diff --git a/DataAccess/DTOs/Converters/ConcreteLibMaterialToDTOConvertStrategy.cs b/DataAccess/DTOs/Converters/ConcreteLibMaterialToDTOConvertStrategy.cs
index 4445907..2f66a14 100644
--- a/DataAccess/DTOs/Converters/ConcreteLibMaterialToDTOConvertStrategy.cs
+++ b/DataAccess/DTOs/Converters/ConcreteLibMaterialToDTOConvertStrategy.cs
@@ -1,7 +1,4 @@
 using StructureHelperCommon.Infrastructures.Interfaces;
-using StructureHelperCommon.Models;
-using StructureHelperCommon.Models.Loggers;
-using StructureHelperLogics.Models.CrossSections;
 using StructureHelperLogics.Models.Materials;
 using System;
 using System.Collections.Generic;
@@ -9,43 +6,19 @@ using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 
-namespace DataAccess.DTOs.Converters
+namespace DataAccess.DTOs
 {
-    public class ConcreteLibMaterialToDTOConvertStrategy : IConvertStrategy<ConcreteLibMaterialDTO, IConcreteLibMaterial>
+    public class ConcreteLibMaterialToDTOConvertStrategy : LibMaterialToDTOConvertStrategy<ConcreteLibMaterialDTO, IConcreteLibMaterial>
     {
-        private IUpdateStrategy<IConcreteLibMaterial> updateStrategy = new ConcreteLibUpdateStrategy();
-        private IUpdateStrategy<ILibMaterial> libMaterialUpdateStrategy = new LibMaterialDTOUpdateStrategy();
-        public Dictionary<(Guid id, Type type), ISaveable> ReferenceDictionary { get; set; }
-        public IShiftTraceLogger TraceLogger { get; set; }
+        public override IUpdateStrategy<IConcreteLibMaterial> UpdateStrategy { get; } = new ConcreteLibUpdateStrategy();
 
-        public ConcreteLibMaterialDTO Convert(IConcreteLibMaterial source)
+        public override ConcreteLibMaterialDTO GetMaterialDTO(IConcreteLibMaterial source)
         {
-            Check();
             ConcreteLibMaterialDTO newItem = new()
             {
                 Id = source.Id
             };
-            try
-            {
-                updateStrategy.Update(newItem, source);
-                libMaterialUpdateStrategy.Update(newItem, source);
-            }
-            catch (Exception ex)
-            {
-                TraceLogger?.AddMessage(LoggerStrings.LogicType(this), TraceLogStatuses.Debug);
-                TraceLogger?.AddMessage(ex.Message, TraceLogStatuses.Error);
-                throw;
-            }
             return newItem;
         }
-
-        private void Check()
-        {
-            var checkLogic = new CheckConvertLogic<ConcreteLibMaterialDTO, IConcreteLibMaterial>();
-            checkLogic.ConvertStrategy = this;
-            checkLogic.TraceLogger = TraceLogger;
-            checkLogic.Check();
-        }
-
     }
 }
diff --git a/DataAccess/DTOs/Converters/HelperMaterialToDTOConvertStrategy.cs b/DataAccess/DTOs/Converters/HelperMaterialToDTOConvertStrategy.cs
index 74efe81..270392e 100644
--- a/DataAccess/DTOs/Converters/HelperMaterialToDTOConvertStrategy.cs
+++ b/DataAccess/DTOs/Converters/HelperMaterialToDTOConvertStrategy.cs
@@ -9,21 +9,26 @@ using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 
-namespace DataAccess.DTOs.Converters
+namespace DataAccess.DTOs
 {
     internal class HelperMaterialToDTOConvertStrategy : IConvertStrategy<IHelperMaterial, IHelperMaterial>
     {
-        private IConvertStrategy<ConcreteLibMaterialDTO, IConcreteLibMaterial> concreteConvertStrategy;
+        private LibMaterialToDTOConvertStrategy<ConcreteLibMaterialDTO, IConcreteLibMaterial> concreteConvertStrategy;
+        private LibMaterialToDTOConvertStrategy<ReinforcementLibMaterialDTO, IReinforcementLibMaterial> reinforcementConvertStrategy;
         public Dictionary<(Guid id, Type type), ISaveable> ReferenceDictionary { get; set; }
