Lloyds LR Type 300 Cast steels
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Lloyds LR Type 300 Chemical Composition
Rules for the Manufacture, Testing and Certification of Materials, Chapter 5 Section 2; Steel Forgings; Forgings for ship and other structural applications, Lloyd's Register, 2025
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Lloyds LR Type 300 Physical Properties
Temperature
This material has 8793 properties — only a subset is shown here.
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Lloyds LR Type 300 Heat Treatments
- Carbon-manganese steel forgings are to be:
Fully annealed or
Normalized or
Normalized and tempered at a temperature of not less than 550°C or
Quenched and tempered - Normalizing and tempering, or
Quenching and tempering
The temperature used for tempering is to be not less than 550°C.
Lloyds LR Type 300 Mechanical Properties
Temperature
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Lloyds LR Type 300 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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- 75Cross References
- 71Composition
- 62Mechanical Properties
- 3Physical Properties
- 7Heat Treatment
- -Metallography
- -Machinability
- -Stress-Strain
- -Formability
- -Fatigue
- -Fracture
- -Creep
- 83Joints
- -Coatings
- -Dimensions
- 1Tribology
- 8491Corrosion
- -Ageing
- -Weatherability
- -Irradiation
- -Total Suppliers