4130 Alloy Tubing Overview
4130 Alloy Tubing is a chromium-molybdenum low alloy steel tubing widely used in aerospace, motorsport, automotive, fabrication, and industrial engineering applications. Commonly known as 4130 Chromoly Tubing, the material offers an excellent combination of strength, toughness, weldability, and durability.
Siddhgiri Overseas supplies 4130 Chromoly Tubing for customers seeking dependable material quality, documentation support, and reliable supply solutions. The material is suitable for applications where lightweight construction and high mechanical performance are important.
The addition of chromium and molybdenum improves hardenability, wear resistance, and fatigue performance while maintaining good machinability and fabrication characteristics. These advantages make 4130 Alloy Tubing one of the most trusted alloy steel grades used across multiple industries.
Types of 4130 Chromoly Tubing Available
4130 Seamless Tubing
Preferred for applications requiring uniform mechanical properties and reliable performance.
4130 Welded Tubing
Suitable for fabrication, engineering, and structural applications.
4130 Mechanical Tubing
Used in machinery, hydraulic systems, and engineered assemblies.
4130 Chromoly Tubing Specifications
| Specification | Details |
|---|---|
| Material Grade | AISI 4130 Chromium Molybdenum Alloy Steel |
| Standards | ASTM A29, ASTM A519 and related specifications |
| Manufacturing Types | Seamless, ERW, Welded and Fabricated Tubing |
| Tube Forms | Round, Hydraulic and Custom Profiles |
| Supply Condition | Hot Finished, Cold Finished and Annealed |
| Documentation | Material Test Certificates and Inspection Reports |
AISI 4130 Chemical Composition
AISI 4130 derives its performance from a balanced combination of carbon, chromium, molybdenum, manganese, and silicon. Chromium improves wear resistance and hardenability, while molybdenum contributes to strength and elevated temperature performance.
The controlled alloy composition provides an excellent balance of strength, toughness, weldability, and fatigue resistance, making 4130 Chromoly suitable for demanding industrial and engineering applications.
| Element | Role in Material Performance |
|---|---|
| Carbon | Contributes to strength and hardness. |
| Chromium | Improves wear resistance and hardenability. |
| Molybdenum | Enhances strength and toughness. |
| Manganese | Improves hardenability and durability. |
| Silicon | Supports strength and deoxidation. |
| Iron | Forms the primary base metal. |
AISI 4130 Mechanical Properties
AISI 4130 is recognized for its high strength-to-weight ratio and dependable mechanical performance. The material combines strength, toughness, ductility, and fatigue resistance, making it suitable for structural and engineering applications.
| Property | Description |
|---|---|
| Strength | Provides reliable load-bearing capability. |
| Toughness | Maintains integrity under demanding conditions. |
| Weldability | Supports conventional fabrication processes. |
| Fatigue Resistance | Suitable for cyclic loading applications. |
| Machinability | Allows efficient manufacturing operations. |
| Heat Treatment Response | Can achieve different performance levels. |
4130 Equivalent Material
AISI 4130 is internationally recognized and commonly referenced through equivalent material standards used in engineering and manufacturing industries worldwide.
| Standard | Equivalent Grade |
|---|---|
| UNS | G41300 |
| Werkstoff | 1.7218 |
| EN | 25CrMo4 |
| JIS | JIS G4105 |
| BS | BS 970 |
Information Tabs
Quality Documentation and Testing
Siddhgiri Overseas supplies 4130 Chromoly Tubing with complete documentation and inspection support for industrial and engineering applications.
- Material Test Certificates
- Chemical Analysis Reports
- Mechanical Testing Reports
- Dimensional Inspection Reports
- Positive Material Identification
- Hardness Testing
- Visual Inspection
- Third Party Inspection Support
- Heat Number Traceability
Applications of 4130 Alloy Tubing
Aerospace Industry
Aircraft structures and engineered components.
Motorsport Applications
Roll cages, chassis systems, and racing fabrication.
Automotive Engineering
Performance vehicle and structural applications.
Hydraulic Systems
Pressure handling and fluid power applications.
Industrial Machinery
Engineering systems and equipment manufacturing.
Structural Fabrication
Custom assemblies and load-bearing structures.
Frequently Asked Questions
What is 4130 Alloy Tubing used for?
4130 Alloy Tubing is commonly used in aerospace, motorsport, automotive, hydraulic, industrial, and structural applications.
What is the equivalent material for AISI 4130?
Equivalent grades include UNS G41300, 25CrMo4, 1.7218, BS 970, and JIS G4105.
Does 4130 Chromoly offer good weldability?
Yes. The material provides excellent weldability and fabrication characteristics when proper procedures are followed.
Do you provide material certification?
Yes. Material Test Certificates and inspection documentation can be supplied with orders.