         public IShiftTraceLogger TraceLogger { get; set; }
 
         public HelperMaterialToDTOConvertStrategy(
-            IConvertStrategy<ConcreteLibMaterialDTO, IConcreteLibMaterial> concreteConvertStrategy)
+            LibMaterialToDTOConvertStrategy<ConcreteLibMaterialDTO, IConcreteLibMaterial> concreteConvertStrategy,
+            LibMaterialToDTOConvertStrategy<ReinforcementLibMaterialDTO, IReinforcementLibMaterial> reinforcementConvertStrategy)
         {
             this.concreteConvertStrategy = concreteConvertStrategy;
+            this.reinforcementConvertStrategy = reinforcementConvertStrategy;
         }
 
-        public HelperMaterialToDTOConvertStrategy() : this (new ConcreteLibMaterialToDTOConvertStrategy())
+        public HelperMaterialToDTOConvertStrategy() : this (
+            new ConcreteLibMaterialToDTOConvertStrategy(),
+            new ReinforcementLibMaterialToDTOConvertStrategy())
         {
             
         }
@@ -39,7 +44,9 @@ namespace DataAccess.DTOs.Converters
             }
             if (source is IReinforcementLibMaterial reinforcementMaterial)
             {
-                return source;
+                reinforcementConvertStrategy.ReferenceDictionary = ReferenceDictionary;
+                reinforcementConvertStrategy.TraceLogger = TraceLogger;
+                return reinforcementConvertStrategy.Convert(reinforcementMaterial);
             }
             else
             {
diff --git a/DataAccess/DTOs/Converters/LibMaterialDTOUpdateStrategy.cs b/DataAccess/DTOs/Converters/LibMaterialDTOUpdateStrategy.cs
index 9962149..5270ac7 100644
--- a/DataAccess/DTOs/Converters/LibMaterialDTOUpdateStrategy.cs
+++ b/DataAccess/DTOs/Converters/LibMaterialDTOUpdateStrategy.cs
@@ -8,7 +8,7 @@ using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 
-namespace DataAccess.DTOs.Converters
+namespace DataAccess.DTOs
 {
     public class LibMaterialDTOUpdateStrategy : IUpdateStrategy<ILibMaterial>
     {
@@ -28,6 +28,7 @@ namespace DataAccess.DTOs.Converters
             
         }
 
+        /// <inheritdoc/>
         public void Update(ILibMaterial targetObject, ILibMaterial sourceObject)
         {
             CheckObject.IsNull(sourceObject);
@@ -38,18 +39,37 @@ namespace DataAccess.DTOs.Converters
                 targetObject.SafetyFactors.Clear();
                 foreach (var safetyFactor in sourceObject.SafetyFactors)
                 {
-                    MaterialSafetyFactorDTO newSafetyFactor = new() { Id = safetyFactor.Id};
-                    safetyFactorUpdateStrategy.Update(newSafetyFactor, safetyFactor);
-                    newSafetyFactor.PartialFactors.Clear();
-                    foreach (var partialFactor in safetyFactor.PartialFactors)
-                    {
-                        MaterialPartialFactorDTO newPartialFactor = new() { Id = partialFactor.Id };
-                        partialFactorUpdateStrategy.Update(newPartialFactor, partialFactor);
-                        newSafetyFactor.PartialFactors.Add(newPartialFactor);
-                    }
+                    MaterialSafetyFactorDTO newSafetyFactor = GetNewSafetyFactorByOld(safetyFactor);
                     targetObject.SafetyFactors.Add(newSafetyFactor);
                 }
             }
         }
+
+        private MaterialSafetyFactorDTO GetNewSafetyFactorByOld(IMaterialSafetyFactor safetyFactor)
+        {
+            MaterialSafetyFactorDTO newSafetyFactor = new()
+            {
+                Id = safetyFactor.Id
+            };
+            safetyFactorUpdateStrategy.Update(newSafetyFactor, safetyFactor);
+            newSafetyFactor.PartialFactors.Clear();
