GB 21Ni5A 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 21Ni5A 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 21Ni5A Heat Treatments

  • Normalized or tempered at 880-920°C, air cooled at 650-680°C; Quenched and tempered; Heated at 770-820°C (oil quenched) and tempered at 150-170°C (air cooling);

GB 21Ni5A Mechanical Properties

Temperature

PROPERTY / VALUE
Tensile Strength
≥ 1175 MPa
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Elongation, A
≥ 9 %
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Reduction of Area
val1
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%
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Yield Strength, Rp0.2
≥ 930 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