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Stainless Steel Hardness Table

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Are you struggling to determine the appropriate hardness for your stainless steel material? Look no further! In this comprehensive blog post, we provide a detailed stainless steel hardness table, including Vickers hardness standards for various materials and grades.

From SUS301 to C7521, we cover it all! Whether you’re a metallurgist or simply curious about the properties of stainless steel, this article is sure to pique your interest.

So, sit back, relax, and let’s explore the world of stainless steel hardness together.

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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