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321 Stainless Steel Round Bar

Haosteel is professional manufacturer and supplier of 321 Stainless Steel Round Bar . Quality guaranteed, On-time delivery, After-sales warranty.

 

Standard: 

ASTM A276/A484/A582

Grade:

321

Delivery:

Hot rolled, Cold drawn

Surface:

Pickled,Black,Bright,Polishing,Grinded

Diameter:

1mm-300mm

Length: 

2m-12m as customer request

round bar:

Hot rolled black bar/Acid round bar

Cold drawn bright bar/Polishing round bar

Mill:

Tisco, Jisco, Baosteel, etc.

Delivery time:

15 days in common



Description:

Type 321 is an austenitic chromium-nickel stainless steel containing Titanium which is recommended for parts fabricated by welding which cannot subsequently be annealed.Type 321 is a stabilized austenitic stainless steel similar to type 304 but with a titanium addition.

 

Chemical composition:

C

Si

Mn

P

S

Cr

Ni

≤ 0.08

≤ 1.00

≤ 2.00

≤ 0.045

≤ 0.03

17.0 - 19.0

9.0 - 12.0

 

Physical Properties:

Annealed:
Ultimate Tensile Strength – 75 KSI min (515 MPA min)
Yield Strength (0.2% Offset) – 30 KSI min (205 MPA min)
Elongation – 40% min
Hardness –Rb 95 max

 

Corrosion Resistance
321 has excellent corrosion resistance equivalent to type 302 or 304 in the annealed condition and superior if a weldment in these grades has not been post-weld annealed or if the application involves service in the 800°F – 1600°F range.

 

Heat Treatment
Type 321 is non hardenable by heat treatment. It can only be hardened by cold working.





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