> For the complete documentation index, see [llms.txt](https://docs.openbrim.org/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.openbrim.org/developers/paramml-developer-guide/core-objects/finite-elements-objects/material-object.md).
# Material Object
Material object holds material property information for the structure.\
Examples of these properties are modulus of elasticity, Poisson's ratio, density, steel yield strength, 28-day strength of concrete.
**Example Syntax:**
```
...
...
...
```
**Example:**
```xml
```
 To view this example in the library, see ()
**Example:**
To use material values saved in the OpenBrIM library , follow these steps:
* Open a saved project from the OpenBrIM App. - Click on the Data , then navigate to Materials under FEA in the combobox. - In the 3rd line, click on the 3 dots, then select the "import material" button in the combobox. - Choose the desired material components. - Import the information. - Navigte to the Source Code.   The code rows in the red frame in the figure are copied from the Source Code and transferred to the library object for processing
```xml
```
To view this example in the library, see ()
**Parameters of Material Object:**
| **Label** | **Mandatory** | **Name and Type Attributes** | **Default Description and Value Attributes** | **Other Attributes** |
| ------------------------ | ------------- | ---------------------------- | ------------------------------------------------------------------------------------------------------------------- | --------------------------------------- |
| Modulus of Elasticity | No | N="E" | D="Modulus of Elasticity" V="0" | Role="Input" UT="Stress" UC="Material" |
| Poisson Ratio | No | N="Nu" | D="Poisson's Ratio" V="0.2" | Role="Input" |
| Density | No | N="d" | D="Density" V="0.2" | Role="Input" UT="Density" UC="Material" |
| Alpha | No | N="a" | D="Coefficient of Thermal Expansion" V="0" | Role="Input" |
| Steel Yield Stress | Yes | N="Fy" | D="Steel Yield Stress" V="0" | Role="Input" UT="Stress" UC="Material" |
| Steel Ultimate Stress | Yes | N="Fu" | D="Steel Ultimate Stress" V="0" | Role="Input" UT="Stress" UC="Material" |
| Concrete 28-day Strength | Yes | N="Fc28" | D="Concrete 28-day Strength" V="0" | Role="Input" UT="Stress" UC="Material" |
| Type | No | N="Type" T="Text" | D="The Material Type \[Steel=steel/Concrete=concrete/Reinforcement Bar=rebar/Prestressing Tendon=prestress]." V="0" | Role="Input" |
---
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