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What is the EN grade equivalent to A37 material?
EN standards for materials are widely used in Europe and other regions. However, A37 is not a designation typically found in European standards like EN. A37 is more likely a designation from ASTM (American Society for Testing and Materials) standards. In ASTM standards, A37 is not a specific material grade. It's possible that you might be referring to a different ASTM material grade, such as A36, which is a commonly used structural steel grade. A36 steel is often compared to EN 10025-2 S235JR or DIN St37-2 steel, which are equivalents in European standards. If you could provide more context or clarify the specific material grade you're referring to, I'd be happy to assist you further in finding its equivalent in EN standards.
Explain about the Tool Steels?
Tool Steel is a specific type of high quality steel made specifically for the production of tools and tooling components. Tool steels are produced in electric melt furnaces and stringent quality standards are upheld to produce the necessary quality. Tool steels are formulated to withstand high pressures and abrasive materials. Typically tool steels are used for shearing, cutting, stamping, and forming of metals and plastics. Example applications include compacting of powder metal into a gear form, slitting of steel coils into strips, stamping of computer parts from metal sheets, extrusion of plastic or vinyl into window frames and formation of cutting tools from high-speed tool steels. Tool steels are supplied in the annealed or soft condition, so that they may be machined and fabricated into a tooling component. These steels are designed to be used in the hardened condition, so after they have been fabricated into a tool, they must be heat treated to obtain the desired properties. The properties that tool steels provide are hardness, toughness, wear resistance and red hardness. For a further explanation of these properties, see our article Properties of Tool Steels. These properties are provided in varying degrees from a wide selection of tool steel grades. These grades fall into three basic classes of tool steels. These classes are cold work tool steels, hot work tool steels and high-speed tool steels. These classes are also divided into sub-classes. Cold work tool steels are generally divided into Water-hardening, Oil-hardening, Air-hardening, Shock-resistant and special purpose tool steels. High-speed tool steels contain high levels of cobalt, tungten and/or molybdenum and are designed to be used at elevated temperatures while still providing a high level of hardness and wear resistance to facilitate cutting of metals. High-speed steels are sub-divided into tungsten and molybdenum sub-classes. Tool steels usually contain from 0.5% to 2.5% carbon. This level of carbon is necessary to combine with the carbide forming elements in the tool steels. These carbide-forming elements, when combined with the carbon, provide the necessary hardness and wear resistance. For more information on tool steels and their properties visit www.simplytoolsteel.com
What is the differences between a bloom and slab and billet?
(a) Wrought structureIt has a finer grain size and enhanced properties which it requires more energy.(b) bloom/slabA bloom usually has a square cross, at least (6 in) on side. Also blooms are processed further by shape rolling into structural shapes as I-beams and railroad rails.A slab usually is rectangular in cross section that is rolled into plates and sheets.(c) BilletsUsually are square (with a cross-sectional areas smaller than blooms) and later are rolled into various shapes such as round rods and bars.(d) Wavy edgesare the result of roll bending. The stipe is thinner along its edges than at its center; thus the edges elongate more than the center.(e) Alligatoringis a complex phenomenon and typically is caused by nonuniform bulk deformation of the billet during rolling or by presence of defects in the original cast material.
What is choking in compressor?
The State of compressor, when the mass flow rate can not be increased any further, is known as choking.
Is there any difference between astm a105 and astm a105n?
ASTM A105N is different from A105. The A105 is classed "as forged" as opposed to A105N where the 'N' stands for normalized i.e. it has been heat treated to remove the internal stresses caused by casting, forming etc. If a customer specifically asks for A105N then it will be for a good reason. The normalizing heat treatment will ensure the A105N has superior properties to that of the A105. The 'N' is not a category code, the A105 should be normalized if intended for use below -1 C. There are API regulations that go further into it that you should read up on, primarily API RP14E. Hope this helps
What is The name and physical properties of an element is determined by?
The name and physical properties of an element are determined by its atomic structure, specifically the number of protons in its nucleus, which dictates its atomic number and unique identity. The arrangement of electrons around the nucleus further influences its chemical behavior and physical properties such as melting point, density, and color.
What is the material that cannot be broken down any further without losing its chemical properties?
Two types of material with defined chemical properties are single atoms (iron, carbon, etc.) and molecules made up of several atoms (NaCl. CCl4, etc). If either of these classes of materials is changed it looses its typical chemical properties.
What means to divide a material into its various parts?
To divide a material into its various parts means to separate it into its constituent components or elements. This process often involves techniques such as physical separation, chemical analysis, or mechanical methods to isolate and identify each part. The goal is to understand the material's composition, properties, or to prepare it for further processing or use. Such division is essential in fields like chemistry, materials science, and engineering.
How can combinations of materials make materials with better properties?
Combinations of materials can create composites that have enhanced properties compared to individual materials. For example, combining two materials with different properties, such as strength and flexibility, can result in a composite material that is both strong and flexible. Additionally, the arrangement and distribution of different materials within the composite can further optimize its properties, such as improving durability, conductivity, or corrosion resistance.
How can physical and chemical properties be used to identify an unknown sustance?
Physical and chemical properties can be used to identify an unknown substance by comparing its characteristics to known standards. Physical properties, such as boiling point, melting point, density, and solubility, provide measurable data that can help narrow down possibilities. Chemical properties, including reactivity with acids or bases and behavior under specific conditions, can further confirm the identity of the substance. By systematically analyzing these properties, one can make an informed identification of the unknown substance.
How can physical properties be used to identify substance?
Every substance has certain properties that show things about them, such as odor, taste, malleability, hardness, color, state at room temperature, and melting/boiling point. If you know the color of a substance, it is far easier to determine what that substance is, and if you know the color and the boiling point, your choices are limited even further. Using the physical properties of a substance, you can identify the substance based off of its unique properties or combinations of properties.
List physical properties of a car?
The passenger car is an excellent example of an object with physical properties. The color of car is physical, as are its weight and dimensions. Even the characteristic "new car" smell is a physical property.
The distance a material can stretch without tearing is?
known as the elastic limit or elongation at break. It varies depending on the type of material and its tensile properties, such as strength and ductility. Once a material reaches its elastic limit, it will undergo plastic deformation and potentially tear if stretched further.
How you differentiate substance from mixtures?
Substances are pure and consist of only one type of material with definite chemical properties, while mixtures are composed of two or more substances physically combined. Mixtures can be separated using physical methods, whereas substances cannot be broken down further by physical means.
What means to divide a material into its varios parts?
Dividing a material into its various parts refers to the process of separating or analyzing a substance into its individual components or constituents. This can involve physical methods, such as cutting or sorting, or chemical methods, like extraction or distillation. The aim is often to understand the properties, functions, or compositions of the parts for further study or application. This process is essential in fields like chemistry, materials science, and recycling.
When the light then passes through a second prism?
The second prism will refract the light further, altering its direction based on the prism's orientation and material properties. This refraction will depend on the angle at which the light hits the second prism and the refractive index of the prism material.
What is difference between annealing and normalizing?
The main difference between full annealing and normalizing is that fully annealed parts are uniform in softness (and machinablilty) throughout the entire part; since the entire part is exposed to the controlled furnace cooling. In the case of the normalized part, depending on the part geometry, the cooling is non-uniform resulting in non-uniform material properties across the part. This may not be desirable if further machining is desired, since it makes the machining job somewhat unpredictable. In such a case it is better to do full annealing.
