Description
EN19 steel plates (also referred to as 708M40, 709M40, and AISI 4140) are high-quality alloy steel plates known for their wear resistance, tensile strength, and good shock resistance. EN19 is a chromium-molybdenum alloy steel, widely used for applications requiring strength and durability, such as gears, shafts, and pinions, as well as in the oil and gas industry.
Key features:
- High tensile strength
- Good ductility and shock resistance
- Excellent wear resistance
- Can be induction hardened
Applications:
EN19 is used in various industries including automotive, oil and gas, manufacturing of machinery parts like gears, shafts, spindles, pinions, and other tooling applications.
Available Sizes:
EN19 plates are available in various sizes, including:
- 32 mm x 2000 mm x 6500 mm
- 50 mm x 1250 mm x 5000 mm
- 100 mm x 2000 mm x 6500 mm
Equivalent Grades:
- AISI: 4140
- DIN: 42CrMo4
- BS: 709M40
- IS: EN19
Chemical Composition:
- Carbon (C): 0.38 – 0.43%
- Manganese (Mn): 0.75 – 1.0%
- Chromium (Cr): 0.8 – 1.1%
- Molybdenum (Mo): 0.15 – 0.25%
Mechanical Properties:
- Tensile Strength: 850-1000 MPa
- Yield Strength: 470-550 MPa
- Hardness: Bhn 195+ RC 22+
