H13/1.2344/SKD61 8407 1.2343 Hot Rolled Special Alloy Tool Steel Round Bar For Die Steel
H13 is a hot work die steel, which is a steel grade formed by adding alloying elements to carbon steel.
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 |
0.80-1.00 |
Features:
a),Electro slag remelting, annealing with diffusion process and ultrafining heat-treatment has good microstructual homogeneity and finer dispersed carbides.
b),High isotropy, aspect rations≥0.8
c),Good tempering performance, high toughness, high temperature strength, good thermal stability and thermal fatigue resistance.
Hardness:
| Annealing hardness | Quenching hardness | Tempering hardness |
| ≤230HB | 51-55HRC | 46-50HRC |
Workmanship Process:
Electric-Furnace Smelting(EF)→Ladle Furnace(LF)→Vacuum Degassing(VD)→ Argon protected ingot →Multidirectional Forging → (Concave forging →)Normalizing+Hydrogen Diffusion Annealing → Ultrasonic Flaw Detection →Queching+Tempering Prehardened →Inspection→Packing
Recommend heat treatment:
| Heating temperature | Cooling way | Delivery Hardness (HRC) | Tempering temperature /ºC |
Tempering number | Hardness
(HRC)
|
||
| First preheating | Second preheating | Last heating | |||||
| 500- 600 |
820- 860 |
1010- 1040 |
Oil cooling | ≤235HB | 580-640 | 2 | 28-36 |
Available Specification
| Steel Grade | Diameter(mm) | Length(mm) | Harness (HRC) |
| H13 | 16,18,20,23,25,28,30,33,35,38,40,43,45,48,50,55, 60,65,70,75,80,85,90,95,100,110,120,130,140,150, 160,170,180,190,200, |
3000-6000 | 52-54 |
Applications:
It can displace imported senior high quality hot work die steels such as 1.2344/AISI H13.Etc.
Widely used in die casting mold, hot extruding die, brass casting die, high strength plastic die etc.
About our factory:
Our main products include Forged Steel Round Bar from Sizes 85mm to 1100mm, Forged Steel Square Bar from Sizes 150×150 to 800×800mm with various grade ;The largest production steel ingot 15T, mainly forged alloy steel, carbon steel and other materials. The annual output of forged round can reach 60,000 tons. The products are widely used and can be supplied to users in metallurgy, chemical, hydraulic, port and marine machinery The main equipment includes a 2000-ton hydraulic press, a 3-ton electro-hydraulic hammer, a 2.5-meter ring rolling machine, and is equipped with large and small traveling machines, metalworking lathes, and multiple large and small sawing machines. The company now has more than 100 sets of production equipment from a whole set of processes from blanking, heating, forging to heat treatment and machining.
