Stainless Steel Hardness Table

Have you ever wondered how the hardness of different metals affects their performance in engineering applications? In this blog post, we’ll explore the Vickers hardness standards for various materials, helping you understand their suitability for your projects. Get ready to enhance your knowledge and make informed decisions in your mechanical engineering endeavors!

Stainless Steel Hardness Table

Table Of Contents

Stainless steel grades exhibit varying levels of hardness, a critical property that influences their machinability, wear resistance, and overall performance in diverse applications. The following table provides a comprehensive overview of the typical hardness values for common stainless steel grades.

MaterialHardness Standard
HV (Vickers)
MaterialHardness Standard
HV (Vickers)
SUS301-CSP-1/2H310–370C2680-1/4H75–125
SUS301-CSP-3/4H370–430C2680-1/2H85–145
SUS301-CSP-H430–490C2680-H105–175
SUS301-CSP-EH>490C2680-EH>145
SUS304-CSP-1/2H250–310C5159-1/4H100–160
SUS304-CSP-3/4H310–370C5159-1/2H150-205
SUS304-CSP-H>370C5159-H180–230
C5159-EH200
SUS631-CSP-0<200
SUS631-CSP-1/2H350–400C2600-1/4H75–125
SUS631-CSP-3/4H400–450C2600-1/2H85–145
SUS631-CSP-H>450C2600-H105–175
C2600-EH≥145
C2801-1/4H85-145
C2801-1/2H105-160C2720-1/4H75–125
C2801-H≥130C2720-1/2H85–145
C2720-H≥105
C4250-1/4H80–140
C4250-1/2H110–170C5111-1/4H80–150
C4250-3/4H120–180C5111-12H120–180
C4250-H140–200C5111-H150–200
C4250-EH≥150C5111-EH170
C5102-1/4H90–160C5212-1/4H100–160
C5102-1/2H130–190C5212-1/2H150–205
C5102-H170–220C5212-H180–235
C5102-EH190C5212-EH210
C7351(C7451)-1/2H105–155C7541-1/2H110–170
C7541-H135
C7521-1/2H120–180
C7521-H150C1201/1220/1221-1/4H55–100
C1201/1220/1221-1/2H75–120
C1020(C1100)-1/4H55–100C1201/1220/1221-H≥80
C1020(C1100)-1/2H75–120
C1020(C1100)-H≥80
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Shane
Author

Shane

Founder of MachineMFG

As the founder of MachineMFG, I have dedicated over a decade of my career to the metalworking industry. My extensive experience has allowed me to become an expert in the fields of sheet metal fabrication, machining, mechanical engineering, and machine tools for metals. I am constantly thinking, reading, and writing about these subjects, constantly striving to stay at the forefront of my field. Let my knowledge and expertise be an asset to your business.

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