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321 stainless steel plate
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321 stainless steel plate

321 stainless steel plates are part of the austenitic family of stainless steel. 321 is basically a 304 grade containing a stabilizer of titanium. 

Type 321 is a good choice for applications where heat is an issue. Grade 321 has excellent forming and welding characteristics.

Since titanium has a stronger affinity for carbon than chromium, titanium carbide precipitates within the grain instead of forming at the grain boundaries. 

While corrosion resistance is similar to 304 and 304L in the annealed condition, it features higher creep and stress rupture properties.

 These properties make it ideal for pressure vessels and boiler applications.

Composition of 321 stainless steel plate

Carbon MaxManganese MaxPhosphorous MaxSulfur MaxSilicon MaxChromium RangeNickel RangeNitrogen MaxTitanium
0.0820.0450.030.7517-199-120.10.7

321 stainless steel plate Mechanical Property

Tensile Strength Min75 KSI
Yield Strength Min30 KSI
Elongation Min40%
Hardness Min95 HRB

Specifications of 321 stainless steel plate

 Specification ASTM A240 / ASME SA240
 Manufacturing Process Hot Rolled (HR) / Cold Rolled (CR)
Grades 202 / 304 / 304L / 304H / 309S / 310S / 316 / 316L / 316Ti / 317L / 321 / 321H / 347 / 347H / 904L etc.
Thickness 0.6 MM TO 80 MM THICKNESS
 Width 1250 MM / 1500 MM / 2000 MM / 04 Feet / 05 Feet and Custom Cut Width as Per Requirement
Length 2400 MM / 2420 MM / 6000 MM / 08 Feet / 10 Feet / Coil Cut and Custom Cut Length as Per Requirement
Surface Finish 2B, 2D, BA, MATT, MATT PVC, No.4, No.5, SB, HR, No.8, Mirror, Hairline, Brush, Textured, Oil base wet Polished, Both sides Polished available.
Coating PVC coating Normal / Laser, Film: 100 micrometer, Color: black/white.
Value Added Services Gas Cutting / CNC Plasma Cutting / Profiling / Rolling / Bending / Sheet Metal Fabrication / Drill / Punch / Machining / Sand Blasting / Shot Blasting / Heat Treatment
Packaging Loose / Carrate / Wooden Pallet / Wooden box-a / Plastic Cloth Wraps

Application of 321 stainless steel plate

There are many uses for these grades of stainless steel plate, especially in environments which require higher temperatures. These grades of stainless steel plate are commonly used in heat exchangers, bellows, expansion joints, heating element tubing, spiral welded tubes for burner pipes and flues, as well as furnace parts. 

This grade of stainless steel plate also has applications in woven or welded metal screens for use in high temperature mineral processing. It also has applications in the aerospace industry, specifically in aircraft exhaust and piston engine manifolds.

 These grades are useful in chemical and food processing industries, specifically in equipment and storage. Petroleum refining, and the chemical industry and in waste treatment processes, are also good applications for these grades. They are more commonly used in Europe than in North America.

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export country

We are a well known worldwide supply and export 300 series stainless steel plate in following countries:,Italy, Philippines, France,Ireland, Portugal, Gambia, Thailand, Ukraine, United Kingdom, Netherlands, South Africa, Spain, Turkey, Libya, Romania, Puerto Rico, Azerbaijan, United Arab Emirates, Pakistan, Ghana, Slovakia, Germany, Saudi Arabia, Afghanistan, Bolivia, Switzerland, Bangladesh, Taiwan, Oman, Egypt, Greece, Norway, Singapore, Bulgaria, Estonia, Belgium, Yemen, Hong Kong, Ecuador, Sri Lanka, Nepal, Belarus, Finland, Gabon, Iran, Canada, Argentina, Lebanon.

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