Description
If you’re seeking reliable suppliers and manufacturers of SAE 4140 steel plates in Delhi and Ghaziabad, it’s essential to understand the material’s specifications, mechanical properties, applications, and available grades to make an informed decision.
SAE 4140 Steel Plate Overview
SAE 4140 is a chromium-molybdenum alloy steel known for its high tensile strength, toughness, and resistance to wear and fatigue. It’s widely used in various industries due to its excellent mechanical properties and versatility.
Chemical Composition
The chemical composition of SAE 4140 steel is as follows:
| Element | Composition (%) |
|---|---|
| Carbon (C) | 0.38 – 0.43 |
| Manganese (Mn) | 0.75 – 1.00 |
| Phosphorus (P) | ≤ 0.035 |
| Sulfur (S) | ≤ 0.040 |
| Silicon (Si) | 0.15 – 0.30 |
| Chromium (Cr) | 0.80 – 1.10 |
| Molybdenum (Mo) | 0.15 – 0.25 |
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Mechanical Properties
SAE 4140 steel exhibits the following mechanical properties:
| Property | Value |
|---|---|
| Tensile Strength | 655 MPa |
| Yield Strength | 415 MPa |
| Elongation | 25.7% |
| Hardness | 197 HB |
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Available Dimensions
SAE 4140 steel plates are available in various sizes to meet diverse application requirements. Common dimensions include thicknesses ranging from 3mm to 50mm, widths from 1000mm to 4500mm, and lengths from 3000mm to 18000mm. Custom sizes can also be provided based on specific needs.
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Applications
Due to its robust mechanical properties, SAE 4140 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
SAE 4140 steel has several equivalent grades across different standards:
| Standard | Grade |
|---|---|
| AISI | 4140 |
| EN | 42CrMo4 |
| DIN | 1.7225 |
| JIS | SCM440 |
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Heat Treatment
SAE 4140 steel can undergo various heat treatment processes to enhance its properties:
- Annealing: Improves machinability and relieves internal stresses.
- Quenching and Tempering: Enhances strength and toughness.
- Normalizing: Refines grain structure and improves uniformity.
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Finding Suppliers in Delhi and Ghaziabad
When searching for SAE 4140 steel plate suppliers in Delhi and Ghaziabad, 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 SAE 4140 steel plates.
By understanding the specifications, properties, and applications of SAE 4140 steel plates, you can make an informed decision when selecting a supplier in the Delhi and Ghaziabad regions.
