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4130 Chromoly Tube
Explore the versatility and strength of 4130 chromoly tube, widely recognized in the metal and steel industry for its exceptional durability and weldability. Ideal for demanding applications, chromoly pipes and tubes offer superior performance for both structural and mechanical uses. Discover more about their benefits and specifications—submit your enquiry today.
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4130 Chromoly tube is a popular choice in the metal and steel industry because of its unique combination of strength, light weight, and versatility. Made from a blend of chromium and molybdenum alloyed with steel, this tubing is widely used in applications where reliable performance and durability matter most. Whether you’re working on building race car frames, aircraft structures, or bicycle parts, 4130 Chromoly tube offers a balance of toughness and easy workability that makes it stand out from other materials. Its ability to handle stress and resist wear means it’s trusted by professionals and hobbyists alike. In this guide, we’ll explore what makes 4130 Chromoly tube special, where it’s commonly used, and why it’s a smart choice for many metal and steel projects. If you’re new to this material or just want to learn more, you’re in the right place to get started.
Key Properties of 4130 Chromoly Tube
4130 Chromoly Tube is a widely used alloy steel tube prized for its high strength-to-weight ratio and excellent weldability. This material is commonly found in applications such as bicycle frames, race car chassis, aircraft components, and other structural projects requiring a combination of durability and reduced weight. Below is a technical specification table highlighting key properties and attributes often considered when evaluating this alloy:
| Specification | Description |
|---|---|
| Material Standard | ASTM A519, SAE 4130 |
| Chemical Composition | Approx. 0.28–0.33% C, 0.80–1.10% Cr, 0.15–0.25% Mo |
| Tensile Strength | Typically 90,000–110,000 psi (varies with heat treatment) |
| Yield Strength | Typically 75,000–85,000 psi |
| Elongation | Approximately 20% in 2 inches |
| Hardness | 197–217 HB (annealed condition) |
| Weldability | Excellent, often requires pre- and post-weld heat treatment |
| Formability | Good, can be bent and formed with appropriate processes |
| Common Sizes | Available in a range of wall thicknesses and diameters |
| Surface Finish | As-rolled, normalized, or cold-drawn finishes |
When selecting a 4130 Chromoly Tube, it is essential to review these technical aspects to ensure suitability for the intended application. This alloy's versatility and mechanical properties make it a preferred choice in demanding environments where both strength and weight reduction are critical.
4130 Chromoly Tube is a versatile alloy steel material widely used in industries such as aerospace, motorsports, and structural engineering due to its excellent strength-to-weight ratio and weldability. Below is a technical specification table outlining key attributes commonly associated with this material.
| Specification | Description |
|---|---|
| Material Composition | Alloy steel containing approximately 0.30% carbon, 1.0% chromium, and 0.20% molybdenum |
| Yield Strength | Typically around 63,000 psi (434 MPa) in normalized condition |
| Tensile Strength | Approximately 90,000 psi (621 MPa) in normalized condition |
| Elongation at Break | 20% minimum (varies with processing) |
| Hardness | Rockwell B 92 maximum (varies by temper and condition) |
| Density | 7.85 g/cm³ |
| Weldability | Good, typically requires pre- and post-weld heat treatment for critical applications |
| Forming | Can be cold-formed and machined with appropriate tooling |
| Common Standards | Conforms to ASTM A519, SAE 4130, and other relevant specifications |
| Applications | Used for roll cages, aircraft components, bicycle frames, and high-performance structures |
When researching suppliers or evaluating options for 4130 Chromoly Tube, it is essential to consider these technical specifications to ensure suitability for the intended application.
How to Choose the Right 4130 Chromoly Tube
- Wall Thickness & Diameter: Different applications require specific dimensions for safety and efficiency, especially in motorsports, aerospace, and structural frameworks.
- Heat Treatment: Some projects may benefit from normalized or quenched and tempered tubes, impacting both strength and ductility.
- Compliance Standards: Look for tubes that meet industry specifications such as ASTM A519 or AMS-T-6736 to ensure quality and consistency.
- Surface Finish: Consider whether a seamless or welded finish is more suitable based on the intended use and aesthetic requirements.
Material Composition of 4130 Chromoly Tube
| Element | Content (%) |
|---|---|
| Carbon (C) | 0.28 – 0.33 |
| Chromium (Cr) | 0.80 – 1.10 |
| Molybdenum (Mo) | 0.15 – 0.25 |
| Manganese (Mn) | 0.40 – 0.60 |
| Iron (Fe) | Balance |
Frequently Asked Questions
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