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204Cu hot rolled stainless steel plate
204Cu hot rolled stainless steel plate
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Standard: |
ASTM A240 A666 |
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Grade: |
204Cu |
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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: |
2.5-100mm |
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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: |
15 days in common |
Description:
Alloy 204CU is a chromium-magnesium austenitic stainless steel with an addition of 2-4% copper and nitrogen of 0.05-0.25%. Due to the addition of copper the alloy has better formability than 201 and 304. The copper improves corrosion and resistance to stress corrosion cracking in certain media. 204CU bridges the cost-property gap between 200 and 300 series stainless. Alloy 204CU is slightly after cold working but can be minimized.
Chemical composition:
|
C |
Si |
Mn |
P |
S |
Cr |
Ni |
Mo |
|
≤ 0.03 |
≤ 0.75 |
≤ 2.00 |
≤ 0.045 |
≤ 0.03 |
18.0 - 20.0 |
11.0 - 15.0 |
3.0 - 4.0 |
Physical Properties:
Annealed:
Ultimate Tensile Strength – 92KSI min (635 MPA min)
Yield Strength (0.2% Offset) –42 KSI min (290 MPA min)
Elongation – 75% min
Reduction in area – 77% min
Applications:
Hinge pins and baskets use in the tobacco industry. Fasteners where higher strength, non-magnetic behaviour and galling resistance over 304 or 304HQ is required.
Heat Treatment:
Alloy 204CU is non hardenable by heat treatment.
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