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EPTT metal is an iron-carbon alloy with a carbon articles of .5718% to 2.11%. Also known as carbon steel. EPTTly includes a tiny volume of silicon, manganese, sulfur, phosphorus. EPTTly, the larger the carbon content in carbon steel, the higher the hardness and the increased the strength, but the decrease the plasticity.
EPTT structural metal
Model: Example Q235-A middotF, which means sigmas=235MPa.
Brand name notes: Q is the generate toughness A high quality quality (with ABCD quality 4), F boiling steel.
Characteristics: low price and exceptional procedure overall performance (this kind of as weldability and chilly formability).
Application: EPTT engineering structure and EPTT mechanical elements. For illustration, Q235 can make bolts, nuts, pins, hooks and much less EPTTant mechanical elements, as well as screw steel, EPT steel, steel bars in developing constructions.
EPT-top quality carbon structural steel
EPTmarks: Instance 45, 65Mn, 08F.
Brand annotation: straight expresses the carbon content material of the steel in tens of countless numbers.
Software: Non-alloy steels used to manufacture EPTTant mechanical parts are EPTTly used following warmth treatment.
Typical steel grades and uses:
08F, low mass portion of carbon, great plasticity, minimal power, utilised for stamping parts this kind of as vehicle and instrument shell
20, excellent plasticity and weldability, utilised for components with lower toughness needs and carburized parts, such as hoods, welded containers, little shafts, nuts, washers and carburized EPTs
45, 40Mn, with great comprehensive mechanical qualities following quenching and tempering, utilised for mechanical areas with greater pressure, these kinds of as EPTs, connecting rods, EPTT device spindles, and many others.
sixty, 65Mn metal has higher strength it is used to manufacture various EPTs, rims of locomotive wheels, and minimal-pace wheels.
EPTT device steel
Manufacturer: For case in point, T12 metal implies carbon tool metal with Wc=1.2%.
Grade notes: T in addition the metal carbon material in thousand.
Functions: It beEPTTs to eutectoid steel and hypereutectoid steel, with large energy and hardness, and very good dress in resistance. It is suitable for manufacturing various minimal-speed cutting tools.
Common metal grades and uses:
T7, T8: Manufacture components that demand a specific effect and call for toughness. This sort of as sledgehammer, punch, chisel, woodworking resources, scissors.
T9, T10, T11: Manufacture instruments with reduced influence and high hardness and dress in resistance. Such as taps, tiny drills, dies, and hand saw blades.
T12, T13: Make tools that are not impacted. Such as documents, scrapers, razors, measuring tools.
Brand: For case in point, ZG200-four hundred, signifies solid metal with sigmas=200MPa and sigmab=400MPa.
Performance: EPTT performance is worse than forged iron, but mechanical qualities are EPT than forged iron.
Software: It is mainly used to manufacture much more EPTTant mechanical parts with complicated designs and higher mechanical performance requirements, and it is challenging to form by forging and other approaches in the approach, this sort of as car EPTT shells, couplers and couplings of rolling stock.