Stainless Steel - Grade 308
Products Description Chemical Composition Physical Properties Mechanical Properties In addition to its corrosion resistance, Grade 308 stainless steel also has good heat resistance. It can withstand high temperatures without losing its structural integrity or mechanical properties. This makes it...
Description
Products Description
Chemical Composition
| Element | Content (%) |
|---|---|
| Iron, Fe | 66 |
| Chromium, Cr | 20 |
| Nickel, Ni | 11 |
| Manganese, Mn | 2.0 |
| Silicon, Si | 1.0 |
| Carbon, C | 0.080 |
| Phosphorous, P | 0.045 |
| Sulfur, S | 0.030 |
Physical Properties
| Properties | Metric | Imperial |
|---|---|---|
| Density | 8 g/cm3 | 0.289 lb/in³ |
Mechanical Properties
| Properties | Metric | Imperial |
|---|---|---|
| Tensile strength | 585 MPa | 84800 psi |
| Yield strength (@ strain 0.200%) | 240 MPa | 34800 psi |
| Izod impact | 135 - 165 J | 99.6 - 122 ft-lb |
| Charpy impact | 135 J | 99.6 ft-lb |
| Elastic modulus | 193 GPa | 27993 ksi |
| Poisson's ratio | 0.27-0.30 | 0.27-0.30 |
| Elongation at break (in 50 mm) | 50% | 50% |
| Hardness, Brinell | 139 | 139 |
| Hardness, Knoop (converted from Rockwell B hardness) | 155 | 155 |
| Hardness, Rockwell B (converted from Rockwell B hardness) | 80 | 80 |
| Hardness, Vickers (converted from Rockwell B hardness) | 153 | 153 |
In addition to its corrosion resistance, Grade 308 stainless steel also has good heat resistance. It can withstand high temperatures without losing its structural integrity or mechanical properties. This makes it suitable for use in applications that involve heating or exposure to elevated temperatures.
The weldability of Grade 308 stainless steel is another advantage. It can be easily welded using various welding methods, allowing for seamless integration into different structures and assemblies.
Furthermore, this grade of stainless steel has a pleasing appearance. Its smooth surface and shiny finish make it aesthetically appealing, making it suitable for applications where appearance is important.
Overall, Stainless Steel - Grade 308 (UNS S30800) is a versatile and reliable material. Its combination of strength, corrosion resistance, heat resistance, weldability, and aesthetic appeal makes it a popular choice for many industries. Whether for structural components, piping systems, or equipment fabrication, Grade 308 stainless steel offers superior performance and durability.
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