NV 4-4L (Norway / DNV) Material Properties

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

Data updates

Latest Update: 2024-05
Total number of updates: 1
Update History:

Mechanical Properties

Temperature

≤ 0°C
0 - 30°C
PROPERTY / VALUE
Yield Strength, Rp0.2 325 MPa view details
Tensile Strength 490 — 610 MPa view details
Elongation, A 21 % view details
Impact Energy val1
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J view details
Yield Strength, Rp0.2 47.1 ksi view details
Tensile Strength 71.1 — 88.5 ksi view details
Elongation, A 21 % view details
Impact Energy val1
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ft·lb view details

Physical Properties

Temperature

0 - 30°C
PROPERTY / VALUE
Modulus of Elasticity 190 — 210 GPa view details
Density 7.67 — 7.86 kg/dm³ view details
Poisson Coefficient 0.27 — 0.3 view details
Modulus of Elasticity 27.6 E+03 — 30.5 E+03 ksi view details
Density 0.277 — 0.284 lb/in³ view details
Poisson Coefficient 0.27 — 0.3 view details

Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
Al
VALUE
≥ 0.020
UNIT
%
CAS NUMBER
7429-90-5
CRITERIA
C
VALUE
≤ 0.16
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
≤ 0.25
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Cr+Cu+Mo
VALUE
val1
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UNIT
%
CAS NUMBER
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
N
VALUE
val1
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UNIT
%
CAS NUMBER
7727-37-9; 17778-88-0
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
CRITERIA
V
VALUE
val1
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UNIT
%
CAS NUMBER
7440-62-2

Rules for classification, Ships, Part 2 Materials and welding, Chapter 2 Metallic materials, DNV Part 2 Chapter 2 Section 3; Rolled steel for boilers, pressure vessels and special applications / 2023

Heat Treatments

  • Heat treatment/condition of supply:<br />-Plates: normalized (Other heat treating processes, e.g. quenching and tempering or thermo-mechanical controlled processing may be approved)<br />-Sections: normalized, thermo-mechanically treated or normalized rolled (Steels with delivery condition TM shall not be used where hot forming or normalizing will be carried out)