Lloyds LR DH 40 Structural and constructional steels
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Lloyds LR DH 40 Chemical Composition
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
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
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Lloyds LR DH 40 International Equivalent Materials
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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
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