| Grade |
Hardness HRA≥ |
Transverse Rupture Strength TRS≥ |
Impact Toughness N/mm2≥ |
Applications |
|
SSYMB01 |
86.5 |
2500 |
9.0 |
Used for making the small size of screw bolt dies, punching dies and shearing blade to machine the materials of high strength steel and stainless steel. |
| SSYMB02 |
84.8 |
2800 |
9.5 |
Used for making the middle size of screw bolt dies, punching dies and shearing blade to machine the materials of high strength steel and stainless steel. |
| SSYMB03 |
85.0 |
2500 |
10.0 |
Used for making the conical hole dies and diameter reducing dies working at the operation condition of bigger impact force to machine the materials of high strength steel and stainless steel. |
| SSYMB04 |
82.5 |
2600 |
10.5 |
Used for making the heading dies, screw bolt dies, screw cap dies and hexagon-headed bolt heading dies.
|
| SSYMB05 |
83.0 |
2600 |
11.0 |
Used on trial for making punching dies working at high temperature and forging dies working at high impact force.
|
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