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ASTM A36 steel plate is one of the most widely used hot-rolled steel products. As a type of carbon structural steel, its related forms include round bars, angle bars, and structural sections such as I-beams, H-beams, angles, and channels. The hot-rolling process gives ASTM A36 a rough surface finish, making it suitable for further processing, such as machining or fabrication.
This steel grade can be manufactured into a wide range of structural components and is extensively used across various industries due to its versatility. One of the main reasons for choosing ASTM A36 is its balanced combination of good mechanical properties and cost-effectiveness. Its excellent strength and toughness make it a popular choice in the construction of bridges and buildings.
In addition to construction, ASTM A36 steel is commonly utilized in the automotive industry, heavy equipment manufacturing, and the oil and gas sector, making it a reliable material for both structural and industrial applications.
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Application of ASTM A36 Steel Plate
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ASTM A36 Carbon Structural Steel Plate Application fields |
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machinery parts |
frames |
fixtures |
bearing plates |
tanks |
bins |
bearing plates |
forgings |
|
base plates |
gears |
cams |
sprockets |
jigs |
rings |
templates |
fixtures |
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ASTM A36 Steel Plate Fabrication Options |
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cold bending |
mild hot forming |
punching |
machining |
welding |
cold bending |
mild hot forming |
punching |
Chemical Composition Analyze of ASTM A36 Steel Plate
ASTM A36 is classified as a general-purpose low carbon steel, with a carbon content typically below 0.3%. This low carbon composition makes the material relatively soft, allowing for excellent formability, machinability, and weldability. Heat treatment has minimal impact on its mechanical properties, which contributes to its ease of use in various fabrication processes.
In addition to iron, ASTM A36 contains small amounts of alloying elements such as manganese, sulfur, phosphorus, and silicon. These elements work together to give the steel its distinctive mechanical characteristics. Unlike stainless steels that contain corrosion-resistant elements like nickel and chromium, ASTM A36 does not naturally resist corrosion. Therefore, for applications requiring corrosion protection, applying a protective coating or plating is recommended.
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ASTM A36 Hot Rolled Steel Plate |
Chemical Compostion |
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|
Element |
content |
|
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Carbon, C |
0.25 - 0.290 % |
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Copper, Cu |
0.20 % |
|
|
Iron, Fe |
98.0 % |
|
|
Manganese, Mn |
1.03 % |
|
|
Phosphorous, P |
0.040 % |
|
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Silicon, Si |
0.280 % |
|
|
Sulfur, S |
0.050 % |
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Physical Property Analyze of ASTM A36 Steel Plate
ASTM A36 steel exhibits an ultimate tensile strength ranging from 58,000 to 79,800 psi. This range is not fixed, as the actual tensile strength may vary depending on the material’s chemical composition and manufacturing process. In tensile testing, A36 steel typically demonstrates an elongation of approximately 20% of its original length, indicating good ductility. Additionally, it offers excellent impact strength at room temperature, making it a reliable choice for structural and general-purpose applications.
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Physical Property |
Metric |
Imperial |
|
Density |
7.85 g/cm3 |
0.284 lb/in3 |
Mechanical Property of ASTM A36 Steel Plate
|
ASTM A36 Hot Rolled Steel Plate |
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|
Mechanical Properties |
Metric |
Imperial |
|
Tensile Strength, Ultimate |
400 - 550 MPa |
58000 - 79800 psi |
|
Tensile Strength, Yield |
250 MPa |
36300 psi |
|
Elongation at Break (in 200 mm) |
20.0 % |
20.0 % |
|
Elongation at Break (in 50 mm) |
23.0 % |
23.0 % |
|
Modulus of Elasticity |
200 GPa |
29000 ksi |
|
Bulk Modulus (typical for steel) |
140 GPa |
20300 ksi |
|
Poissons Ratio |
0.260 |
0.260 |
|
Shear Modulus |
79.3 GPa |
11500 ksi |
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