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FAQ

How do we use steel ?plesase answer, its for homework xxx

Iron and steel are used widely in the construction of roads, railways, infrastructure, and buildings. Most large modern structures, such as stadiums and skyscrapers, bridges, and airports, are supported by a steel skeleton. Even those with a concrete structure will employ steel for reinforcing. In addition to widespread use in major appliances and cars steel is used in a variety of other construction-related applications, such as bolts, nails, and screws.Other common applications include shipbuilding, pipeline transport, mining, aerospace, white goods, office furniture, steel wool, tools, and armour in the form of personal vests or vehicle armour.

Yes, steel coils can be coated with anti-counterfeit materials. These materials can include specialized coatings, holograms, unique serial numbers, or other security features that help prevent counterfeiting and ensure the authenticity of the steel coils.

Why can hot rolled coils be placed outside?

Because the stress of participation should be eliminated

i recently got an industrial piercing and instead of getting pierced with a metal bar i have a PTFE bar .. i eventually want to put in a metal bar but what kind do i get? whats the difference between a surgical steel and titanium bar?thanks

316L steel is the most basic metal used in body jewelry. It is the basic requirement of metal to be used in initial piercings and for healing. There are better grades but usually they cost more as well. For most people this grade of steel works just fine. Titanium is usually preferred over steel because it contains no nickel and it weighs almost 50% less than steel. Titanium can come in plain polish which looks just like steel AND it can come in a variety of colors (but NOT red or black). Titanium is super for people with sensitive skin to steel. It does cost a little more but is well worth it.

hi i was doing a little history project on guns. i was just wondering if anyone could help me find out what material was used before steel and why this material wasnt as good as steel ( its faults)thanks for your help

Gunmetal is a specific type of brass

how many persent of manganese in all types of carbon steel

No problem with other answers but there is a high carbon/manganese steel called Hadfields Steel which has been used as armour plate in pilots seats in fighter aircraft in the second world war.This steel contains about 13% manganese and about 1.5 % carbon and is non-magnetic because it retains it's high temperature crystal type(austenite).When it is stuck with a bullet it absorbs the energy of the strike by changing crystal structure to the magnetic form of iron(in this case shock Martensite),I should think that it still has a role in the scoops and picks in earth-moving and farming blades.Well you did ask about all types of carbon steel!

Steel coils play a crucial role in the manufacturing of HVAC systems. These coils are typically made from high-quality steel, which offers exceptional strength, durability, and heat resistance. One of the main uses of steel coils in HVAC systems is for heat exchangers. Heat exchangers are vital components that facilitate the transfer of heat between two different mediums, usually air and a refrigerant. In an HVAC system, steel coils are used in both the evaporator and condenser coils. The evaporator coil absorbs heat from the air inside a building, while the condenser coil releases heat to the outside environment. These coils are designed with numerous tubes that are coiled and connected with fins. The steel construction of these coils ensures that they can withstand high-pressure environments and resist corrosion, ensuring long-term reliability and efficiency of the HVAC system. Steel coils also contribute to the overall structural integrity of HVAC systems. They are commonly used in the fabrication of ductwork, which is responsible for distributing conditioned air throughout a building. The strength and rigidity of steel coils allow ductwork to maintain its shape and structural integrity under various conditions, including high air pressure and temperature fluctuations. Furthermore, steel coils are often used in the fabrication of HVAC system cabinets and enclosures. These cabinets house various components of the system, such as compressors, fans, and control panels. The robustness of steel coils ensures that the cabinets can withstand external forces, protect the internal components, and provide a secure housing for the entire HVAC system. In summary, steel coils are essential components in the manufacturing of HVAC systems. Their strength, durability, and heat resistance make them ideal for heat exchangers, ductwork, cabinets, and enclosures. By utilizing steel coils, HVAC manufacturers can produce systems that efficiently and effectively regulate temperature, improve indoor air quality, and provide comfort in various residential, commercial, and industrial settings.

why do you need to heat steel when hardening, molecules etc etc

Halps is off base a little. The reason heat is involved in hardening of steels depends, a little bit, on how you are doing the hardening. If you are hardening by work hardening, you do not have to heat it at all. If you are barbarizing (case hardening), the temperature is raised to increase the diffusion rate of carbon into the steel, higher C content - higher hardness. If you are Thur hardening, you have to heat the steel to the austenitizing temperature (so the structure transforms to FCC crystals with higher solubility for C) and then quench it (cool it rapidly enough to freeze the C atoms in the martensite crystal structure). If you slow cool, the steel could end up softer than it started. All of these processes involve atomic level things. If you want to understand them on the atomic level, you need to study physical metallurgy of steels. It is a subject onto itself and is really quite fascinating if you are interested.