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304H hot rolled stainless steel plate
304H hot rolled stainless steel plate
Haosteel is professional manufactur<er and supplier of 304H hot rolled stainless steel plat≈e. Quality guaranteed, On-time delivery, After-sales" warranty.
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Standard: |
ASTM A240 A666 |
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Grade: |
304H |
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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: |
2.5-200mm |
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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:
Due to its controlled carbon content of 0.04 to 0.10, Alloy 304H provides improved high temperatu♦re strength when exposed to temperatures above 800oF. Alloy 3σ04H also has greater short term and long term creep strength than Alloy 304L at temp£eratures above 500oC and is more resistant to sensitization than Alloy 304L.
Chemical composition:
|
C |
Si |
Mn |
P |
S |
Cr |
Ni |
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0.04 - 0.1 |
≤ 0.75 |
≤ 2.00 |
≤ 0.045 |
≤ 0.03 |
18.0 - 20.0 |
8.0 - 10.5 |
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 – HRB92max (201HV max)
Applications:
Alloy 304H is often used as a material of construction up to about 1500F. Some examples of applications that Alloy 304H is commonly used for includes:
· Most commonly used in petroleum refineries
· Boilers
· Heat exchangers
· Condensers
· Pipelines
· Cooling towers
· Steam exhausts
· Electric generation plants
· On occasion will be found in fertilizer and chemical plants
Corrosion Resistance:
Resistance to corrosion in oxidizing environments is a resul>t from the 18 to 19% chromium that the 304 alloys contain Resistance to moderately ®aggressive organic acids is a result from the 9 to 11% nickel that the₽ 304 alloys contain At times, Alloy 304L may show§ a lower corrosion rate than the higher carbon Alloy 304; otherwise, the 304, 304L, and 304H alloys may be considered to perform uniformly in most corrosive envi£ronments.
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