CNS SUP 12 Structural and constructional steels

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

Data updates

Latest Update: 2021-06
Total number of updates: 1
Update History

This material has 23 properties — only a subset is shown here.

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CNS SUP 12 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
0.51 – 0.59
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
0.60 – 0.90
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Mn
VALUE
0.60 – 0.90
UNIT
%
CAS NUMBER
7439-96-5
CRITERIA
P
VALUE
val1
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UNIT
%
CAS NUMBER
7723-14-0
CRITERIA
S
VALUE
val1
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UNIT
%
CAS NUMBER
7704-34-9
CRITERIA
Si
VALUE
val1
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UNIT
%
CAS NUMBER
7440-21-3

G3051: 1986 / Spring steels

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CNS SUP 12 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 23 properties — only a subset is shown here.

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CNS SUP 12 Heat Treatments

  • Quenched: 830-860°C, oil cooled. Tempered: 510-570°C.

CNS SUP 12 Mechanical Properties

Temperature

PROPERTY / VALUE
Tensile Strength
≥ 1230 MPa
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Brinell Hardness (HB)
363 — 429
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Elongation, A
≥ 9 %
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Yield Strength, Rp0.2
val1
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MPa
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  • 7Cross References
  • 6Composition
  • 4Mechanical Properties
  • 3Physical Properties
  • 1Heat Treatment
  • 1Metallography
  • -Machinability
  • -Stress-Strain
  • -Formability
  • -Fatigue
  • -Fracture
  • -Creep
  • -Joints
  • -Coatings
  • -Dimensions
  • -Tribology
  • -Corrosion
  • -Ageing
  • -Weatherability
  • -Irradiation
  • 1Total Suppliers