1.2344 SKD61 H13 Special Alloy Tool Steel For Extrusion Die
1. Features
1. Electroslag remelting steel, high purity, good resistance to dissolve
2. Organizational structure of uniform, better heat resistance with good toughness, high temperature resistance metal erosion
3. Good resistance to high temperature tempering performance, hardness steady working under 600ºC, dimensional accuracy stability durability.
4. Cold and hot fatigue resistance, strong ability to resist crack.
2. Similar Standards
| Chinese |
American |
German |
Swedish |
Japanese |
| GB |
AISI |
DIN |
ASSAB |
JIS |
| 4Cr5MoSiV1 |
H13 |
1.2344 |
8407 |
SKD61 |
3. Chemical Composition
| Grades |
C |
Si |
Mn |
P |
S |
Mo |
V |
Cr |
| 1.2344 |
0.38-0.42 |
0.8-1.2 |
0.3-0.5 |
≤0.015 |
≤0.002 |
1.2-1.5 |
0.9-1.1 |
4.8-5.5 |
H13/SKD61/
4Cr5MoSiV1 |
0.32-0.45 |
0.8-1.2 |
0.2-0.5 |
≤0.03 |
≤0.03 |
1.1-1.75 |
0.8-1.2 |
4.75-5.5 |
4. Stock Size
| Shape |
Diameter |
Thickness |
Width |
| Flat Bar |
/ |
16-260mm |
205-610mm |
| Round Bar |
16-200mm |
/ |
/ |
Die Block
|
Die Block |
/ |
100-500mm |
600-1000mm |
| Round Bar |
150-450 |
/ |
/ |
5. Heat Treatment
| Quenching ºC |
Tempering ºC/HRC |
| 1020-1050 |
100 |
200 |
300 |
400 |
500 |
550 |
600 |
650 |
700 |
| Air/oil/salt bath |
52 |
52 |
52 |
54 |
54 |
54 |
50 |
42 |
32 |
6. Applications
Die casting, forging, extrusion and pressing dies, shear blades, sleeves, plunger and etc.
- 1 Full hardness (52-54HRC) plastic moulds with high polishing and long lifetime requirments, such as bakelite plastic mould.
- 2. Lead,Zn and Al alloy die casting moulds, such as engine radiater, lights and other decorative products
- 3. Aluminum extruded moulds, such as aluminum window frame, computer radiater.
- 4. Hot forging moulds, such as auto connecting rods, crank, stainless dinner knife.
- 5. Cu alloy extruded and die casting moulds.
- 6. Casting moulds, extruded moulds,forging moulds
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