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SUS321 stainless steel

321 chemical composition: carbon: 0.08 silicon: 1.00 Manganese: 2.00 P: 0.045 S: 0.030 Nickel: 9.00-12.00 chrome: 17.00-19.00 Ti: 5C-0.70

austenitic stainless steel is equivalent to domestic 1Cr18Ni9Ti

U.S. brands as: 321, S32100, TP321

Japan Grade: SUS321

British brands: 304S12, 321920

Germany Grade: X10CrNiTi189

321 Ti stainless steel which exists as a stabilizing element , but it is also a hot strong steel , at high temperatures much better than the 316L .321 stainless steel in different concentrations, different temperatures, organic acids and inorganic acids , especially in oxidizing medium has good abrasion performance , acid for the manufacture of wear-resistant containers and the lining wear equipment, pipelines .

321 stainless steel is Ni-Cr-Mo type austenitic stainless steel, and its performance and 304 very similar, but because of adding the metal titanium, it has a better resistance to corrosion and high temperature strength of the grain boundary. The addition of titanium to make it effective control of the formation of chromium carbide.

321 stainless steel has excellent high temperature stress rupture (Stress Rupture) properties and high temperature creep resistance properties (Creep Resistance) 304 stress mechanical properties are better than stainless steel.

industry applications:

used for high corrosion resistance of grain boundary chemical, coal, petroleum industry, the open field machinery, building materials and heat treatment of heat-resistant parts difficult part

1.

petroleum gas burning pipes

2.

engine exhaust pipe

3. boiler shells, heat exchangers, furnace parts

4.

diesel engine parts with silencer

5.

boiler and pressure vessel

6.

chemical carrier

7.

expansion joints

8. dryer burner with a pipe and spiral welded pipe

321 dimensions and tolerances for stainless steel