Stainless Steel Hardness Table

Material Hardness standard
HV (Vickers)		 Material Hardness standard
HV (Vickers)
SUS301-CSP-1/2H 310–370 C2680-1/4H 75–125
SUS301-CSP-3/4H 370–430 C2680-1/2H 85–145
SUS301-CSP-H 430–490 C2680-H 105–175
SUS301-CSP-EH >490 C2680-EH >145
SUS304-CSP-1/2H 250–310 C5159-1/4H 100–160
SUS304-CSP-3/4H 310–370 C5159-1/2H 150-205
SUS304-CSP-H >370 C5159-H 180–230
C5159-EH 200
SUS631-CSP-0 <200
SUS631-CSP-1/2H 350–400 C2600-1/4H 75–125
SUS631-CSP-3/4H 400–450 C2600-1/2H 85–145
SUS631-CSP-H >450 C2600-H 105–175
C2600-EH ≥145
C2801-1/4H 85-145
C2801-1/2H 105-160 C2720-1/4H 75–125
C2801-H ≥130 C2720-1/2H 85–145
C2720-H ≥105
C4250-1/4H 80–140
C4250-1/2H 110–170 C5111-1/4H 80–150
C4250-3/4H 120–180 C5111-12H 120–180
C4250-H 140–200 C5111-H 150–200
C4250-EH ≥150 C5111-EH 170
C5102-1/4H 90–160 C5212-1/4H 100–160
C5102-1/2H 130–190 C5212-1/2H 150–205
C5102-H 170–220 C5212-H 180–235
C5102-EH 190 C5212-EH 210
C7351（C7451）-1/2H 105–155 C7541-1/2H 110–170
C7541-H 135
C7521-1/2H 120–180
C7521-H 150 C1201/1220/1221-1/4H 55–100
C1201/1220/1221-1/2H 75–120
C1020（C1100）-1/4H 55–100 C1201/1220/1221-H ≥80
C1020（C1100）-1/2H 75–120
C1020（C1100）-H ≥80

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