321 Stainless Steel Plates Manufacturer in China
321 grades of stainless steels plates are composed of 0.08% carbon, 2.0% manganese, 1.0% silicone, 0.045% phosphorous, 17-19% chromium, 0.10% nitrogen, 9-12% nickel, and 0.70% titanium. This grade belongs to austenitic stainless steel. SS321 is workable in temperature that ranges up to 900⁰C. It provides stability and high toughness.
At TouLian, we provide stainless steel plate 321 grade that is designed with excellent mechanical properties. We offer different surface treatments of SS321 plate such as 2B finish, #4 finish, #1 finish, 2D, BA, #8, 8K, mirror, embossed, hair line, etching, brush, sandblasting, and more. TouLian offers 321 stainless steel plates that are available in customized sizes and dimensions to meet your needs.
Mechanical Properties of SS321 Plates
Min. Tensile Strength | Min. Yield Strength | Min. Elongation | Min. Hardness |
75KSI | 30KSI | 40% | 95 HRB |

We offer 10mm 321 stainless steel mirror plates that is designed with passive film to ensure maximum protection against corrosion.

Our 3mm thick 321 stainless steel plates are widely used for beverage, aircraft, conveyor belts, springs, vehicles, and more applications.

TouLian 1mm stainless steel 321 plates are available in hot or cold rolled. It comes with different surface finish including 2B, mirror, and more.

The wear resistance stainless steel 321 grade plates are suitable for different applications including food vessel, construction, industry, etc.

Our anti-slip checkered SS321 plates are corrosion resistant, oxidation resistant, high temperature resistant, and has a stable lubrication performance.

We offer anti-corrosion cold-rolled SS321 plates that are designed to be used for household hardware, structural alloy, aerospace, industrial equipment, etc.
Stainless Steel 321 Plates Processing
- Forging
- Minor fabrication
- Cladding
- Bending
- Annealing
- Rolling
- Cutting
- Pickling, polish
- Heat treatment


321 Stainless Steel Applications
- Architectural
- Conveyors
- Chemical process vessels
- Food handling and processing
- Marine industry
- Heat exchangers
- Pharmaceutical equipment
- Annealing covers
- Boiler casing
- Automotive exhaust systems
- Firewalls
Specifications and International Standards
- ASTM A240
- DIN 1.4541
- AMS 5510
- SA 666
- UNS S32100
- ASTM A480
- ISO 15510
- EN10051
- ASTM A959
- ASME IID
- EN 10088-1
- EN ISO 9445

TouLian – Your Professional 321 Stainless Steel Plates Manufacturer in China


We offer 321 stainless steel plates that are transported and stored according international regulation. TouLian offers stainless steel plates 321 grade with your logo and brand name. You can assure that we provide a top-notched, high-quality, and long-lasting 321 stainless steel plates for your business or project. We have professional engineers with vast experience in producing a wide range of stainless steel plates 321 based on your requirements.
Send us your inquiries today!

- Intergranular Corrosion Test as per ASTM A262
- Hardness Testing
- Grain Size Testing
- Charpy Impact Test
- NACE MRO175
- Macro Test
- IGC Test
- Ultrasound Test

- Loose
- Carrate
- Wooden Pallet
- Wooden Box-a
- Plastic Cloth Wrap
- Poly bags
- Fumigation wooden cases
321 Stainless Steel Plates Physical Properties
Density | Thermal Coefficient Expansion Mean | Thermal Conductivity | Specific Heat from 0-100⁰C | Electrical Resistivity | Elastic Modulus | |||
0-100⁰C | 0-315⁰C | 0-538⁰C | At 100⁰C | At 500⁰C | ||||
8027 kg/m3 | 16.6 μm/m/°C | 17.2 μm/m/°C | 18.6 μm/m/°C | 16.1 | 22.2 | 500J/kg.K | 720 nΩ.m | 193 GPa |
The cost of a 321 grade stainless steel plates depends on its type and quantity. You can take a reference below.
- 321 embossing stainless steel plates may cost US $2500-3800 per metric tons
- ASTM 321 Stainless steel plate costs US$2000-2500 per ton
- Hot and Cold Rolled 321 Stainless Steel Plates costs US $700-999 per ton
- 321 polished stainless steel plates also costs US$2300-4500 per ton
Please contact us for more price details.