H13 1.2344 SKD61 Hot Rolled Steel Bar For Machinery With Diameter 12-150mm

H13 1.2344 SKD61 hot rolled steel round bar With Diameter 12-150mm

H13 tool steel is air-hardening, hot work 5% chrome tool steel. It combines excellent shock and abrasion resistance with good red hardness making it ideal for use in die casting. Most commonly used in plastic molds and die casting, its ability to withstand rapid cooling from high working temperatures also make it a prime choice for use in extrusion dies. While designed to be a versatile hot work grade, H13 tool steel has been useful in cold work applications as well, particularly when extra toughness is desired but wear resistance is not important.

1. Features

a. Electro slag remelting, annealing with diffusion process and ultrafining heat-treatment has good microstructua 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.

d. Annealing hardness≤230HB,quenching hardness 51-55HRC,tempering hardness 46-50HRC

2. Equivalent Grades

3. General 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

4. Chemical Composition (%)

5. Recommend Heat Treatment