diff --git a/src/Mod/Material/CMakeLists.txt b/src/Mod/Material/CMakeLists.txt
index de6c7b13f7..6ecd5d83c8 100644
--- a/src/Mod/Material/CMakeLists.txt
+++ b/src/Mod/Material/CMakeLists.txt
@@ -32,10 +32,12 @@ SET (MaterialLib_Files
     StandardMaterial/AlZn4-5Mg1F35.FCMat
     StandardMaterial/CalculiX-Steel.FCMat
     StandardMaterial/Concrete-Generic.FCMat
+    StandardMaterial/Copper-Generic.FCMat
     StandardMaterial/Glass-E-GlassFibre.FCMat
     StandardMaterial/Glass-Generic.FCMat
     StandardMaterial/Glass-S2-GlassFibre.FCMat
     StandardMaterial/Graphite.FCMat
+    StandardMaterial/Invar-Generic.FCMat
     StandardMaterial/PA6-Generic.FCMat
     StandardMaterial/PET-Generic.FCMat
     StandardMaterial/PLA-Generic.FCMat
diff --git a/src/Mod/Material/StandardMaterial/Aluminum-Generic.FCMat b/src/Mod/Material/StandardMaterial/Aluminum-Generic.FCMat
index 8fd5b29a44..bc2953e950 100644
--- a/src/Mod/Material/StandardMaterial/Aluminum-Generic.FCMat
+++ b/src/Mod/Material/StandardMaterial/Aluminum-Generic.FCMat
@@ -12,6 +12,7 @@ KindOfMaterial = Aluminium
 [Mechanical]
 Density = 2700 kg/m^3
 PoissonRatio = 0.35
+ShearModulus = 25.0 GPa
 UltimateTensileStrength = 310 MPa
 YoungsModulus = 70000 MPa
 
@@ -19,3 +20,6 @@ YoungsModulus = 70000 MPa
 SpecificHeat = 897.0 J/kg/K
 ThermalConductivity = 237.0 W/m/K
 ThermalExpansionCoefficient = 23.1 µm/m/K
+
+[Electrical]
+ElectricalConductivity = 370370.4 S/m
diff --git a/src/Mod/Material/StandardMaterial/Copper-Generic.FCMat b/src/Mod/Material/StandardMaterial/Copper-Generic.FCMat
new file mode 100644
index 0000000000..3ad69c6c3c
--- /dev/null
+++ b/src/Mod/Material/StandardMaterial/Copper-Generic.FCMat
@@ -0,0 +1,26 @@
+; Copper Generic
+; Uwe Stöhr
+; information about the content of such cards can be found on the wiki:
+; https://www.freecadweb.org/wiki/Material
+; file created by FreeCAD 0.21.30044 (Git)
+
+[General]
+Name = Copper Generic
+Father = Metal
+KindOfMaterial = Copper
+
+[Mechanical]
+Density = 8960 kg/m^3
+PoissonRatio = 0.343
+ShearModulus = 46.0 GPa
+UltimateTensileStrength = 210 MPa
+YieldStrength = 33.3 MPa
+YoungsModulus = 119 GPa
+
+[Thermal]
+SpecificHeat = 385.0 J/kg/K
+ThermalConductivity = 398.0 W/m/K
+ThermalExpansionCoefficient = 16.5 µm/m/K
+
+[Electrical]
+ElectricalConductivity = 588235.3 S/m
diff --git a/src/Mod/Material/StandardMaterial/Invar-Generic.FCMat b/src/Mod/Material/StandardMaterial/Invar-Generic.FCMat
new file mode 100644
index 0000000000..b16ca7eeef
--- /dev/null
+++ b/src/Mod/Material/StandardMaterial/Invar-Generic.FCMat
@@ -0,0 +1,25 @@
+; Invar Generic
+; Uwe Stöhr
+; information about the content of such cards can be found on the wiki:
+; https://www.freecadweb.org/wiki/Material
+; file created by FreeCAD 0.21.30044 (Git)
+
+[General]
+Name = Invar Generic
+Father = Metal
+KindOfMaterial = Nickel Iron Alloy
+
+[Mechanical]
+Density = 8150 kg/m^3
+PoissonRatio = 0.29
+ShearModulus = 56.0 GPa
+UltimateTensileStrength = 600 MPa
+YoungsModulus = 140.0 GPa
+
+[Thermal]
+SpecificHeat = 515.0 J/kg/K
+ThermalConductivity = 13.5 W/m/K
+ThermalExpansionCoefficient = 1.25 µm/m/K
+
+[Electrical]
+ElectricalConductivity = 1250000 S/m