GB 16MnD Structural and constructional steels

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

Data updates

Latest Update: 2026-02
Total number of updates: 4
Update History
2026-01 2025-09 2016-09

This material has 8695 properties — only a subset is shown here.

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GB 16MnD Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
Al
VALUE
≥ 0.015
UNIT
%
CAS NUMBER
7429-90-5
CRITERIA
C
VALUE
0.13 – 0.18
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
≤ 0.30
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Cu
VALUE
val1
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UNIT
%
CAS NUMBER
7440-50-8
CRITERIA
Mn
VALUE
val1
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UNIT
%
CAS NUMBER
7439-96-5
CRITERIA
Nb
VALUE
val1
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UNIT
%
CAS NUMBER
7440-03-1
CRITERIA
Ni
VALUE
val1
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UNIT
%
CAS NUMBER
7440-02-0
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

JB 4727: 2000 / Low alloy steel forgings for low temperature pressure vessels

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GB 16MnD Physical Properties


Temperature

PROPERTY / VALUE
Modulus of Elasticity
val1
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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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Coefficient of Thermal Expansion (CTE)
val1
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10-6/°C
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GB 16MnD Mechanical Properties


Temperature

PROPERTY / VALUE
Yield Strength, Rp0.2
275 MPa
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Tensile Strength
450 — 600 MPa
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Elongation, A
20 %
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Impact Energy
val1
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J
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  • - Cross References

  • 10 Composition
  • 34 Mechanical Properties
  • 29 Physical Properties
  • - Heat Treatment
  • - Metallography
  • - Machinability

  • 1 Stress-Strain
  • - Formability
  • - Fatigue
  • - Fracture
  • 21 Creep

  • 83 Joints
  • - Coatings
  • 25 Dimensions
  • 1 Tribology

  • 8491 Corrosion
  • - Ageing
  • - Weatherability
  • - Irradiation

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