Wearable steel plate with low cost and high strength and producing method thereof
A wear-resistant steel plate, low-alloy high-strength technology, applied in the field of high-strength wear-resistant steel plates, can solve the problems affecting the normal production of heat treatment furnaces, difficult production organization and control, increase production costs, etc., to achieve high strength, good welding performance, The effect of increasing productivity
Inactive Publication Date: 2010-12-29
SHOUGANG CORPORATION +2
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The invention provides a wearable steel plate with low cost and high strength and a producing method thereof. The mass percentage of chemical components of the steel plate are that: C is 0.13-0.20%, Si is 0.15-0.40%, Mn is 0.8-1.50%, P is not more than 0.02%, Cr is 0.10-0.50%, Al is 0.02-0.06%, Ti is 0.005-0.02%, B is 0.0010-0.0020%, and the residue is Fe and inevitable impurities. The producing method for the steel comprises the following steps of highly cleaning steel melting-molten iron desulfuration-converter top-bottom composite blowing-vacuum treatment-blank casting; especially, the technique parameters in the process of slab heating, rolling and heat treatment can be reasonably controlled; the maximum thickness of the made steel plate is 80mm, the Brinell hardness is 370-430 and the hardness is uniformly distributed. The chemical components of the steel contain no precious alloy elements such as Nb, V, Mo and Ni, etc; the steel has low content of alloy, low cost, good roughness, good wearable performance and welding performance; the steel is widely applied for severe working conditions and the mine and the engineering machinery product with high performance requirement on the steel.
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