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321 Stainless Steel Plate

Alloy 321 (UNS S32100) is a titanium stabilized austenitic stainless steel with good general corrosion resistance. 321H (UNS S 32109) is the higher carbon (0.04 – 0.10) version of 321 stainless steel.

Reference Price: $1,600.00 - $1,800.00
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321 Stainless Steel Plate Brief Introduction

321 stainless steel plate is an austenitic alloy containing titanium (Ti), offering excellent resistance to high temperatures, oxidation, and intergranular corrosion. It is ideal for industrial applications in high-temperature, high-pressure environments.

321 stainless steel plate package

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 Quality Assurance

The core elements of 321 ss plate include carbon, chromium, nickel, and titanium. The addition of titanium improves resistance to intergranular corrosion. Product quality meets international standards, and MTCs are available upon request.
Standards:

  • ASTM A240/A240M (U.S.)

  • GB/T 4237 (China)

  • EN 1.4541 (Europe)

321 stainless steel offers excellent high-temperature resistance, enabling continuous operation at 800–900°C in oxidizing environments and withstanding short-term exposure up to 1000°C.

Specification Parameters
Basic Information

Property of 321/321H Stainless Steel Sheet/Plate

Chemical Analysis (%) Specified
Grade C Si Mn P S Cr Mo Ni Other
321 0.08 1.0 2.0 0.045 0.03 17.0 – 19.0 9.0-12.0 Ti ≥5*C%
321H 0.04 – 0.10 1 2 0.045 0.03 17.0 – 19.0 9.0-12.0 Ti 0.35

 

Grade Tensile Strength MPa (min) Yield Strength (0.2% offset) MPa (min) Elongation % in 50mm (min) Hardness (max)
321 515 205 40 95 HRB
321H 480 205 29 187 Brinell
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321 Stainless Steel Plate

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