Description
If you’re seeking reputable manufacturers and suppliers of EN19 steel plates in Kolkata and Delhi, it’s essential to understand the material’s specifications, mechanical properties, applications, and available grades to make an informed decision.
EN19 Steel Plate Overview
EN19, also known as 708M40 or AISI 4140, is a high-quality alloy steel renowned for its high tensile strength, good ductility, and excellent wear resistance. This chromium-molybdenum steel is versatile and suitable for various engineering applications.
Chemical Composition
The chemical composition of EN19 steel is as follows:
| Element | Composition (%) |
|---|---|
| Carbon (C) | 0.35 – 0.45 |
| Manganese (Mn) | 0.50 – 0.80 |
| Silicon (Si) | 0.10 – 0.35 |
| Chromium (Cr) | 0.90 – 1.50 |
| Molybdenum (Mo) | 0.20 – 0.40 |
| Phosphorus (P) | ≤ 0.035 |
| Sulfur (S) | ≤ 0.040 |
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Mechanical Properties
EN19 steel exhibits the following mechanical properties:
| Property | Value |
|---|---|
| Tensile Strength | 700 – 850 MPa |
| Yield Strength | ≥ 415 MPa |
| Elongation | ≥ 13% |
| Hardness | 248 – 302 HB |
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Available Dimensions
EN19 steel plates are available in various sizes to meet diverse application requirements. Common dimensions include thicknesses ranging from 5mm to 250mm, widths up to 1250mm, and lengths up to 5000mm. Custom sizes can also be provided based on specific needs.
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Applications
Due to its robust mechanical properties, EN19 steel is utilized in numerous applications, including:
- Manufacturing of gears, shafts, and spindles
- Automotive components
- Oil and gas industry equipment
- Construction machinery
- Tool and die making
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Equivalent Grades
EN19 steel has several equivalent grades across different standards:
| Standard | Grade |
|---|---|
| AISI | 4140 |
| DIN | 42CrMo4 |
| BS | 708M40 |
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Heat Treatment
EN19 steel can undergo various heat treatment processes to enhance its properties:
- Annealing: Heat to 680-700°C, then cool in air.
- Hardening: Heat slowly to 860-890°C, quench in oil, and temper as required.
- Tempering: Heat carefully to a suitable temperature, soak, and then allow to cool in air.
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Finding Suppliers in Kolkata and Delhi
When searching for EN19 steel plate suppliers in Kolkata and Delhi, consider the following steps:
- Online Directories: Utilize industrial directories and B2B platforms to identify local suppliers.
- Industry Associations: Contact local steel industry associations for recommendations.
- Trade Shows: Attend regional trade shows and exhibitions to meet suppliers.
- Referrals: Seek referrals from industry peers who have experience with local suppliers.
Ensure that the chosen supplier provides material test certificates and complies with relevant quality standards to guarantee the authenticity and quality of the EN19 steel plates.
By understanding the specifications, properties, and applications of EN19 steel plates, you can make an informed decision when selecting a supplier in the Kolkata and Delhi regions.
