirement.Compared with ordinary steel, special steel has higher strength and toughness, physical properties, chemical properties, biocompatibility and process performance.s
What is the difference between general steel and special steel?
- Pu steel: full name ordinary steel, mostly with plates, profiles and wire form. Ordinary steel is the basic material of the earliest, the largest amount of use in industry, widely used in architectural structure, bridge components, hull structure, transportation, machinery manufacturing, agriculture, textile, defense industry, metal products, food industry, household appliances and other various departments of the national economy.s
Is the steel column of the steel structure HM a special steel?
- The mid flange H section steel HM (M for Middle English prefix) in GB/T 112631998 this standard inside, not special steel;s
What's the difference between special steel and ordinary steel?
- Compared with ordinary steel, special steel has higher strength and toughness, physical properties, chemical properties, biocompatibility and process performance.s
Carbon steel and stainless steel and pattern steel and special steel and high carbon steel difference
- Because of the different colors of steel, showing special patterns, steel should be relatively small amount of steel, such as n690 is a special stainless steel, high hardnesss
Industrial uses of Gold Aluminium Foil
- Is a high-grade aluminium foil packaging material which can replace a large area of standard, hot silver stamped foil. When printed it has a magnificent gold lustre and appeal whic...
What is Aluminium Foil Paper and its Main Industial areas
- Aluminium foil products are used in the manufacturing industrial as a protective packaging for raw materials household goods and construction. The initial development of Langfang D...
Features of Aluminium Foil Bags
- Aluminium foil bags are made from a variety of plastic films in a composite bag machine and maybe used for packaging food, medicine industrial products, and other daily necessities...
The Advantages of Aluminum Foil Used in Cooking
- Aluminium foil used in cooking is itself non toxic. But it is worth noting that the practice of wrapping some meats on the barbecue in aluminium foil to prevent burning or overcook...
The Application of Aluminium Panel
- Aluminium veneer is the application of an external coating or other treatment to the aluminium product to improve its resistance to certain conditions, such as weather or to enhanc...