SUS347 stainless steel plate is a brand of stainless steel produced in accordance with Japanese JISG4304/4312 standard. SUS347 stainless steel plate is equivalent to my country's 0Cr18Ni11Nb stainless steel plate.
SUS347 stainless steel plate: 18% chromium, 11% nickel
The SUS347 stainless steel plate contains Nb to improve the resistance to intergranular corrosion. It has increased strength and no reduction in plasticity. Reduce the thickness of the material. As a structural strength member.
SUS347 stainless steel plate heat treatment: solution treatment (℃) 980-1150 quick cooling
Mechanical properties of austenite steel of SUS347 stainless steel plate after solution treatment (GB/T4237-92)
Yield strength ≥205/MPa, tensile strength ≥520/MPa, elongation ≥35%, hardness test: HBS≤187, HRB≤90, HV≤200
Chemical composition of SUS347 stainless steel plate: C≤0.08, Si≤1.00, Mn≤2.00, P≤0.035, S≤0.030, Ni=9~13, Cr=17.00~19.00, Nb≥5*C%
A kind of high alloy steel that can resist corrosion in the air or chemical corrosion media. Stainless steel has a beautiful surface and good corrosion resistance. It does not need to undergo surface treatment such as plating, but exerts the inherent surface properties of stainless steel. It is used in many A type of steel, usually called stainless steel. The representative performance is 13 chrome steel, 18-8 chrome nickel steel and other high alloy steel.
From the metallographic point of view, because the stainless steel contains chromium, a very thin chromium film is formed on the surface. This film is isolated from the oxygen intruding into the steel and plays a role in corrosion resistance.
In order to maintain the inherent corrosion resistance of stainless steel, steel must contain more than 12% chromium.
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