The overall heat transfer coefficient of the metal of the stainless steel plate

The overall heat transfer coefficient of the metal of the stainless steel plate depends on other factors besides the thermal conductivity of the metal. In most cases, the heat dissipation coefficient of the film, the scale and the surface condition of the metal. Stainless steel keeps surfaces clean, so it conducts heat better than other metals with higher thermal conductivity. Technical standard of stainless steel plate High-strength stainless steel plate with excellent corrosion resistance, bending workability, toughness of welded part, and stamping workability of welded part and its manufacturing method. Specifically, it contains C: 0.02% or less, N: 0.02% or less, Cr: 11% or more but less than 17%, appropriate content of Si, Mn, P, S, Al, Ni, and satisfies 12≤Cr Mo 1.5Si≤ 17. The stainless steel plate with 1≤Ni 30(CN) 0.5(Mn Cu)≤4, Cr 0.5(Ni Cu) 3.3Mo≥16.0, 0.006≤CN≤0.030 is heated to 850～1250℃, and then heated to 1℃/s The above cooling rate cooling heat treatment. In this way, it can be a high-strength stainless steel plate with a structure containing more than 12% martensite by volume, high strength of more than 730MPa, corrosion resistance and bending performance, and excellent toughness of the welding heat-affected zone. Reuse of Mo, B, etc., can significantly improve the stamping performance of the welded part. The flame of oxygen and gas cannot cut stainless steel because stainless steel is not easily oxidized.