Index: Ringtoets/Common/src/Ringtoets.Common.Forms/Helpers/FailureMechanismSectionResultRowHelper.cs
===================================================================
diff -u -re328ec3e8da13dbceb282e09e103871f543bbe3f -redf17facd465b0770db4e13b7e2e6bfcb46d9418
--- Ringtoets/Common/src/Ringtoets.Common.Forms/Helpers/FailureMechanismSectionResultRowHelper.cs	(.../FailureMechanismSectionResultRowHelper.cs)	(revision e328ec3e8da13dbceb282e09e103871f543bbe3f)
+++ Ringtoets/Common/src/Ringtoets.Common.Forms/Helpers/FailureMechanismSectionResultRowHelper.cs	(.../FailureMechanismSectionResultRowHelper.cs)	(revision edf17facd465b0770db4e13b7e2e6bfcb46d9418)
@@ -24,7 +24,9 @@
 using System.Drawing;
 using System.Windows.Forms;
 using Core.Common.Controls.DataGrid;
+using Core.Common.Util;
 using Ringtoets.AssemblyTool.Data;
+using Ringtoets.AssemblyTool.Forms;
 using Ringtoets.Common.Data.Calculation;
 using Ringtoets.Common.Forms.Properties;
 using Ringtoets.Common.Forms.Views;
@@ -269,6 +271,30 @@
         }
 
         /// <summary>
+        /// Gets the display name of the given <paramref name="assemblyCategoryGroup"/>.
+        /// </summary>
+        /// <param name="assemblyCategoryGroup">The assembly category group to get the display name for.</param>
+        /// <returns>The display name.</returns>
+        /// <exception cref="InvalidEnumArgumentException">Thrown when <see cref="FailureMechanismSectionAssemblyCategoryGroup"/>
+        /// is an invalid value.</exception>
+        /// <exception cref="NotSupportedException">Thrown when <see cref="FailureMechanismSectionAssemblyCategoryGroup"/>
+        /// is a valid value, but unsupported.</exception>
+        public static string GetCategoryGroupDisplayname(FailureMechanismSectionAssemblyCategoryGroup assemblyCategoryGroup)
+        {
+            if (!Enum.IsDefined(typeof(FailureMechanismSectionAssemblyCategoryGroup), assemblyCategoryGroup))
+            {
+                throw new InvalidEnumArgumentException(nameof(assemblyCategoryGroup),
+                                                       (int) assemblyCategoryGroup,
+                                                       typeof(FailureMechanismSectionAssemblyCategoryGroup));
+            }
+
+            DisplayFailureMechanismSectionAssemblyCategoryGroup displayCategoryGroup = DisplayFailureMechanismSectionAssemblyCategoryGroupConverter.Convert(
+                assemblyCategoryGroup);
+
+            return new EnumDisplayWrapper<DisplayFailureMechanismSectionAssemblyCategoryGroup>(displayCategoryGroup).DisplayName;
+        }
+
+        /// <summary>
         /// Gets the color for a category group.
         /// </summary>
         /// <param name="assemblyCategoryGroup">The category group to get the color for.</param>
Index: Ringtoets/Common/test/Ringtoets.Common.Forms.Test/Helpers/FailureMechanismSectionResultRowHelperTest.cs
===================================================================
diff -u -re328ec3e8da13dbceb282e09e103871f543bbe3f -redf17facd465b0770db4e13b7e2e6bfcb46d9418
--- Ringtoets/Common/test/Ringtoets.Common.Forms.Test/Helpers/FailureMechanismSectionResultRowHelperTest.cs	(.../FailureMechanismSectionResultRowHelperTest.cs)	(revision e328ec3e8da13dbceb282e09e103871f543bbe3f)
+++ Ringtoets/Common/test/Ringtoets.Common.Forms.Test/Helpers/FailureMechanismSectionResultRowHelperTest.cs	(.../FailureMechanismSectionResultRowHelperTest.cs)	(revision edf17facd465b0770db4e13b7e2e6bfcb46d9418)
@@ -374,6 +374,37 @@
             Assert.AreEqual(CellStyle.Disabled, columnStateDefinition.Style);
         }
 
+        [Test]
+        public void GetCategoryGroupDisplayname_InvalidValue_ThrowsInvalidEnumArgumentException()
+        {
+            // Call
+            TestDelegate test = () => FailureMechanismSectionResultRowHelper.GetCategoryGroupDisplayname((FailureMechanismSectionAssemblyCategoryGroup) 99);
+
+            // Assert
+            const string expectedMessage = "The value of argument 'assemblyCategoryGroup' (99) is invalid for Enum type 'FailureMechanismSectionAssemblyCategoryGroup'.";
+            TestHelper.AssertThrowsArgumentExceptionAndTestMessage<InvalidEnumArgumentException>(test, expectedMessage);
+        }
+
+        [Test]
+        [TestCase(FailureMechanismSectionAssemblyCategoryGroup.None, "")]
+        [TestCase(FailureMechanismSectionAssemblyCategoryGroup.NotApplicable, "-")]
+        [TestCase(FailureMechanismSectionAssemblyCategoryGroup.Iv, "Iv")]
+        [TestCase(FailureMechanismSectionAssemblyCategoryGroup.IIv, "IIv")]
+        [TestCase(FailureMechanismSectionAssemblyCategoryGroup.IIIv, "IIIv")]
+        [TestCase(FailureMechanismSectionAssemblyCategoryGroup.IVv, "IVv")]
+        [TestCase(FailureMechanismSectionAssemblyCategoryGroup.Vv, "Vv")]
+        [TestCase(FailureMechanismSectionAssemblyCategoryGroup.VIv, "VIv")]
+        [TestCase(FailureMechanismSectionAssemblyCategoryGroup.VIIv, "VIIv")]
+        public void GetCategoryGroupDisplayname_ValidValue_ReturnsDisplayName(FailureMechanismSectionAssemblyCategoryGroup categoryGroup,
+                                                                              string expectedDisplayName)
+        {
+            // Call
+            string displayName = FailureMechanismSectionResultRowHelper.GetCategoryGroupDisplayname(categoryGroup);
+
+            // Assert
+            Assert.AreEqual(expectedDisplayName, displayName);
+        }
+
         private class TestDataGridViewCell : DataGridViewCell {}
 
         #region Test cases