+            foreach (var partialFactor in safetyFactor.PartialFactors)
+            {
+                MaterialPartialFactorDTO newPartialFactor = GetNewPartialFactorByOld(partialFactor);
+                newSafetyFactor.PartialFactors.Add(newPartialFactor);
+            }
+
+            return newSafetyFactor;
+        }
+
+        private MaterialPartialFactorDTO GetNewPartialFactorByOld(IMaterialPartialFactor partialFactor)
+        {
+            MaterialPartialFactorDTO newPartialFactor = new()
+            {
+                Id = partialFactor.Id
+            };
+            partialFactorUpdateStrategy.Update(newPartialFactor, partialFactor);
+            return newPartialFactor;
+        }
     }
 }
diff --git a/DataAccess/DTOs/Converters/LibMaterialToDTOConvertStrategy.cs b/DataAccess/DTOs/Converters/LibMaterialToDTOConvertStrategy.cs
new file mode 100644
index 0000000..ff160d3
--- /dev/null
+++ b/DataAccess/DTOs/Converters/LibMaterialToDTOConvertStrategy.cs
@@ -0,0 +1,53 @@
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models;
+using StructureHelperCommon.Models.Loggers;
+using StructureHelperLogics.Models.CrossSections;
+using StructureHelperLogics.Models.Materials;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DataAccess.DTOs
+{
+    public abstract class LibMaterialToDTOConvertStrategy<T,V> : IConvertStrategy<T, V>
+        where T : V
+        where V : ILibMaterial
+    {
+        public abstract IUpdateStrategy<V> UpdateStrategy { get; }
+        public abstract T GetMaterialDTO(V source);
+        private IUpdateStrategy<ILibMaterial> libMaterialUpdateStrategy = new LibMaterialDTOUpdateStrategy();
+        public Dictionary<(Guid id, Type type), ISaveable> ReferenceDictionary { get; set; }
+        public IShiftTraceLogger TraceLogger { get; set; }
+
+        public T Convert(V source)
+        {
+            Check();
+            T newItem = GetMaterialDTO(source); 
+            try
+            {
+                UpdateStrategy.Update(newItem, source);
+                libMaterialUpdateStrategy.Update(newItem, source);
+            }
+            catch (Exception ex)
+            {
+                TraceLogger?.AddMessage(LoggerStrings.LogicType(this), TraceLogStatuses.Debug);
+                TraceLogger?.AddMessage(ex.Message, TraceLogStatuses.Error);
+                throw;
+            }
+            return newItem;
+        }
+
+
+        private void Check()
+        {
+            var checkLogic = new CheckConvertLogic<T, V>();
+            checkLogic.ConvertStrategy = this;
+            checkLogic.TraceLogger = TraceLogger;
+            checkLogic.Check();
+        }
+
+    }
+}
diff --git a/DataAccess/DTOs/Converters/ReinforcementLibMaterialToDTOConvertStrategy.cs b/DataAccess/DTOs/Converters/ReinforcementLibMaterialToDTOConvertStrategy.cs
new file mode 100644
index 0000000..f92fcc3
--- /dev/null
+++ b/DataAccess/DTOs/Converters/ReinforcementLibMaterialToDTOConvertStrategy.cs
@@ -0,0 +1,24 @@
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperLogics.Models.Materials;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DataAccess.DTOs
+{
+    public class ReinforcementLibMaterialToDTOConvertStrategy : LibMaterialToDTOConvertStrategy<ReinforcementLibMaterialDTO, IReinforcementLibMaterial>
+    {
+        public override IUpdateStrategy<IReinforcementLibMaterial> UpdateStrategy { get; } = new ReinforcementLibUpdateStrategy();
+
+        public override ReinforcementLibMaterialDTO GetMaterialDTO(IReinforcementLibMaterial source)
+        {
+            ReinforcementLibMaterialDTO newItem = new()
+            {
+                Id = source.Id
+            };
+            return newItem;
+        }
+    }
