GB 20CrA Structural and constructional steels

Material group: Ferrous Alloys / Structural and constructional steels
Country / Standard: China / GB

Data updates

Latest Update: 2014-10
Total number of updates: 1
Update History

This material has 8 properties — only a subset is shown here.

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GB 20CrA Physical Properties

Temperature

PROPERTY / VALUE
Modulus of Elasticity
190 — 210 GPa
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Density
7.67 — 7.86 kg/dm³
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Poisson Coefficient
0.27 — 0.3
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This material has 8 properties — only a subset is shown here.

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GB 20CrA Heat Treatments

  • Normalized at 870-900°C, air-cooled; Quenched: 870-890°C, 790-810°C; Tempered at 180-200°C (water or air cooling).

GB 20CrA Mechanical Properties

Temperature

PROPERTY / VALUE
Tensile Strength
≥ 835 MPa
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Elongation, A
≥ 10 %
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Reduction of Area
val1
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%
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Yield Strength, Rp0.2
≥ 540 MPa
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  • -Cross References
  • -Composition
  • 4Mechanical Properties
  • 3Physical Properties
  • 1Heat Treatment
  • -Metallography
  • -Machinability
  • -Stress-Strain
  • -Formability
  • -Fatigue
  • -Fracture
  • -Creep
  • -Joints
  • -Coatings
  • -Dimensions
  • -Tribology
  • -Corrosion
  • -Ageing
  • -Weatherability
  • -Irradiation
  • -Total Suppliers