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Brief introduction and properties of SA299 GrB steel plate

SA299 GrB steel plate is often used in the manufacture of various welding parts whose working temperature does not exceed 400 degrees Celsius, such as the head and shell of boiler drums, pressure vessels, etc. Because of its working environment, SA299 GrB steel plate is required to have high medium temperature, good forming and heat treatment process performance, and good welding performance. SA299 GrB steel plate is American standard C-Mn-Si steel plate for pressure vessel.

SA299 GrB steel plate implementation standard: ASME SA299/SA299M.

SA299 GrB steel plate delivery status: hot rolled, normalized, stress relieved. Generally, the thickness more than 50mm is delivered in a normalized state.

Four properties of SA299 GrB steel plate:
Mechanical properties: strength, hardness, plasticity, fatigue, impact toughness.
Chemical properties: corrosion resistance, high temperature oxidation.
Physical properties: density, melting point, thermal expansion, magnetic properties, electrical conductivity.
Process performance: machinability, forgeability, castability, weldability.

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