Lloyds LR DH 27S Structural and constructional steels

Material group: Ferrous Alloys / Structural and constructional steels

Country / Standard: United Kingdom / Lloyds

Data updates

Latest Update: 2024-11

Total number of updates: 2

Update History

2020-04

This material has 8788 properties — only a subset is shown here.

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Lloyds LR DH 27S Chemical Composition

CRITERIA

VALUE

UNIT

CAS NUMBER

CRITERIA

VALUE

≥ 0.015

UNIT

CAS NUMBER

7429-90-5

CRITERIA

VALUE

≤ 0.18

UNIT

CAS NUMBER

7440-44-0

CRITERIA

Ceq

VALUE

≤ 0.34

UNIT

CAS NUMBER

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7440-47-3

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7440-50-8

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7439-96-5

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7439-98-7

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7440-03-1

CRITERIA

Nb+Ti+V

VALUE

val1

UNIT

CAS NUMBER

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7440-02-0

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7723-14-0

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7704-34-9

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7440-21-3

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7440-32-6

CRITERIA

VALUE

val1

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 27S Physical Properties

Temperature

0 - 30°C

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 8788 properties — only a subset is shown here.

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Lloyds LR DH 27S Heat Treatments

For plates and wide flats, grain refining practice Al or Al+Ti:
t ≤ 20 mm, as-rolled (AR), furnace normalized (N), normalizing rolled (NR) and thermomechanically controlled rolling (TM);
20 < t ≤ 150 mm, furnace normalized (N), normalizing rolled (NR) and thermomechanically controlled rolling (TM) (Material up to 25 mm thick may be supplied in the as-rolled condition provided that prior approval has been obtained from LR);

For plates and wide flats, grain refining practice Nb or V or Al+(Nb or V) or Al+(Ti)+(Nb or V):
t ≤ 12.5 mm, as-rolled (AR), furnace normalized (N), normalizing rolled (NR) and thermomechanically controlled rolling (TM);
12.5 < t ≤ 150 mm, furnace normalized (N), normalizing rolled (NR) and thermomechanically controlled rolling (TM);

For sections and bars, grain refining practice Al or Al+Ti:
t ≤ 20 mm, as-rolled (AR), quench and tempered (QT), furnace normalized (N), normalizing rolled (NR) and thermomechanically controlled rolling (TM);
20 < t ≤ 50 mm, furnace normalized (N), normalizing rolled (NR) and thermomechanically controlled rolling (TM) (Subject to the special approval of LR, sections may be supplied in the as-rolled condition provided satisfactory results are consistently obtained from CharpyV-notch impact tests);

For sections and bars, grain refining practice Nb or V or Al+Nb or Al+V or Al+(Ti)+(Nb or V):
t ≤ 12.5 mm, as-rolled (AR), quench and tempered (QT), furnace normalized (N), normalizing rolled (NR) and thermomechanically controlled rolling (TM);
12.5 < t ≤ 50 mm, furnace normalized (N), normalizing rolled (NR) and thermomechanically controlled rolling (TM) (Subject to the special approval of LR, sections may be supplied in the as-rolled condition provided satisfactory results are consistently obtained from CharpyV-notch impact tests)

Lloyds LR DH 27S Mechanical Properties

Temperature

≤ 0°C 0 - 30°C

PROPERTY / VALUE

Tensile Strength

400 — 530 MPa

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Elongation, A

≥ 14 %

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Yield Strength, Rp0.2

≥ 265 MPa

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Lloyds LR DH 27S International Equivalent Materials

Showing 2 of 167 results.

MATERIAL

STANDARD

COUNTRY / PRODUCER

EQUIVALENCE CATEGORY

MATERIAL

LR AH 27S

STANDARD

Lloyds

COUNTRY / PRODUCER

United Kingdom

EQUIVALENCE CATEGORY

Composition 100%

MATERIAL

LR EH 27S

STANDARD

Lloyds

COUNTRY / PRODUCER

United Kingdom

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
26Mechanical Properties
3Physical Properties
1Heat Treatment
-Metallography
-Machinability

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

83Joints
-Coatings
-Dimensions
1Tribology

8491Corrosion
-Ageing
-Weatherability
-Irradiation

1Total Suppliers