SKD 61 Hot Work Tool Steel, AISI H13, BS BH13, DIN X40CrMoV5-1, Werkstoff 1.2344
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| Trade Name | Technical Delivery Condition | Annealed Hardness | C (%) | Si (%) | Mn (%) | Cr (%) | Mo (%) | V (%) |
|---|---|---|---|---|---|---|---|---|
| SKD61 | Annealed | 205 HB | 0.35 – 0.42 | 0.80 - 1.20 | ≤ 0.50 | 4.80 - 5.50 | 1.00 - 1.50 | 0.80 – 1.15 |
| Werkstoff | DIN standard | AISI | BS | JIS | SIS | UNI |
|---|---|---|---|---|---|---|
| 1.2344 | X40CrMoV5-1 | H13 | B-H13 | SKD61 | 2242 | X40CrMoV5-1-1KU |
Type of steel and characteristics:
Hot work tool steel with high level of resistance to thermal shock and fatigue, excellent hot tensile strength properties, high hot wear resistance, good machinability and polishability, fine grain size with high level toughness, dimensional stability, extra fine structure without grain boundary carbide, nitridable suitable for water cooling.
Applications:
Primarily for the processing of light metal alloys. Highly stressed hot work tools, such as mandrels, dies and containers for metal tube and rod extrusion. Hot extrusion tools, tools for the manufacture of hollows, tools for the manufacture of screws, nuts, rivets and bolts. Die casting tools, forming dies, die inserts, hot shear blades.
Heat Treatment:
Hot Forging -1100 - 900°C
Annealing - 750 - 800°C
Stress relieving - 600-650°C
Hardening - 1020 - 1080°C
Hardness obtainable - 52 – 56 HRC in oil, 50 – 54 HRC in air
Nitriding - 540 ̊C
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