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P21
Data Table for: Steel Grades : Tool Steel And Hard Alloy : P21
Chemical composition(mass fraction)(wt.%)
- C
- Si
- Mn
- P
- S
- Cr
- Ni
- V
- 0.18～0.22
- 0.20～0.40
- 0.20～0.40
- ≤0.030
- ≤0.030
- 0.50～0.30
- 3.90～4.25
- 0.15～0.25
- Al
- 1.05～1.25
Mechanical Properties
- Quantity
- Value
- Unit
- Young's modulus
- Tensile strength
- Elongation
- Fatigue
- Yield strength
- 200000 - 200000
- 650 - 880
- 8 - 25
- 275 - 275
- 350 - 550
- MPa
- MPa
- %
- MPa
- MPa
Physical Properties
- Quantity
- Value
- Unit
- Thermal expansion
- Thermal conductivity
- Specific heat
- Melting temperature
- Density
- Resistivity
- 10 - 10
- 25 - 25
- 460 - 460
- 1450 - 1510
- 7700 - 7700
- 0.55 - 0.55
- e-6/K
- W/m.K
- J/kg.K
- °C
- kg/m3
- Ohm.mm2/m
Heat Treatment:
Annealing |
Quenching |
Tempering |
Normalizing |
Q & T |
√ |
√ |
√ |
√ |
√ |
Can produce P21 specifications and size
- Steel grade
- Specification
- Processing range(mm)
- P21
- P21
- P21
- P21
- P21
- P21
- Φ1 to Φ2000
- 10 to 1000
- 0.08 to 800(T)*10 to 1500(W)*Long
- Pipe/tube/slugs/donuts/cubes/other shapes
- OD: Φ4-410; WT: 1-35 mm
- THK:0.1mm Width:1500mm
Description
Alloy tool steel P21
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