A514 Gr Q plate is a high strength weldable quenched and tempered steel plate according to ASTM standard. A514 grade Q QT steel plate, A514 Gr Q plate is mainly used in places requiring high tensile strength and high yield. A514 Gr Q or A514 Gr Q modified are generally used for lifting gear of engineering vehicle and rack of offshore platform. It varies with thickness. Its hardness is 235-290, yield is more than 630MPa, and tensile strength is more than 700MPa.
Pakistan's iron and steel industry has suspended A514 grade Q QT steel plate production and operation since the outbreak, the dawn reported on April 8. Last month, Prime Minister Imran announced a rescue package for the steel industry. Recently, Pakistan's steel industry called for the resumption of production as soon as possible.
The weldability of A514 grade Q QT steel plate is good. It means that under certain process and construction conditions, A514 grade Q QT steel plate can obtain good performance after welding. Weldability is a measure of the hot workability of steel. Weldability can be divided into weldability in construction and weldability in use. Weldability in construction refers to the sensitivity of cracking in weld metal and near seam zone, and hardening sensitivity of steel in near seam zone. Good weldability means that under certain welding process conditions, the weld metal and steel near the seam do not produce cracks. Weldability in use means that the mechanical properties of weld and HAZ steel are not lower than those of base metal.
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