Lloyds LR DH 40 Structural and constructional steels

Material group: Ferrous Alloys / Structural and constructional steels
Country / Standard: United Kingdom / Lloyds

Data updates

Latest Update: 2020-04
Total number of updates: 1
Update History

This material has 8786 properties — only a subset is shown here.

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Lloyds LR DH 40 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
Al
VALUE
≥ 0.015
UNIT
%
CAS NUMBER
7429-90-5
CRITERIA
C
VALUE
≤ 0.18
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Ceq
VALUE
≤ 0.40
UNIT
%
CAS NUMBER
CRITERIA
Cr
VALUE
val1
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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
Nb
VALUE
val1
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UNIT
%
CAS NUMBER
7440-03-1
CRITERIA
Nb+Ti+V
VALUE
val1
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UNIT
%
CAS NUMBER
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
Ti
VALUE
val1
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UNIT
%
CAS NUMBER
7440-32-6
CRITERIA
V
VALUE
val1
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UNIT
%
CAS NUMBER
7440-62-2

Rules for the Manufacture, Testing and Certification of Materials, Chapter 3 Section 3; Rolled Steel Plates, Strip, Sections and Bars; Higher strength steels for ship and other structural applications, Lloyd's Register, 2025

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Lloyds LR DH 40 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 8786 properties — only a subset is shown here.

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Lloyds LR DH 40 Heat Treatments


  • For plates and wide flats, any grain refining practice:
    t ≤ 50 mm, furnace normalized (N), normalizing rolled (NR) and thermomechanically controlled rolling (TM);
    50 < t ≤ 150 mm, furnace normalized (N), thermomechanically controlled rolling (TM), quenched and tempered (QT);

    For sections and bars, any grain refining practice:
    t ≤ 50 mm, furnace normalized (N), normalizing rolled (NR) and thermomechanically controlled rolling (TM)

Lloyds LR DH 40 Mechanical Properties


Temperature

PROPERTY / VALUE
Tensile Strength
510 — 650 MPa
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Elongation, A
≥ 12 %
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Yield Strength, Rp0.2
≥ 390 MPa
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Lloyds LR DH 40 International Equivalent Materials


Showing 14 of 167 results.

MATERIAL
STANDARD
COUNTRY / PRODUCER
EQUIVALENCE CATEGORY
MATERIAL
STANDARD
Lloyds
COUNTRY / PRODUCER
United Kingdom
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
STANDARD
Lloyds
COUNTRY / PRODUCER
United Kingdom
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
STANDARD
Lloyds
COUNTRY / PRODUCER
United Kingdom
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
STANDARD
Lloyds
COUNTRY / PRODUCER
United Kingdom
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
STANDARD
Lloyds
COUNTRY / PRODUCER
United Kingdom
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
STANDARD
NK
COUNTRY / PRODUCER
Japan
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
STANDARD
NK
COUNTRY / PRODUCER
Japan
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
STANDARD
ABS
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Implicit
MATERIAL
STANDARD
BV
COUNTRY / PRODUCER
France
EQUIVALENCE CATEGORY
Implicit
MATERIAL
STANDARD
DNV
COUNTRY / PRODUCER
Norway
EQUIVALENCE CATEGORY
Implicit
MATERIAL
STANDARD
NK
COUNTRY / PRODUCER
Japan
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
STANDARD
CCS
COUNTRY / PRODUCER
China
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
STANDARD
CCS
COUNTRY / PRODUCER
China
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
STANDARD
CCS
COUNTRY / PRODUCER
China
EQUIVALENCE CATEGORY
Composition 100%

Equivalence categories reflect chemical-composition and mechanical-property comparison — always verify suitability against the governing specification for your application.

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  • 167Cross References

  • 15Composition
  • 23Mechanical Properties
  • 3Physical Properties
  • 1Heat Treatment
  • -Metallography
  • -Machinability

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

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

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

  • 2Total Suppliers