SGS inspection, ASTM A572Gr.50 high tensile structural steel plate, black painted

Grade 50 is a high strength, low alloy steel that finds its best application where there is need for more strength per unit of weight. Less of this material is needed to fulfill given strength requirements than is necessary with regular carbon steels. Grade 50 is used in general plate applications when the plate will be riveted, bolted, or welded. Grade 50 is a Columbium-Vanadium steel that offers a minimum yield of 50,000 PSI. In addition, ASTM A572 Grade 50 is noted for its increased resistance to atmospheric corrosion. Grade 50 contains more alloying elements than plain carbon steel and thus is somewhat more difficult to form. Grade 50 is more difficult to cold work, but can be successfully bent or shaped but requires more force than plain carbon steel.

ASTM A572 Grade 50 is considered a "workhorse" grade and is widely used in many applications. Steel mills produce channel and heavy beams with Grade 50. It is commonly used in structural applications, heavy construction equipment, building structures, heavy duty anchoring systems, truck frames, poles, liners, conveyors, boom sections, structural steel shapes, and applications that require high strength per weight ratio.

MACHINEABILITY AND WELDABILITY
Machinability is rated at 66% of B1112. Average cutting speed 110 ft/min. Easily welded by all commercial methods.

HEAT TREATING
Grade 50 is generally used in the "as supplied" condition. Annealing, if required, can be done at 1700F and slow furnace cooled.

Our plates are sourced from the highest quality steel manufacturers in China and, like all our suppliers, these manufacturers have been vetted and assessed by our procurement team.

As well as being available from stock all steel plate can be cut to size and shape according to your fabrication and design requirements and all work is governed by our independently accredited and regularly audited quality systems to ISO 9001.

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