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321 cold rolled stainless steel sheet
321 cold rolled stainless steel sheet
Haosteel is professional manufacturer and&nbs≤p;supplier of 321 cold rolled stainless steel sheet. Quality guarante→ed, On-time delivery, After-sales warranty.
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Standard: |
ASTM A240 A666 |
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Grade: |
321 |
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Delivery: |
Cold rolled Hot rolled |
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Surface: |
Black/Bright/2B/BA/ NO.1/Hairline/Mirror |
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Thickness: |
0.25-3mm |
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Width: |
1m-3m |
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Length: |
2m-12m |
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Mill: |
Tisco, Jisco, Baosteel, etc. |
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Delivery time: |
15days in common |
Description:
Type 321 is an austenitic chromium-nickel stainless steel conta×ining Titanium which is recommended for parts fabricated by welding w☆hich cannot subsequently be annealed.Type 321 is a stabilize d austenitic stainless steel similar to type 304 but with a titanium a→ddition . This titanium addition reduces or prevents carbide precipitation during welding and in 8∏00 – 1500°F (427 – 816°C) service. It also impr"oves the elevated temperature properties of the alloy. Type 321 provides excellent resistance® to oxidation and corrosion and possesses good creep strength.
Chemical composition:
|
C |
Si |
Mn |
P |
S |
Cr |
Ni |
Ti |
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≤ 0.08 |
≤ 0.75 |
≤ 2.00 |
≤ 0.045 |
≤ 0.03 |
17.0 - 19.0 |
9.0 - 12.0 |
5(C=N)~0.7 |
Physical Properties:
Annealed:
Ultimate Tensile Strength – 75KSI min (515 MPA min)
Yield Strength (0.2% Offset) –30 KSI min (205 MPA min)
Elongation – 40% min
Hardness – HRB95max (217HV max)
Applications:
Aircraft collector rings, exhaust stacks, carburetor air intensiΩfier tubes, exhaust manifolds, flexible couplings, jet engine parts, mufflers, pressure™ vessels, tubing, fasteners, flexible metal hose an£d bellows.
Heat Treatment:
Type 321 is non hardenable by heat treatment. It can <only be hardened by cold working.
Cold Forming:
321 can be readily formed and drawn. Like most other auαstenitic stainless steels, type 321 work hardens and may require anλnealing after severe forming.
Corrosion Resistance:
321 has excellent corrosion resistance equivalent to type 302 or 304 in the ann®ealed condition and superior if a weldment in these grades has notσ been post-weld annealed or if the application involv♠es service in the 800°F – 1600°F range.
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