USA ASTM M52 The middle of high-speed tool steel and M52 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Type | Steel Grade | Standard | Country | Application | 
|---|---|---|---|---|---|
| Steel Grades | Tool Steel And Hard Alloy | M52 | ASTM | USA | The middle of high-speed tool steel | 
| M44 | |||||
| T11344 | |||||
| M46 | |||||
| T11346 | |||||
| M47 | |||||
| T11347 | |||||
| M48 | |||||
| M62 | |||||
| M50 | |||||
| T11350 | 
| C(%) | Si(%) | Mn(%) | P(%) | S(%) | Cr(%) | Mo(%) | V(%) | W(%) | 
|---|---|---|---|---|---|---|---|---|
| 0.85~0.95 | 0.20~0.60 | 0.15~0.45 | MAX 0.030 | MAX 0.030 | 3.50~4.30 | 4.00~4.90 | 1.65~2.25 | 0.75~1.50 | 
| Yield Rp0.2 (MPa) | Tensile Rm (MPa) | Impact KV/Ku (J) | Elongation A (%) | Reduction in cross section on fracture Z (%) | As-Heat-Treated Condition | Brinell hardness (HBW) | 
|---|---|---|---|---|---|---|
| 879 (≥) | 649 (≥) | 11 | 33 | 44 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 224 | 
| Temperature (°C) | Modulus of elasticity (GPa) | Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and | Thermal conductivity (W/m·°C) | Specific thermal capacity (J/kg·°C) | Specific electrical resistivity (Ω mm²/m) | Density (kg/dm³) | Poisson’s coefficient, ν | 
|---|---|---|---|---|---|---|---|
| 11 | - | - | 0.22 | - | |||
| 988 | 994 | - | 12.3 | 344 | - | ||
| 747 | - | 43 | 22.2 | 241 | 122 | 
Heat treated : 1327°C - 1846°C
| Grade | Standard | Country | Application | 
|---|---|---|---|
| M52 | ASTM | USA | The middle of high-speed tool steel | 
| SM520YB | CNS | China | China Taiwan Structural steel | 
| SM520YC | CNS | China | China Taiwan Structural steel | 
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