diff --git a/src/data/C.json b/src/data/C.json
new file mode 100755
index 0000000..90c4190
--- /dev/null
+++ b/src/data/C.json
@@ -0,0 +1,19 @@
+{
+  "Name": "Diamond",
+  "Name_de": "Diamant",
+  "Formula": "C",
+  "Mechanical Properties": {
+    "T": ["20-25", "°C"],
+    "rho": ["3515±15", "kg/m³"],
+    "E": [800, "GPa"],
+    "R_m'": [442, "MPa"],
+    "Hardness": {
+      "HM": 10
+    }
+  },
+  "Thermodynamic Properties": {
+    "Crystal": {
+      "lambda": ["1610±710", "W/m/K"]
+    }
+  }
+}
diff --git a/src/data/Fe99.85.json b/src/data/Fe99.85.json
new file mode 100755
index 0000000..880a5ae
--- /dev/null
+++ b/src/data/Fe99.85.json
@@ -0,0 +1,16 @@
+{
+  "Name": "Armco",
+  "Formula": "Fe99.85",
+  "Mechanical Properties": {
+    "T": ["20-25", "°C"],
+    "rho": [7860, "kg/m³"],
+    "Annotation": "Material way too soft for mechanical processing"
+  },
+  "Source": [
+    {
+      "Type": "Web",
+      "Author": "AK Steel International",
+      "URL": "http://www.aksteel.de/1-produkte/0-reineisen/0-eigenschaften.html"
+    }
+  ]
+}
diff --git a/src/data/FeC0.05Cr18Ni10.json b/src/data/FeC0.05Cr18Ni10.json
new file mode 100755
index 0000000..d2eaa48
--- /dev/null
+++ b/src/data/FeC0.05Cr18Ni10.json
@@ -0,0 +1,21 @@
+{
+  "Name": "FeC0.05Cr18Ni10",
+  "Name_de": "V2A",
+  "Formula": "FeC0.05Cr18Ni10",
+  "Standard": {
+    "ISO": "X5CrNi18-10",
+    "WERKSTOFFNUMMER": "1.4301",
+    "SAE": "304",
+    "Type": "Austenitic stainless steel grades"
+  },
+  "Mechanical Properties": {
+    "T": ["20-25", "°C"],
+    "Annotation": "Most common type of alloy of a stainless steel (33%). Relatively soft, nickel-containing, non-ferromagnetic austenitic steel. Products: pots, cutlery (except knife blades), sink. See also 1.4307."
+  },
+  "Source": [
+    {
+      "Type": "Web",
+      "URL": "https://de.wikipedia.org/wiki/Rostfreier_Stahl#Werkstoffnummer_1.4301_%E2%80%93_X5CrNi18-10"
+    }
+  ]
+}
diff --git a/src/data/FeNi36.json b/src/data/FeNi36.json
new file mode 100755
index 0000000..ecb85b8
--- /dev/null
+++ b/src/data/FeNi36.json
@@ -0,0 +1,23 @@
+{
+  "Name": "Invar",
+  "Formula": "FeNi36",
+  "Standard": {
+    "ISO": "FeNi36",
+    "WERKSTOFFNUMMER": "1.3912"
+  },
+  "Mechanical Properties": {
+    "T": ["20-25", "°C"],
+    "rho": [8000, "kg/m³"],
+    "E": ["145±5", "GPa"],
+    "R_m": ["520±70", "MPa"],
+    "Hardness": {
+      "HB": [160, "MPa"]
+    }
+  },
+  "Thermodynamic Properties": {
+    "Crystal": {
+      "alpha": ["1.85±0.15", "µm/m/K"],
+      "lambda": [13, "W/m/K"]
+    }
+  }
+}
diff --git a/src/data/INFO.json b/src/data/INFO.json
index c4a5c7e..b87b260 100644
--- a/src/data/INFO.json
+++ b/src/data/INFO.json
@@ -9,7 +9,7 @@
     "DIN1725": "DIN 1725 number",
     "EN-AW": "DIN EN 573-3 Standard Aluminium and aluminium alloys",
     "WERKSTOFFNUMMER": "DIN Werkstoffnummer",
-    "SAE": "AISI/SAE steel grade",
+    "SAE": "AISI/SAE steel grade. The 'L' in SAE grades means that the carbon content of the alloy is below 0.03%.",
     "Type": [
       "Aluminium:",
       "- Pure aluminium",
diff --git a/src/data/Ti.json b/src/data/Ti.json
new file mode 100755
index 0000000..05768e5
--- /dev/null
+++ b/src/data/Ti.json
@@ -0,0 +1,23 @@
+{
+  "Name": "Titanium",
+  "Name_de": "Titan",
+  "Formula": "Ti",
+  "Mechanical Properties": {
+    "T": ["20-25", "°C"],
+    "rho": [4506, "kg/m³"],
+    "E": [116, "GPa"],
+    "G": [44, "GPa"],
+    "K": [110, "GPa"],
+    "nu": 0.32,
+    "Hardness": {
+      "HM": 6,
+      "HB": [716, "MPa"],
+      "HV": [970, "MPa"]
+    }
+  },
+  "Thermodynamic Properties": {
+    "Crystal": {
+      "lambda": [21.9, "W/m/K"]
+    }
+  }
+}
diff --git a/src/data/example.json b/src/data/example.json
index 56805c3..7295952 100644
--- a/src/data/example.json
+++ b/src/data/example.json
@@ -8,7 +8,7 @@
     "DIN1725": "AlMg4.5Mn",
     "EN-AW": "5083",
     "WERKSTOFFNUMMER": "3.3547",
-    "SAE": "AISI/SAE steel grade",
+    "SAE": "304",
     "Type": "non heat-treatable"
   },
   "Mol. weight": 26.982,
@@ -75,6 +75,12 @@
       "Title": "Handbuch Knetwerkstoffe",
       "Year": 2010,
       "URL": "http://www.eloxal-muenchen.de/downloads/Handbuch_Knetwerkstoffe.pdf"
+    },
+    {
+      "Type": "Web",
+      "Author": "Anemo Engineering bvba",
+      "Title": "What is V2A and V4A stainless steel?",
+      "URL": "https://anemo.eu/what-v2a-and-v4a-stainless-steel"
     }
   ]
 }
diff --git a/src/materials.py b/src/materials.py
index ea2a65b..46cf42d 100755
--- a/src/materials.py
+++ b/src/materials.py
@@ -219,7 +219,7 @@ def main():
       file, _ = os.path.splitext(os.path.basename(filename))
       print(file)
       data = read_file(filename)
-      data_dict = search_keys(data, ['Name', 'EN-AW', 'WERKSTOFFNUMMER'])
+      data_dict = search_keys(data, ['Name', 'ISO', 'EN-AW', 'WERKSTOFFNUMMER', 'SAE'])
       print_dict(data_dict, False, 2)
 
   elif args.command == 'get':