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Q275
Data Table for: Steel Grades : Structure Steel : Q275
Chemical composition(mass fraction)(wt.%)
- C
- Si
- Mn
- P
- S
- Cr
- Ni
- 0.28～0.38
- ≤0.35
- 0.50～0.80
- ≤0.045
- ≤0.050
- ≤0.30
- ≤0.30
- Cu
- ≤0.30
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 Q275 specifications and size
- Steel grade
- Specification
- Processing range(mm)
- Q275
- Q275
- Q275
- Q275
- Q275
- Q275
- 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
Mechanical properties
The yield point σ s/MPa (no less) than in steel different thickness or diameter/mm | than 16:275
The yield point σ s/MPa (no less) than in steel different thickness or diameter/mm | > 16 ~ 40:265
The yield point σ s/MPa (no less) than in steel different thickness or diameter/mm | > 40 to 60:255
The yield point σ s/MPa (no less) than in steel different thickness or diameter/mm | > 60 ~ 100:245
The yield point σ s/MPa (no less) than in steel different thickness or diameter/mm | > 100 ~ 150:235
The yield point σ s/MPa (no less) than in steel different thickness or diameter/mm | > 150:225
Tensile strength σ b/MPa: 490 ~ 630
Elongation δ 5 / (%) (no less) than in steel different thickness or diameter/mm | than 16:20
Elongation δ 5 / (%) (no less) than in steel different thickness or diameter/mm | > 16 ~ 40:19
Elongation δ 5 / (%) (no less) than in steel different thickness or diameter/mm | > 40 to 60:18
Elongation δ 5 / (%) (no less) than in steel different thickness or diameter/mm | > 60 ~ 100:17
Elongation δ 5 / (%) (no less) than in steel different thickness or diameter/mm | > 100 ~ 150:16
Elongation δ 5 / (%) (no less) than in steel different thickness or diameter/mm | > 150:15
Impact test (1) | temperature / ℃ :-
Impact test (1) | impact absorption power AKV/J:-
The cold bending property
Sample direction:-
180 ° of cold bending test b = 2 a different thickness or in steel diameter/mm | than 60: d = 3 a
180 ° of cold bending test b = 2 a different thickness or in steel diameter/mm | > 60 ~ 100: d = 4 a
180 ° of cold bending test b = 2 a different thickness or in steel diameter/mm | > 100 ~ 200: d = 4.5 a
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