| 
Product Introduction
Hardness is added to hi-carbon products by applying spherodizing annealing when modifying or annealing the HR chemical component.
Size Availability and Features
| Classification | Thickness | Width |
| S50C | 0.5 ~ 1.5 | 760~1100 |
| SK·3 | 0.8 ~ 1.5 | 760~1100 |
| SK·5 | 0.8 ~ 1.5 | 760~1100 |
Applications
- automobile components (i.e. seat belt buckle)
- knives
- measuring tapes
Mechanical properties
|
Classification |
Hardness (HrB) |
YP |
TS |
EL |
|
S50C (Drawing Quality) |
63~82 |
40↓ |
55↓ |
15↑ |
|
S50C (Re-rolling Quality) |
63~85 |
50↓ |
65↓ |
21↑ |
|
SK-3 |
80~93 |
55↓ |
67↓ |
10↑ |
|
SK-5 |
77~90 |
50↓ |
65↓ |
15↑ |
