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25-4-4
Data Table for: Steel Grades : High Alloy : 25-4-4
Chemical composition(mass fraction)(wt.%)
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 25-4-4 specifications and size
- Steel grade
- Specification
- Processing range(mm)
- 25-4-4
- 25-4-4
- 25-4-4
- 25-4-4
- 25-4-4
- 25-4-4
- 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
|
C ≤ |
Si ≤ |
Mn ≤ |
P ≤ |
S ≤ |
Cr | Ni |
|---|---|---|---|---|---|---|
| 0.025 | 0.75 | 1 | 0.04 | 0.03 | 24.5-26 | 3.5-4.5 |
| Mo | Al | Cu | Nb | Ti | V | Ce |
| 3.5-4.5 | ||||||
| N | Co | Pb | B | Other | ||
| ≤0.035 | Ti+Nb0.2+4*(C+N)~0.8 | |||||
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