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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?
- Special steel into high quality carbon steel, alloy steel, high alloy steel (alloy element is greater than 10%) three categories, including alloy steel and high alloy steel special steel production accounted for 70%.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
What are the varieties of special steel
- The alloy steel and high alloy steel special steel production accounted for 70%, mainly for 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 electrothermal alloy alloy, etc..s
How can I determine the cooling water flow of square billet mold for special steel?
- Mold heat balance method. If the heat of the molten steel in the mould is taken away from the cooling water, the heat released by the solidification of the molten steel is equal to the amount taken away by the cooling waters
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
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?
- Special steel is a kind of steel with special chemical composition (alloying), produced by special process, special organization and performance, and can meet special requirement.s
Carbon steel and stainless steel and pattern steel and special steel and high carbon steel difference
- Stainless steel with high chromium content and high grade steel is forged together with different steels
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