 |
|
Selection of Hot Work Tool Steels
|
|
Hot-extrusion Tools
|
|
Application |
Usual
Hardness
HRC |
Recommended DAIDO BRAND |
|
General Uses |
Mass
Production Uses |
| Containers |
43-50 |
GFA,
DHA1 |
DHA1 |
| Outer
Sleeves |
43-48 |
DHA1 |
- |
| Inner
Sleeves |
Al
Uses |
43-48 |
DHA1 |
- |
| Steel
Uses |
41-48 |
DHA1 |
- |
| Dies |
Al
Uses |
43-48 |
DHA1 |
DH31 |
| Steel
Uses |
45-50 |
DHA1 |
- |
| Die
Holders |
39-45 |
GFA,
DHA1 |
DHA1 |
| Die
Backers |
39-44 |
GFA,
DHA1 |
- |
| Mandrels |
Al
Uses |
45-50 |
DHA1 |
- |
| Steel
Uses |
40-45 |
DHA1 |
- |
| Dummy
Blocks |
Cu
Uses |
43-48 |
DHA1 |
- |
| Al
Uses |
45-50 |
DHA1 |
- |
| Bolsters |
Al
Uses |
43-50 |
DHA1 |
- |
|
|
|
Die-casting Tools
|
|
Application |
Usual
Hardness
HRC |
Recommended DAIDO BRAND |
|
General Uses |
Mass
Production Uses |
| Sleeves |
45-50 |
DHA,
DHA1 |
- |
| Dies |
Zu
Uses |
41-48 |
DHA1,
DHA |
- |
| Al,Mg
Uses |
41-48 |
DHA,
DH2F |
DH31 |
|
|
|
Other Tools
|
|
Application |
Usual
Hardness
HRC |
Recommended DAIDO BRAND |
|
General Uses |
Mass
Production Uses |
| Press
Dies |
Small
Size |
42-50 |
DHA1 |
DHA1 |
| Medium
Size |
39-47 |
DHA1 |
DH31 |
| Large
Size |
41-47 |
- |
DH31 |
| Shear
Blades |
35-45 |
DHA1 |
- |
|
|
| Application |
|
|
|
|
Extrusion Die |
Die Casting Die |
|
|
|
|
Punch & Die |
Hot Forging Die |
|
|
| Conceptual Diagram of
Tool Steel Properties |
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