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What is the application of A517GrB alloy?

A517GrB steel plate is a high-strength quenched and tempered alloy steel for pressure vessels and welded boilers. A517GrB alloy steel should be killed steel, and should meet the requirements of A20 / A20M standard fine austenite grain size. When the steel plate is heat-treated, the steel plate is heated to a temperature not lower than 900° C, quenched in water or oil, and then tempered at a temperature not lower than 620 ° C, and the holding time is at least 1 / 2h.

 A517GrB Pressure Vessel Steel Plates

Thickness : 3 - 50 mm

Width: 1220-4200mm

Length : 3000mm-11000mm.

Production : Hot-Rolled (HR)

Heat Treatment : Rolled/Normalized/N+T/quenched and tempered

The A517GrB alloy steel plate has high strength and excellent resistance, and is mainly used in large-scale water conservancy projects and petroleum, chemical machinery, gas storage, thermal power generation and other fields to produce large-scale and heavy equipment.


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