Product : SKH 59 HSS High Cobalt
Kategori : High Speed Steel High Cobalt (HSS)
Standard: JIS G 4403
Grades : SKH 59
Standard
| German | US | Japan | China | |
| Mat.No. | ISO | AISI | JIS | GB |
| 1.3247 | HS2-10-1-8 | M42 | SKH59 | W2Mo9Cr4VCo8 |
Equivalent Brand
| Japan | Austria | Sweden | China | |||
| JIS G4403 | Daido | Hitachi | Nippon | Bohler | Assab | Est |
| SKH59 | - | YXM42 | HM42 | S500 | XW-41 | DF42 |
Characteristic
SKH 59 is a high speed steel high cobalt. SKH 59 is high-performance, high-speed tool steel with optimum cutting performance and good hardness in high temperature environment, also plus a good degree of toughness. SKH59 is mainly used for high toughness precision wear-resistant metal cold die. Moreover it also can be used for the cutting tool and the knife in the cooling.
High Speed Steel High Cobalt (HSS-HiCo)
Better hot hardness and wear resistance
Excellent cutting performance
Availability
Roundbar
Flat
Chemical Composition (%)
| Type | C | Cr | Mo | V | W | Co |
| 1.3247 | 1.05-1.15 | 3.50-4.50 | 9.0-10.0 | 0.90-1.30 | 1.2-1.9 | 7.50-8.50 |
| SKH59 | 1.05-1.15 | 3.50-4.50 | 9.0-10.0 | 0.90-1.30 | 1.2-1.9 | 7.50-8.50 |
| YXM42 | 1.05-1.15 | 3.50-4.50 | 9.0-10.0 | 0.90-1.30 | 1.2-1.9 | 7.50-8.50 |
Mechanical Properties
| Properties | SKH59 | |
| Tensile Strength (MPa) | 650 - 880 | |
| Yield Strength (MPa) | 350 - 550 | |
| Elongation (%) | 8 - 25 | |
| Young's modulus K (MPa) | 20 - 20 | |
| Fatigue (MPa) | 275 - 275 | |
| Hardness (HB) Max | - |
| Heat Treatment ℃ | Quench-Temper Hardness HRC | |
| Quench | Temper | |
| 1190 Oil quench | 560 Air cooled | 66min |
Physical Properties
| Properties | SKH59 | |
| Density (×1000 kg/m3) | 7.7 | |
| Melting temperature (°C) | 1450 - 1510 | |
| Thermal expansion (e-6/K) | 10 | |
| Thermal Conductivity (W/m-K) | 25 | |
| Specific Heat (J/kg-K) | 460 | |
| Electrical Resistivity (Ohm.mm2/m) | 0.55 |
Application
SKH57 mostly use for universal application to give CNC knife tool a life times against cutting, wear and tear. All kinds of blades for wood machining, CNC machining, cutting tools for very hard materials, turning blades, wood working tools and tools for cold work, tool bit, cutters, hob, endmill,cold punch, dies, etc.Related Grade
SKH 2 | SKH 3 | SKH 4 | SKH 40 | SKH 51 | SKH 55 | SKH 57 |
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