stainless steel 321 sheet AMS 5510
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What is AMS 5510?
AMS 5510 is the aerospace material standard for Type 321 stainless steel, a chromium-nickel alloy that contains titanium to enhance its resistance to intergranular corrosion, especially at elevated temperatures. This titanium addition stabilizes the steel by preventing chromium carbide formation during welding and high-temperature exposure. AMS 5510 is available in sheet, strip, and plate forms and is used in high-temperature applications such as aircraft exhaust systems, chemical processing equipment, and jet engine components
What is stainless steel 321 sheet AMS 5510?
Type 321 stainless steel plate, conforming to AMS 5510, is a titanium-stabilized austenitic stainless steel that offers excellent resistance to intergranular corrosion, especially at elevated temperatures. A variation of Type 304 stainless steel, the addition of titanium prevents the precipitation of chromium carbides, making it an excellent choice for welding and applications in the 427 to 816°C (800 to 1500°F) temperature range. Type 321 stainless steel is commonly used in applications such as exhaust pipes, manifolds, and annular collectors.
Chemical Composition Limits
| Weight% | C | Si | Mn | P+S | Cr | Ni | Ti | N | Fe | Cu | Mo |
| AMS 5510 Alloy 321 |
0.08 max | 0.25-1.00 | 2.0 max | 0.040P 0.030S |
17-19 | 9-12 | 0.7 max | 0.1 max | Bal | 0.75 max | 0.75 max |
Mechanical Properties
| Material | Condition | Tensile Strength (ksi) | Yield Strength (ksi) | % Elongation | Hardness HB |
| Alloy 321 AMS 5510 |
AMS 5510 Sheet (Sol Trtd) | 70-100 | 25 | 40 | - |
| Alloy 321 AMS 5645 |
AMS 5645 Bar (Sol Trtd) | - | - | - | 255 max |
How does annealing affect the performance of AMS 5510 321 sheets?
Annealing is a heat treatment process that significantly enhances the properties of AMS 5510 321 stainless steel sheets:
| Annealing Effect | Performance Improvement |
|---|---|
| Stress Relief | Reduces internal stresses from cold working or rolling |
| Enhanced Ductility | Improves flexibility and formability for bending, forming, or welding |
| Corrosion Resistance | Minimizes susceptibility to intergranular corrosion |
| Mechanical Properties | Stabilizes tensile strength, yield strength, and hardness |
| High-Temperature Stability | Ensures performance in temperatures up to 870°C (1600°F) |
321 Stainless Steel AMS 5510 Corrosion Resistance
Annealed Type 321 stainless steel is resistant to atmospheric corrosion, foodborne illnesses, disinfectants, many organic chemicals and dyes, and many inorganic chemicals. It exhibits excellent resistance to intergranular corrosion.
321 Stainless Steel AMS 5510 Processing
The recommended operating temperature for forging, upsetting, and other hot working processes is 1149-1260°C (2100-2300°F). Operating temperatures below 927°C (1700°F) are not suitable. After processing, the material must be water quenched or fully annealed to restore optimal corrosion resistance.
What thickness and sizes are available for AMS 5510 321 sheets?
AMS 5510 321 stainless steel sheets are available in a wide range of thicknesses and sizes to suit various industrial applications:
| Product Form | Typical Thickness (mm) | Width (mm) |
|---|---|---|
| Sheets / Plates | 0.5 – 14.0 | 1000 – 2500 |
| Coils / Strips | 0.3 – 3.0 | 500 – 1500 |
| Custom Sizes | 0.5 – 14.0 | Custom widths |
Where can I buy AMS 5510 321 stainless steel sheets, plates, and coils?
If you have a project need for 321 stainless steel plate, we welcome your order. GNEE has a large inventory of popular products for you to choose from. We offer a variety of practical product forms, including hot-rolled and cold-rolled. For detailed chemical composition and free samples, please contact our factory today. We offer competitive pricing and excellent service.
