Cold rolled 321 stainless steel sheet 2B mill finish 1219mm 1500mm
Haosteel Stainless steel now includes Alloy 321 (UNS S32100) in
sheet, sheet coil, plate, round bar, processed flat bar and tubular
|Yield Strength 0.2%|
% in50 mm (min.)
Alloy 321 (UNS S32100) is a titanium stabilized austenitic
stainless steel with good general corrosion resistance. It has
excellent resistance to intergranular corrosion after exposure to
temperatures in the chromium carbide precipitation range of 800 –
1500°F (427 – 816°C). The alloy resists oxidation to 1500°F (816°C)
and has higher creep and stress rupture properties than alloys 304
and 304L. It also possesses good low temperature toughness.
Alloy 321H (UNS S 32109) is the higher carbon (0.04 – 0.10) version
of the alloy. It was developed for enhanced creep resistance and
for higher strength at temperatures above 1000oF (537°C). In most
instances, the carbon content of the plate enables dual
Alloy 321 cannot be hardened by heat treatment, only by cold
working. It can be easily welded and processed by standard shop
Aerospace – piston engine manifolds
Food Processing – equipment and storage
Petroleum Refining – polythionic acid service
Waste Treatment – thermal oxidizers
ASTM/ASTE: UNS S32100
Exhibits good general corrosion resistance that is comparable to
Developed for use in the chromium carbide precipitation range of
1800 – 1500°F (427 – 816°C) .
Can be used in most diluted organic acids at moderate temperatures
Can be used in pure phosphoric acid at lower temperatures.
Can be used in up to 10% diluted solutions at elevated
Resists polythionic acid stress corrosion cracking in hydrocarbon
Utilized in chloride or fluoride free caustic solutions at moderate
Does not perform well in chloride solutions, even in small
concentrations, or in sulfuric acid service.
Alloy 321/H can be easily welded and processed by standard shop
Working temperatures of 2100 – 2300°F (1149 – 1260°C) are
recommended for forging, upsetting and other hot working processes.
Alloy not suitable for work at temperatures below 1700°F (927°C)
Material must be water quenched or fully annealed after working to
re-attain maximum corrosion resistance.
Quite ductile and forms easily.
Readily welded by most standard processes.
Post weld heat treatment is not necessary
Hardening rate of 321 makes it less machinable than 410 stainless
steel, but similar to 304