Steel Fundamentals

Steel Fundamentals examines the various steel properties, the chemical composition of steel, the four different types of strengthening mechanisms, along with the different steel phases and microstructures, as well as the different steel grades and classifications of both American and Europeans standards. Presented in THORS’ visual and interactive format, this course is relevant for learners who are new to the industry, as well as experienced learners that require a deeper knowledge of steel properties, microstructure, and grades.


Learning Objectives

  • Understand the different types of steel and various steel properties.
  • Demonstrate an understanding of the chemical composition, microstructure, and phases of steel.
  • Display an understanding of the various strengthening mechanisms of steel.
  • Identify the different types of steels and the steel grades for both European and American standards.
Course Length: 2.5 HRS

Table of Contents

Steel Basics

  • Types of Steel
  • Forms of Steel
  • Mechanical Properties of Steel
    • Yield Strength
    • Ultimate Tensile Strength
    • Elongation
    • Hardness
    • Toughness
    • Hardenability
    • Machinability
    • Weldability
    • Corrosion Resistance
    • Creep Resistance
    • Fatigue Resistance

Chemical Composition of Steel

  • Alloying Elements in Steel
  • Mircostructure
    • Crystal Structures: Body-centered Cubic Lattice (BCC)
    • Crystal Structures: Face-centered Cubic Lattice (FCC)
    • Crystal Structures: Body-centered Tetragonal Lattice (BCT)
    • Grain Size
    • Crystal Imperfections: Point Defects
    • Crystal Imperfections: Linear Defects
    • Crystal Imperfections: Planar Defects
    • Crystal Imperfections: Bulk Defects
  • Strengthening Mechanisms
    • Solid Solution Strengthening
    • Strain Hardening
    • Grain Refinement
    • Precipitation Hardening
  • Ductile and Brittle Steel
  • Phases in Steel
    • Iron/Carbon Phase Diagram
    • Cooling Rate

Steel Grades

  • Steel Grading Systems
  • Steel Classification
    • Carbon Steels: European Standards
    • Carbon Steels: American Standards
    • Carbon Steels Chemistry and Properties: Ultra-Low Carbon Steels
    • Carbon Steels Chemistry and Properties: Low Carbon Steels
    • Carbon Steels Chemistry and Properties: Medium Carbon Steels
    • Carbon Steels Chemistry and Properties: High Carbon Steels
    • Free-Machining Steels: European Standards
    • Free-Machining Steels: American Standards
    • Free-Machining Steels: Chemistry and Properties
    • Low-Alloy Steels: European Standards
    • Low-Alloy Steels: American Standards
    • Low-Alloy Steels: Chemistry and Properties
    • Tool Steels: European Standards
    • Tool Steels: American Standards
    • Tool Steels: Chemistry and Properties
    • Stainless Steels: European Standards
    • Stainless Steels: American Standards
    • Stainless Steels: Chemistry and Properties
    • Electrical Steels: European Standards
    • Electrical Steels: American Standards
    • Electrical Steels: Chemistry and Properties

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