1, A514 GrE steel plate introduction: A514 GrE steel plate is ASTM specification under the quenched and tempered high-strength weldable steel plate, the main purpose is to use in the demand for high tensile, high yield from the place of engineering car lifting gears, the ocean channel with the rack and so on.
2, A514 GrE steel plate implementation standards: A514 Gr.E steel plate implementation ASTM A514/A514M-2014 standards
3,Delivery state of A514 GrE steel plate: Delivered in tempered (quenched + tempered) condition.
4,A514 GrE steel plate process flow
1)Materials(scrap steel, pig iron and molten iron)
2)Electric furnace (100 tons electric arc furnace exercise), converter
3)LF furnace steel purification treatment
(4) VD or VOD furnace molten steel vacuum treatment
(5) die casting (a variety of key mold casting line) or continuous casting (large slab caster); (a steel ingot remelting treatment 50-ton slab electroslag furnace)
(6) Heating (successive furnaces and even-heat furnaces)
7) Plate rolling (4100 and 4200mm mills)
8) Steel plate heat treatment (normalizing and tempering tempering)
9) Steel plate cutting and inspection