+}
diff --git a/DataAccess/DTOs/ElasticMaterialDTO.cs b/DataAccess/DTOs/ElasticMaterialDTO.cs
new file mode 100644
index 0000000..3ad6e3a
--- /dev/null
+++ b/DataAccess/DTOs/ElasticMaterialDTO.cs
@@ -0,0 +1,43 @@
+using LoaderCalculator.Data.Materials;
+using Newtonsoft.Json;
+using StructureHelperCommon.Infrastructures.Enums;
+using StructureHelperCommon.Models.Materials.Libraries;
+using StructureHelperLogics.Models.Materials;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DataAccess.DTOs
+{
+    public class ElasticMaterialDTO : IElasticMaterial
+    {
+        [JsonProperty("Id")]
+        public Guid Id { get; set; }
+        [JsonProperty("Modulus")]
+        public double Modulus { get; set; }
+        [JsonProperty("CompressiveStrength")]
+        public double CompressiveStrength { get; set; }
+        [JsonProperty("TensileStrength")]
+        public double TensileStrength { get; set; }
+        [JsonProperty("SafetyFactors")]
+        public List<IMaterialSafetyFactor> SafetyFactors { get; } = new();
+
+
+        public object Clone()
+        {
+            throw new NotImplementedException();
+        }
+
+        public IMaterial GetCrackedLoaderMaterial(LimitStates limitState, CalcTerms calcTerm)
+        {
+            throw new NotImplementedException();
+        }
+
+        public IMaterial GetLoaderMaterial(LimitStates limitState, CalcTerms calcTerm)
+        {
+            throw new NotImplementedException();
+        }
+    }
+}
diff --git a/DataAccess/DTOs/FRMaterialDTO.cs b/DataAccess/DTOs/FRMaterialDTO.cs
new file mode 100644
index 0000000..47368b3
--- /dev/null
+++ b/DataAccess/DTOs/FRMaterialDTO.cs
@@ -0,0 +1,49 @@
+using LoaderCalculator.Data.Materials;
+using Newtonsoft.Json;
+using StructureHelperCommon.Infrastructures.Enums;
+using StructureHelperCommon.Models.Materials.Libraries;
+using StructureHelperLogics.Models.Materials;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DataAccess.DTOs
+{
+    public class FRMaterialDTO : IFRMaterial
+    {
+        [JsonProperty("Id")]
+        public Guid Id { get; set; }
+        [JsonProperty("ULSConcreteStrength")]
+        public double ULSConcreteStrength { get; set; }
+        [JsonProperty("SunThickness")]
+        public double SumThickness { get; set; }
+        [JsonIgnore]
+        public double GammaF2 { get; }
+        [JsonProperty("Modulus")]
+        public double Modulus { get; set; }
+        [JsonProperty("CompressiveStrength")]
+        public double CompressiveStrength { get; set; }
+        [JsonProperty("TensileStrength")]
+        public double TensileStrength { get; set; }
+        [JsonProperty("SafetyFactors")]
+        public List<IMaterialSafetyFactor> SafetyFactors { get; } = new();
+
+
+        public object Clone()
+        {
+            throw new NotImplementedException();
+        }
+
+        public IMaterial GetCrackedLoaderMaterial(LimitStates limitState, CalcTerms calcTerm)
+        {
+            throw new NotImplementedException();
+        }
+
+        public IMaterial GetLoaderMaterial(LimitStates limitState, CalcTerms calcTerm)
+        {
+            throw new NotImplementedException();
+        }
+    }
+}
diff --git a/DataAccess/DTOs/ReinforcementLibMaterialDTO.cs b/DataAccess/DTOs/ReinforcementLibMaterialDTO.cs
new file mode 100644
index 0000000..d6de36a
--- /dev/null
+++ b/DataAccess/DTOs/ReinforcementLibMaterialDTO.cs
@@ -0,0 +1,70 @@
+using LoaderCalculator.Data.Materials;
+using Newtonsoft.Json;
+using StructureHelperCommon.Infrastructures.Enums;
+using StructureHelperCommon.Infrastructures.Settings;
+using StructureHelperCommon.Models.Materials;
+using StructureHelperCommon.Models.Materials.Libraries;
