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EN19 (AISI 4140) Alloy Steel
High quality alloy steel with high tensile strength, good ductility, and shock resistance.
EN19: Versatile Engineering Steel
EN19 (also known as 709M40) is a high quality alloy steel, renowned for its good ductility and shock resistant properties combined with its resistance to wear. It is suitable for high tensile applications.
Key Features & Properties
- Balanced Alloy: 1% Chromium - Molybdenum composition.
- Strength: Very strong and impact-resistant.
- Versatility: Can be heat treated to a wide range of tensile strengths.
- Wear Resistance: Good resistance to wear and abrasion.
Typical Applications
- Heavy shafts and axles
- Gears and pinions
- High tensile studs and bolts
- Machine parts requiring high strength
Technical Specifications
EN19 is generally supplied in the quenched and tempered 'T' condition, with a tensile strength of 850-1000 N/mm². It is a direct equivalent to AISI 4140.
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