321 Stainless Steel Plate

Baosteel/Tisco/Posco 321 stainless steel plate water resistant surface finish 321 stainless steel plate is used in outdoor machinery in chemical, coal and petroleum fields which has high requirements on inter-granular corrosion and building materials heat-resistant parts and parts with...
Product description

Baosteel/Tisco/Posco 321 stainless steel plate water resistant surface finish

321 stainless steel plate is used in outdoor machinery in chemical, coal and petroleum fields which has high requirements on inter-granular corrosion and building materials heat-resistant parts and parts with difficulties in heat treatment. 


Mechanical Performance

Specification


( Mpa )

EL(%)

Hv

TYPE 321

≥205

≥520

≥40

≤200


The Chemical Composition of 321 Stainless Steel Plate
 S: 0.030
 Ni: 9.00-12.00
 Cr: 17.00-19.00
 Ti: 5C-0.70


Performance
 Ti is a stabilizing element in 321 stainless steel plate. It is also a kind of heat strength steel, which is much better than 316L stainless steel plate in aspects like high temperature. 321 stainless steel plates have good corrosion resistance in organic and inorganic acids of different concentrations and temperatures, especially in oxidizing media. It is used for manufacturing lining and conveying pipes of wear-resistant acid containers and wear-resistant equipment.
 321stainless steel plates are Ni-Cr-Mo austenitic stainless steel plates, the properties of which are very similar to that of the 304 stainless steel plate. But due to the addition of titanium, it has better grain boundary corrosion resistance and high temperature strength. Because of the addition of titanium, it effectively controls the formation of chromium carbide.
 321 stainless steel plate has excellent high temperature stress rupture properties and high temperature creep resistance performance and stress mechanical properties, which are all superior to those of 304 stainless steel plates.

The Difference between 321 Stainless Steel Plates and Other Stainless Steel Plates
 321 contains titanium.
 316 contains molybdenum.
 304 contains neither titanium nor molybdenum.
 Mo2Ti contains both molybdenum and titanium. The properties of 316L are best and the properties of 321/304 are ordinary.


Product Application
 1. Petroleum exhaust combustion pipe
 2. Engine exhaust pipe
 3. Boiler shell, heat exchanger, heating furnace parts
 4. Silencing parts for diesel engines
 5. Boiler pressure vessels
 6. Chemical transport vehicles
 7. Telescopic joints
 8. Spiral welded Pipe for Burner Pipe and Dryer

Calculation formula of 321 stainless steel plate: thickness(mm)* width(m) * length(m) * density

 

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