SS304 Stainless Steel
SS304 is a widely used austenitic chromium-nickel stainless steel combining corrosion resistance, mechanical strength, formability and weldability for general industrial sealing service.
SS304 Grade Information
SS304 is a widely used austenitic chromium-nickel stainless steel combining corrosion resistance, mechanical strength, formability and weldability for general industrial sealing service.
Aerospace flat-product specification for SS304. Review the material identity, supply condition and reference properties before preparing an enquiry.
| Material specification | AMS 5513 |
|---|---|
| Material identification | S30400 |
| Product / supply condition | Solution heat treated; verify thickness, finish and ordered revision. |
SS304 Stainless Steel Chemical Composition
Manufacturer typical composition, mass %; selected elements only.
| Element / description | Mass % / reference value |
|---|---|
| C | 0.04 |
| Cr | 18.1 |
| Ni | 8.1 |
| Mo | — |
| Other | — |
SS304 Stainless Steel Mechanical Properties
Published reference values for the stated form and condition. Typical values are not specification acceptance limits.
| Product form / condition | Tensile (MPa) | 0.2% proof / yield (MPa) | Elongation (%) | Data basis |
|---|---|---|---|---|
| Hot-rolled plate, usually 10–20 mm, transverse; room temperature | 600 | 270 | 55 | Manufacturer typical values; elongation A5. |
Manufacturer reference data is shown for comparison. Use the selected AMS 5513 edition and certified material test results for acceptance. Confirm specimen direction, gauge length, thickness and heat treatment.
AMS 5513 Grade Reference
S30400
| Material specification | AMS 5513 |
|---|---|
| Source edition | AMS5513L |
| Product / supply condition | Solution heat treated; verify thickness, finish and ordered revision. |
| Comparison tables | View the AMS 5513 comparison tables |
| Material overview | View SS304 in Materials |
| Publisher reference | AMS 5513 publisher reference |
| Source reference | Parker Aerospace — controlled specification list (AMS forms and conditions) |
| Source reference | Outokumpu — Steel Grades, Properties and Global Standards, Tables 4, 5 and 7 |
Specify SS304 for your gasket
Share your gasket dimensions, service conditions and quantity for SS304 material options and pricing.