Stainless Steel - Grade 308L / 1.4306
Description
Stainless Steel Grade 308L/1.4306 is a low carbon version of 308 stainless steel, primarily used for welding applications. It is known for its excellent corrosion resistance, particularly against intergranular corrosion, making it suitable for various environments, including those with moderate corrosive conditions.
Chemical Composition
The chemical composition of Grade 308L is as follows:
| Element | Content (%) |
|---|---|
| Carbon (C) | 0.03 max |
| Manganese (Mn) | 1.0 - 2.5 |
| Silicon (Si) | 0.30 - 0.65 |
| Chromium (Cr) | 19.5 - 22.0 |
| Nickel (Ni) | 9.0 - 11.0 |
| Sulfur (S) | 0.03 max |
| Phosphorus (P) | 0.03 max |
| Molybdenum (Mo) | 0.75 max |
| Copper (Cu) | 0.75 max |
Mechanical Properties
The mechanical properties of Grade 308L/1.4306 are as follows:
| Property | Value |
|---|---|
| Ultimate Tensile Strength | 84,100 psi (580 MPa) |
| Yield Strength (0.2% Offset) | 58,000 psi (400 MPa) |
| Elongation | 40 - 42% |
Thermal & Physical Properties
Other Designations
Fabrication and Heat Treatment
Grade 308L/1.4306 can be fabricated using standard techniques such as welding, machining, and forming. It does not require heat treatment to harden, as it is non-hardenable by heat treatment. However, post-weld heat treatment may be necessary in some applications to relieve stress.
Applications
Common applications of Grade 308L include:
Supplied Forms
Grade 308L is available in various forms, including:
Features
DIN Number
The DIN designation for Grade 308L is DIN 1.4306.
This datasheet provides a comprehensive overview of Stainless Steel Grade 308L, highlighting its properties, applications, and specifications essential for material selection and engineering design.