Annealing Hot Rolled Hot Work Special Steel Plate 1.2344 H13 SKD61
Die-casting mould for aluminum, extrusion mould, and thin-wall plastics mould.
1. Definition
1.2344/H13/SKD61 steel is a pressure resistant hot work die steel. The steel is remelted by electroslag, uniform in material, good in hardenability, excellent in machinability and polishing performance, high toughness and plasticity, good high and low temperature wear resistance, and high temperature fatigue and heat resistance.
2. Grades
| Chinese |
American |
German |
Swedish |
Japanese |
| GB |
AISI |
DIN |
ASSAB |
JIS |
| 4Cr5MoSiV1 |
H13 |
1.2344 |
8407 |
SKD61 |
3. Chemical Composition (%)
| C |
Si |
Mn |
P |
S |
Cr |
Mo |
V |
| 0.35-0.40 |
1.00-1.20 |
0.40-0.60 |
≤0.015 |
≤0.003 |
4.80-5.20 |
1.20-1.40 |
0.80-1.0 |
4. Hardness
| Annealing hardness |
Quenching hardness |
Tempering hardness |
| ≤230HB |
51-55HRC |
46-50HRC |
5. Technical service
1) Die vacuum heat treatment and die surface treatment (N-O,C-N, carburize and nitridation surface treatment).
2) Black surface, annealing, hot rolled/forged, EAF/ESR, 2 or 4 sides cutting
6. Heat Treatment
| Heating temperature |
Cooling way |
Hardness (HRC) |
Tempering temperature
/ºC |
Tempering number |
Hardness
(HRC) |
| First preheating |
Second preheating |
Last heating |
500-
600 |
820-
860 |
1010-
1040 |
Oil cooling |
53-55 |
560-620 |
2 |
50-46 |
7. Available Size (mm)
| Shape |
Thickness/
Diameter |
Width |
Length |
| Round Bar |
16-520 |
/ |
3000-6000 |
| Flat Bar |
16-260 |
205-610 |
3000-6000 |
| Forged |
Round Bar |
150-450 |
/ |
2000-6000 |
| Block |
100-500 |
600-1000 |
2000-6000 |
8. Characteristics
1) Cold and hot fatigue resistance, strong ability to resist crack.
2) Electroslag remelting steel, high purity, good resistance to dissolve.
3) Organizational structure of uniform, better heat resistance with good toughness, high temperature resistance metal erosion.
4) Good resistance to high temperature tempering performance, hardness steady working under 600ºC, dimensional accuracy stability durability.
9. Applications
1) Cu alloy extruded and die casting moulds.
2) Casting moulds, extruded moulds, forging moulds.
3) Hot forging moulds, such as auto connecting rods, crank, stainless dinner knife.
4) Aluminum extruded moulds, such as aluminum window frame, computer radiater.
5) Lead,Zn and Al alloy die casting moulds, such as engine radiater, lights and other decorative products.
6) Full hardness (52-54HRC) plastic moulds with high polishing and long lifetime requirments, such as bakelite plastic mould.
10.
11. Product Display
Annealing Hot Rolled Hot Work Special Steel 1.2344 H13 SKD61
12. Port of loading: Shenzhen, China
13. Terms of Payment
30% deposit, balance by L/C at sight or T/T before shipment
14. Lead Time
1) For abundant stock, 7-15 days.
2) For customized products, 15-30 days.
15. About Us
Guangzhou Changfeng Steel Co., Ltd. is a professional special steel company, which specializing in this line in China since 2005. Our main products are Plastic Mould Steel, Hot Work Mould Steel, Cold Work Mould Steel, Alloy Structural Steel, Tool Steel, Stainless Steel, Carbon Steel and Forged Block.
To ensure provide high quality products to customers, we have close cooperation with many Chinese first class special steel enterprises, including Baosteel Group, Dongbei Special Steel, Changcheng Special Steel, Hongsheng Heavy Industry, Xingcheng Special Steel and Daye Special Steel.
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