DNV Grade NV F9Ni Structural and constructional steels

Material group: Ferrous Alloys / Structural and constructional steels
Country / Standard: Norway / DNV

Data updates

Latest Update: 2024-06
Total number of updates: 2
Update History
2021-10

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

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DNV Grade NV F9Ni Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
Al
VALUE
0.02 – 0.05
UNIT
%
CAS NUMBER
7429-90-5
CRITERIA
C
VALUE
≤ 0.10
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
≤ 0.25
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
Mo
VALUE
val1
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UNIT
%
CAS NUMBER
7439-98-7
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

Rules for classification, Ships, Part 2 Materials and welding, Chapter 2 Metallic materials, DNV Part 2 Chapter 2 Section 6; Steel forgings, 2023

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DNV Grade NV F9Ni 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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DNV Grade NV F9Ni Heat Treatments


  • Alloy steel forgings shall be normalized and tempered, double normalized and tempered, or quenched and tempered at a temperature of not less than 550°C. Other delivery conditions may be accepted based on special approval.

DNV Grade NV F9Ni Mechanical Properties


Temperature

PROPERTY / VALUE
Tensile Strength
640 — 790 MPa
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Elongation, A
≥ 18 %
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Reduction of Area
val1
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%
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Yield Strength, Rp0.2
≥ 480 MPa
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  • 4Cross References

  • 10Composition
  • 5Mechanical Properties
  • 3Physical Properties
  • 1Heat Treatment
  • -Metallography
  • -Machinability

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

  • -Joints
  • -Coatings
  • -Dimensions
  • -Tribology

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

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