T4003 / 3cr12 Lamiera di acciaio inossidabile

What is T4003 /3Cr12 stainless steel?

3Cr12 stainless steel sheet is a ferritic stainless steel containing 12% Cr, which is equivalent to the European 1.4003 grado. It is an economical ferritic stainless steel used to replace coated carbon steel, weathering steel and aluminum. It has the characteristics of simple processing and manufacturing, and can be welded by conventional welding technology. It can be used to make: motor vehicle frames, chassis, hoppers, conveyor belts, mesh screens, conveying troughs, coal bins, containers and tanks, chimneys, air ducts, and outer covers , Panels, sidewalks, stairs, rails, eccetera.

In order to improve the overall performance of the material, trace metal elements such as Nb and V can be added, and the total addition amount does not exceed 0.15%.

The company provides T4003, 1.4003, 3Cr12 stainless steel cold and hot rolled coils, steel plates, flat plates, and steel strips.

Chemical composition of T4003 /3Cr12 stainless steel sheet

Carbon C: ≤0,03
Silicon Si: ≤1,00
Manganese Mn: ≤1,5
sulfur S: ≤0,015
Phosphorus P: ≤0.040
Chromium Cr: 10.5～12.5
Nickel Ni: 0.3～1.0
Nitrogen N: ≤0.030

Mechanical properties of 3Cr12 stainless steel sheet

Resistenza alla trazione σb(MPa): 450～650
Carico di snervamento condizionato σ0,2 (MPa): ≥320 (≤6mm), ≥280 (>6mm)
Elongation δ5 (%): ≥20 (≤6mm), ≥18 (>6mm)
Impact energy Akv(J): ≥50 (≥15mm), ≥35 (less than 15mm)
Durezza: ≤200 (≤12mm), ≤250 (>12mm)

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