SAE 4140 steel is an alloy steel widely used in oil & gas, forging, and heavy industries due to its toughness, fatigue resistance, and versatility. California’s diverse industrial base requires dependable sources of SAE 4140 steel.
What is SAE 4140 Steel?
- Alloy steel containing chromium, molybdenum, and manganese.
- Excellent strength and toughness.
- Suitable for heat treatment and hardening.
Chemical Composition
| Element | Percentage (%) |
| Carbon (C) | 0.38 – 0.43 |
| Chromium (Cr) | 0.75 – 1.00 |
| Molybdenum (Mo) | 0.15 – 0.25 |
| Manganese (Mn) | 0.75 – 1.00 |
Mechanical Properties
| Property | Typical Range |
| Tensile Strength | 655 – 860 MPa |
| Yield Strength | 415 – 655 MPa |
| Hardness (HB) | 197 – 269 |
| Elongation | 20 – 30% |
Applications in California Industries
- Oil & gas drilling equipment.
- Forged automotive and aerospace parts.
- Heavy machinery components.
Table: Overview of Leading Indian SAE 4140 Exporters
| Exporter Name | Key Strengths | Certifications | Export Experience to California |
| Exporter 1 | Large-scale production | ASTM, ISO | 10+ years |
| Exporter 2 | Advanced testing labs | ISO, API | 8 years |
| Exporter 3 | Competitive pricing | ASTM | 7 years |
| Exporter 4 | Wide product range | ISO | 5 years |
| Exporter 5 | Strong logistics network | ASTM, API | 6 years |
(Note: This table is illustrative, focusing on qualities common to top Indian exporters.)
Why California Manufacturers Import from India?
- Cost-effective sourcing for large volumes.
- Certified quality ensuring compliance with U.S. standards.
- Efficient logistics connecting Indian ports to California.
Summary
California’s industrial sectors benefit from India’s strong SAE 4140 steel export market. Top Indian exporters provide certified, high-quality steel with competitive pricing, supporting diverse applications in oil & gas, forging, and heavy industry.
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