Chromoly Tubing Size Chart
The Chromoly Tubing Size Chart helps engineers, fabricators, OEMs, and industrial buyers select the appropriate tube dimensions for demanding applications. AISI 4130 chromoly tubing is widely recognized for its exceptional strength-to-weight ratio, weldability, and mechanical performance.
Siddhgiri Overseas supplies premium quality 4130 chromoly tubing in seamless, welded, and cold drawn conditions with complete traceability and inspection support. Available in multiple outside diameters, wall thicknesses, and custom cut lengths, our tubing solutions support a wide range of engineering requirements.
4130 chromoly steel contains chromium and molybdenum alloying elements that improve hardenability, wear resistance, and structural strength. The material delivers reliable performance in applications requiring high fatigue resistance, impact strength, and dimensional stability.
Our experienced team assists buyers in selecting suitable tube dimensions based on load requirements, fabrication methods, and service conditions. Each tube is supplied with quality documentation and inspection support for dependable project execution.
Siddhgiri Overseas focuses on delivering consistent material quality, technical support, and timely dispatch to meet industrial requirements efficiently.
How To Read The Size Chart
How To Select The Right Chromoly Tube Size
Tube selection depends on outside diameter, wall thickness, weight requirements, and intended application. Larger diameters provide higher structural capacity, while heavier wall thicknesses improve strength and durability.
For fabrication and structural applications, selecting the proper size ensures optimal load distribution, improved fatigue life, and enhanced safety. Engineers often consider bending requirements, welding methods, and service conditions while choosing tubing dimensions.
Siddhgiri Overseas offers technical guidance to help customers select suitable tube sizes for precision engineering applications.
Why Buyers Choose Siddhgiri Overseas
Certified Stock
Material supplied with MTC 3.1, dimensional verification, and traceability documentation.
Custom Sizes
Cut-to-length processing and multiple wall thickness options available.
Inspection Support
Mechanical testing, PMI, and third-party inspection available upon request.
Chromoly Tubing Size Chart
| Outside Diameter (Inch) | Outside Diameter (mm) | Wall (Inch) | Wall (mm) | Approx. Weight (kg/m) |
|---|---|---|---|---|
| 0.750 | 19.05 | 0.065 | 1.65 | 0.70 |
| 1.000 | 25.40 | 0.083 | 2.11 | 1.18 |
| 1.250 | 31.75 | 0.095 | 2.41 | 1.69 |
| 1.500 | 38.10 | 0.095 | 2.41 | 2.06 |
| 1.625 | 41.28 | 0.120 | 3.05 | 2.79 |
| 2.000 | 50.80 | 0.120 | 3.05 | 3.49 |
4130 Chromoly Tube Specifications
4130 chromoly tubing is supplied in seamless, welded, and cold drawn conditions. The alloy combines chromium and molybdenum to provide high strength, improved hardenability, and excellent fatigue resistance.
- Material Grade: AISI 4130 / SAE 4130
- UNS Number: G41300
- Supply Condition: Seamless, Welded, Cold Drawn
- End Finish: Plain End, Beveled End
- Certification: EN 10204 3.1 MTC
- Inspection: PMI, Hardness and Mechanical Testing
- Available Forms: Round, Square and Rectangular Tubes
Mechanical Properties of 4130 Chromoly Tubing
4130 chromoly steel provides excellent tensile strength, yield strength, toughness, and impact resistance. The alloy performs reliably under cyclic loading and demanding service conditions.
- High Strength-to-Weight Ratio
- Excellent Weldability
- Good Machinability
- Superior Fatigue Resistance
- Enhanced Structural Integrity
- Heat Treatable Material
- Long Service Life
Applications of Chromoly Tubing
Chromoly tubing is widely used in aerospace structures, roll cages, industrial machinery, hydraulic systems, structural fabrication, mechanical engineering, and high-performance equipment.
Information Tabs
Applications
4130 chromoly tubing is extensively used in aerospace fabrication, motorsport chassis, industrial machinery, mechanical structures, hydraulic systems, and custom engineering projects requiring high strength and reduced weight.
Quality Assurance
Siddhgiri Overseas supplies material with complete traceability, dimensional verification, and inspection support. Quality procedures ensure consistency in mechanical properties and dimensional tolerances.
Testing and Certification
Available inspection services include PMI testing, hardness testing, chemical analysis, mechanical testing, visual inspection, and EN 10204 3.1 certification support.
Fabrication Support
Custom cut lengths, packaging solutions, and technical assistance are available for OEM buyers, engineering companies, and fabrication workshops.
Frequently Asked Questions
What is 4130 chromoly tubing?
4130 chromoly tubing is a chromium-molybdenum alloy steel known for high strength, toughness, weldability, and excellent fatigue resistance.
What forms of 4130 tubing are available?
4130 tubing is available in seamless, welded, cold drawn, round, square, and rectangular forms.
Can 4130 chromoly tubing be welded?
Yes. 4130 steel offers excellent weldability and can be processed using TIG, MIG, and other suitable welding methods.
Is material supplied with certification?
Yes. Siddhgiri Overseas provides EN 10204 3.1 material test certificates and inspection reports upon request.
Do you provide custom cut lengths?
Yes. Custom cutting and packaging solutions are available to meet project-specific requirements.
What industries use 4130 chromoly tubing?
Industries include aerospace, motorsport, fabrication, industrial machinery, hydraulic systems, and structural engineering.
What inspections are available before dispatch?
PMI testing, hardness testing, dimensional verification, visual inspection, and third-party inspection can be provided.
Why choose Siddhgiri Overseas?
Siddhgiri Overseas offers certified stock, technical expertise, custom sizing, inspection support, and dependable delivery solutions for 4130 chromoly tubing.