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Alloy 321 & 321H Stainless Steel Plate High Carbon Austenitic Stainless Steel Stabilized With Titanium
| Place of Origin | China |
|---|---|
| Brand Name | DELTA |
| Certification | ISO |
| Model Number | 321H |
| Minimum Order Quantity | 400 kgs |
| Price | 3000 -3220 USD/Ton |
| Packaging Details | wooden pallets + waterproof paper |
| Delivery Time | 5 - 12 days based on the quantity |
| Payment Terms | L/C, T/T, Western Union |
| Supply Ability | 10 Ton per week |
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xProduct Details
| Products | Stainless Steel Plates | Grade | 321H |
|---|---|---|---|
| Standard Size | 1000*2000mm 1219*2438mm 1500*6000mm | Thickness | 0.6- 30.0mm |
| Brand | TISCO BAOSTEEL POSCO LISCO | Loading Port | Shanghai Port |
| MOQ | 200 Kgs | Packing | Wooden Pallets + Waterproof Paper |
| Highlight | High Carbon Stainless Steel Plate,Austenitic Stainless Steel Plate,Stabilized With Titanium Stainless Steel Plate |
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Product Description
Alloy 321 & 321H Stainless Steel Plate High Carbon Austenitic Stainless Steel Stabilized With Titanium
More Informations of our Products
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Product
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Stainless Steel Sheet/Plate
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Standard
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ASTM A240,GB/T3280-2007,JIS4304-2005,ASTM A167,EN10088-2-2005,etc
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Material
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310S,310,309,309S,316,316L,316Ti,317,317L,321,321H,347,347H,304,304L,302,301,
201,202,403,405,409,409L,410,410S,420,430,631,904L,Duplex,etc
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Surface
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2B,2D,BA,NO.1,NO.4,NO.8,8K,mirror,checkered,embossed,hair line,sand blast,Brush
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Thickness
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Cold Rolled:0.3-6mm
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Hot Rolled: 3-20mm
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Width
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1000mm,1219mm,1500mm,1800mm,2000mm,2500mm,,etc
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Length
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2000mm,2440mm,3000mm,5800mm,6000mm,etc
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Package
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Covered with a layer of plastic film and cardboard,packed on the wooden pallets/ iron packing,bound with iron belt,loaded in the containers.
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Price Terms
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Ex-Work,FOB,CFR,CIF,FCA,etc
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Payment Terms
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TT,L/C at sight ,western Union,etc.
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321/321H is a strong stainless steel alloy that can withstand high temperatures and is resistant to corrosion in hot environments. It is a variation of the standard 321 alloy, which is stabilised with titanium to improve its intergranular corrosion resistance. The H in 321H stands for "high carbon" which indicates that the alloy has a higher carbon content than standard 321 alloy.
The alloy is very resistant to rust, especially in hot places like the aerospace and petrochemical industries. It also has a good resistance to intergranular corrosion and is resistant to pitting and crevice corrosion in chloride-containing environments. The alloy is strong at high temperatures. It can be used for exhaust manifolds, furnace parts, and heat exchangers.
Chemical Composition of 321/321H
The chemical composition of 321 stainless steel, also known as UNS S32100 or 1.4541, is as follows:
- Carbon (C): 0.08% max
- Manganese (Mn): 2.00% max
- Silicon (Si): 1.00% max
- Phosphorus (P): 0.045% max
- Sulfur (S): 0.03% max
- Chromium (Cr): 17.0-19.0%
- Nickel (Ni): 9.0-12.0%
- Titanium (Ti): 5xC min
- Iron (Fe): balance
The chemical composition of alloy 321H (UNS S32109) and 1.4878 is as follows:
Carbon: 0.04-0.10%
Manganese: 2.00% maximum
Phosphorus: 0.045% maximum
Sulfur: 0.030% maximum
Silicon: 0.75% maximum
Chromium: 17.00-19.00%
Nickel: 9.00-12.00%
Titanium: 5x(C+N) 0.70% maximum
Nitrogen: 0.10-0.25%
Iron: Balance
Alloy 321H contains small amounts of columbium and tantalum, typically around 0.10% each. These elements enhance its stability when exposed to high temperatures.
The alloy's composition may differ a bit based on the manufacturer and the specific grade of the alloy. It is always recommended to consult the manufacturer's data sheet for the exact composition of the alloy in a given application.
321 and 321H are both variations of the alloy known as stainless steel 321. They have similar chemical compositions and are often used interchangeably in industry.
The main difference between the two is that 321H has a higher carbon content, which gives it improved high-temperature strength.
Physical & Mechanical Properties of 321/321H
Physical Properties:
- Density: 0.28 lb/in3 (7.99 g/cm3)
- Melting point: 2550-2650°F (1399-1454°C)
Mechanical Properties:
- Tensile strength: 90 ksi (620 MPa)
- Yield strength: 45 ksi (310 MPa)
- Elongation: 40%
- Hardness: Rb 95
- Impact strength: 20 ft-lb (27 J)
321/321H is rust resistant and has strong properties.
This makes it ideal for hot applications such as furnace parts, heat exchangers, and boilers.
321 Stainless Steel Grade Series
There are several variants of stainless steel 321, each with slightly different chemical compositions and properties. Some examples include:
- 321F: This variant is a stabilised version of 321 and is used in applications where high temperatures are a concern. It is stabilised with titanium to prevent carbide precipitation.
- 321L: This variant has lower carbon content than 321 and 321H, which makes it more resistant to intergranular corrosion. It is often used in welding applications.
- 321H: As I mentioned before, this variant has higher carbon content than 321, which improves its high temperature strength.
- 321Ti: This variant is similar to 321F but uses titanium instead of niobium as the stabilising element.
- 321LN: This variant is a low-carbon, nitrogen-strengthened version of 321. It offers improved toughness and resistance to intergranular corrosion.
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