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.
| 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 |
