321 Stainless Steel Plate

321 stainless steel plate is used in the field of chemical, coal and oil industry, which has high resistance to grain boundary corrosion, and it has difficult parts for building materials and heat treatment. Chemical Composition(WT%) C ≤ 0.08 Si ≤ 1.00 Mn ≤ 2.00 Cr: 17.0 to 19.0 P ≤ 0.035 S ≤...

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Product Details

321 stainless steel plate is used in the field of chemical, coal and oil industry, which has high resistance to grain boundary corrosion, and it has difficult parts for building materials and heat treatment.

Chemical Composition(WT%)

C ≤ 0.08

Si ≤ 1.00

Mn ≤ 2.00

Cr: 17.0 to 19.0

P ≤ 0.035

S ≤ 0.030

Ni: 9.0 to 12.0

Ti ≥ 5×C%

Physical Property

Tensile Strength ≥ 520MPa

Yield Strength ≥ 205MPa

Elongation: more than 40%

Properties

321 stainless steel plate where the TI as a stabilizing element exists, but it is also hot and strong steel, at high temperature than 316L stainless steel plate better.

321 stainless steel plate in different concentrations, different temperature of organic acids and inorganic acids, especially in the oxidation of the medium has good wear and corrosion resistance, For the manufacture of wear-resistant acid containers and wear-resistant equipment 321 stainless steel plate 321 stainless steel plate (11) lining, conveying pipe.

321 Stainless steel plate is NI-CR-MO type austenitic stainless steel plate, its performance and 304 stainless steel plate very similar, but due to the addition of metal titanium, so that it has a better resistance to grain boundaries and high temperature strength. Because of the addition of metal titanium, it can effectively control the formation of chromium carbide. 321 Stainless steel plate has excellent high temperature stress breaking (Stress rupture) performance and high temperature resistance to latent degeneration (creep resistance) stress mechanical properties are better than 304 stainless steel plate.

Industry applications

1. Oil exhaust gas combustion pipeline

2. Engine exhaust pipe

3. Boiler shell, heat exchanger, heating furnace parts

4. Muffler parts for diesel engine

5. Boiler pressure Vessel

6. Chemical Transport Vehicle

7. Telescopic Joint

8. Spiral welded pipe for burning furnace pipe and dryer

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