347 Stainless Steel Coil

347 stainless steel coil is a brand of stainless steel produced according to ASTM standard in the United States.347 stainless steel plate is equivalent to China's 0Cr18Ni11Nb.

stainless steel coil.347 stainless steel plate: 18% chromium, 11% nickel.347 stainless steel plate =0Cr18Ni11Nb containing Nb to improve corrosion resistance between crystals, with increased strength and no reduction in plasticity. Reduce the thickness of the material. As a structural strength component.

347 stainless steel coil.Heat treatment: solid solution treatment (℃) 980-1150 fast cooling.Mechanical properties of solid solution treated austenitic steel with 347 stainless steel plates (GB/ t4237-92).Yield strength ≥205/MPa, tensile strength ≥520/ MPa, elongation ≥35%, hardness test: HBS≤187, HRB≤90, HV≤200.347 stainless steel chemical composition: C 0.08 or less, Si 1.00 or less, Mn 2.00 or less, P acuities were 0.035, S 0.030 or less, Ni = 9 ~ 13, Cr = 17.00 ~ 19.00, Nb 5 * C % or more.In the air or chemical corrosion medium can resist corrosion of a high alloy steel, stainless steel is a beautiful surface and corrosion resistance performance is good, do not have to undergo plating and other surface treatment, and play the inherent surface performance of stainless steel, used in various kinds of steel, usually referred to as stainless steel. Performance is represented by 13 chromium steel, 18-8 chromium nickel steel and other high alloy steel.From the metallographic point of view, because stainless steel contains chromium, the surface of the formation of a very thin chromium film, the membrane separated from the steel and the invasion of oxygen corrosion resistance.

347 stainless steel coil is to maintain the inherent corrosion resistance of stainless steel, steel must contain more than 12% chromium.347H stainless steel has good corrosion resistance, welding performance and thermal strength performance.347H austenitic stainless hot strength steel, has good corrosion resistance, welding performance and heat strength performance. 347H stainless steel is used for large boiler superheater, reheater, steam pipeline, petrochemical heat exchanger pipe fitting.


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