+using StructureHelperLogics.Models.Materials;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DataAccess.DTOs
+{
+    public class ReinforcementLibMaterialDTO : IReinforcementLibMaterial
+    {
+        const MaterialTypes materialType = MaterialTypes.Reinforcement;
+        [JsonProperty("Id")]
+        public Guid Id { get; set; }
+        [JsonProperty("MaterialEntityId")]
+        public Guid MaterialEntityId
+        {
+            get => MaterialEntity.Id;
+            set
+            {
+                MaterialEntity = ProgramSetting.MaterialRepository.Repository.Single(x => x.Id == value);
+            }
+        }
+        [JsonIgnore]
+        public ILibMaterialEntity MaterialEntity { get; set; }
+        [JsonProperty("SafetyFactors")]
+        public List<IMaterialSafetyFactor> SafetyFactors { get; set; } = new();
+        [JsonProperty("MaterialLogicId")]
+        public Guid MaterialLogicId
+        {
+            get => MaterialLogic.Id;
+            set
+            {
+                MaterialLogic = MaterialLogics.Single(x => x.Id == value);
+            }
+        }
+        [JsonIgnore]
+        public IMaterialLogic MaterialLogic { get; set; }
+
+        [JsonIgnore]
+        public List<IMaterialLogic> MaterialLogics { get; } = ProgramSetting.MaterialLogics.Where(x => x.MaterialType == materialType).ToList();
+
+
+        public object Clone()
+        {
+            throw new NotImplementedException();
+        }
+
+        public IMaterial GetCrackedLoaderMaterial(LimitStates limitState, CalcTerms calcTerm)
+        {
+            throw new NotImplementedException();
+        }
+
+        public IMaterial GetLoaderMaterial(LimitStates limitState, CalcTerms calcTerm)
+        {
+            throw new NotImplementedException();
+        }
+
+        public (double Compressive, double Tensile) GetStrength(LimitStates limitState, CalcTerms calcTerm)
+        {
+            throw new NotImplementedException();
+        }
+    }
+}
diff --git a/DataAccess/DTOs/TypeBinderListFactory.cs b/DataAccess/DTOs/TypeBinderListFactory.cs
index 1c2c141..18f04fe 100644
--- a/DataAccess/DTOs/TypeBinderListFactory.cs
+++ b/DataAccess/DTOs/TypeBinderListFactory.cs
@@ -57,6 +57,7 @@ namespace DataAccess.DTOs
                 { (typeof(List<IPartialFactor>), "ListOfPartialFactor") },
                 { (typeof(List<IVisualAnalysis>), "ListOfIVisualAnalysis") },
                 { (typeof(ProjectDTO), "Project") },
+                { (typeof(ReinforcementLibMaterialDTO), "ReinforcementLibMaterial") },
                 { (typeof(MaterialPartialFactorDTO), "MaterialPartialFactor") },
                 { (typeof(VersionProcessorDTO), "VersionProcessor") },
                 { (typeof(VisualAnalysisDTO), "VisualAnalysis") },
diff --git a/StructureHelperLogics/Models/Materials/Logics/ReinforcementLibUpdateStrategy.cs b/StructureHelperLogics/Models/Materials/Logics/ReinforcementLibUpdateStrategy.cs
index 3b1934e..90dbd59 100644
--- a/StructureHelperLogics/Models/Materials/Logics/ReinforcementLibUpdateStrategy.cs
+++ b/StructureHelperLogics/Models/Materials/Logics/ReinforcementLibUpdateStrategy.cs
@@ -21,7 +21,8 @@ namespace StructureHelperLogics.Models.Materials
         }
         public void Update(IReinforcementLibMaterial targetObject, IReinforcementLibMaterial sourceObject)
         {
-            CheckObject.CompareTypes(targetObject, sourceObject);
+            CheckObject.IsNull(sourceObject);
+            CheckObject.IsNull(targetObject);
             if (ReferenceEquals(targetObject, sourceObject)) { return; }
             libUpdateStrategy.Update(targetObject, sourceObject);
         }