Send Message
Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.
Aisi 4130 Steel Tube
Related Products
What Is AISI 4130 Steel Tube?
AISI 4130 steel tube is a low-alloy structural tubing renowned for its exceptional strength-to-weight ratio and weldability. Composed primarily of chromium and molybdenum, this material offers superior mechanical properties compared to standard carbon steels like AISI 1020.
For industrial procurement, AISI 4130 chromoly tubing is the preferred choice when reducing overall weight without compromising structural integrity is critical. Its unique alloy composition allows for heat treatment, providing high tensile strength and toughness, making it ideal for demanding applications in aerospace, automotive racing, and heavy machinery where reliability under stress is paramount.
Why Choose Shaanxi Jiade Group for Alloy Steel Tubes?
Massive Production Capacity
With an annual output capacity of up to 600,000 tons across our 200,000 square meter factory, we ensure consistent supply for large-scale orders. Our fixed assets of 120 million USD support continuous investment in modern manufacturing technology.
Global Standards Compliance
Our AISI 4130 steel tubes are manufactured strictly in compliance with ASTM, ANSI, DIN, and JIS standards. This ensures that every batch meets international quality benchmarks, simplifying your import and certification processes.
Decades of Expertise
Since 2005, Shaanxi Jiade Group has specialized in complex steel processing. With over 400 employees and deep technical knowledge, we provide reliable solutions for even the most specific alloy requirements.
Versatile Supply Chain
We produce seamless, ERW, and SAW pipes in various alloys. Sourcing AISI 4130 from us means consolidating multiple suppliers into one reliable partner, reducing administrative overhead and logistics complexity.
Quality Control & Manufacturing Process
Precision Alloy Composition
The production of AISI 4130 steel tubes involves strict control over chromium (0.80-1.10%) and molybdenum (0.15-0.25%) content. Our laboratory testing ensures chemical consistency across all batches, preventing weak points in the final product.
Advanced Processing
Utilizing modern facilities covering 200,000 square meters, we employ advanced rolling and drawing techniques. Whether producing seamless or welded variants, every tube undergoes rigorous dimensional checks to meet tight tolerances required by precision engineering.
Mechanical Performance
Our tubes deliver excellent tensile strength and fatigue resistance. The material's ability to be normalized and tempered allows us to tailor mechanical properties to your specific load-bearing requirements.
- High yield strength for structural safety
- Excellent machinability for fabrication
- Superior corrosion resistance compared to plain carbon steel
How to Choose AISI 4130 Steel Tube Suppliers
Verify Technical Certifications
Ensure your supplier can provide Mill Test Certificates (MTC) confirming compliance with ASTM A519 or equivalent standards. Look for suppliers who explicitly state adherence to ASTM, ANSI, or DIN specifications for 4130 chromoly steel.
Assess Production Scale
Large-scale manufacturers like Shaanxi Jiade Group offer better price stability and inventory availability. Verify their annual tonnage capacity and factory size to ensure they can handle your volume requirements without outsourcing.
Evaluate Surface Finish Options
Depending on your application, you may need blackened, polished, or oiled surfaces. Confirm that your supplier offers these finishing options as part of their standard process to save you secondary processing time.
Buyer Decision Checklist for Alloy Tubing
Material Verification
Before finalizing your order, verify the following:
- Confirm the exact grade is AISI 4130 (Chromium-Molybdenum).
- Check if the tube is specified as seamless or welded based on pressure needs.
- Verify heat treatment status (Normalized, Quenched & Tempered).
Logistics & Packaging
To protect the alloy surface during transit:
- Request anti-rust oil coating or protective plastic capping.
- Ensure bundles are securely palletized for container loading.
- Clarify Incoterms (FOB/CIF) to calculate total landed cost accurately.
Common Procurement Problems with Steel Tubes
Dimensional Inconsistency
Problem: Tubes arriving with out-of-tolerance outer diameters or wall thicknesses.
Solution: Work with manufacturers who use automated online gauging systems during production to maintain strict tolerances.
Surface Defects
Problem: Scratches, pits, or uneven oxidation affecting aesthetics or function.
Solution: Specify surface finish requirements clearly in the purchase order and request pre-shipment photos of the finished goods.
Heat Treatment Variance
Problem: Inconsistent hardness levels leading to machining difficulties or premature failure.
Solution: Require proof of heat treatment cycles in the Mill Test Certificate and consider third-party inspection for large orders.
Supply Chain Delays
Problem: Long lead times disrupting production schedules.
Solution: Partner with suppliers who maintain significant raw material stock and have proven track records of on-time delivery, such as those with high annual output capacities.
Industry Applications of AISI 4130
Structural & Construction
Due to its high strength and weldability, AISI 4130 is extensively used in exhibition centers, bridge building, and steel structures. It provides the necessary durability for load-bearing components while allowing for efficient fabrication.
Automotive & Aerospace
The low density combined with high tensile strength makes it ideal for roll cages, suspension components, and aircraft landing gear. Engineers choose 4130 chromoly to reduce vehicle weight and improve fuel efficiency without sacrificing safety.
Oil & Gas Industry
Used in petroleum casing and vessel construction, these tubes withstand high pressures and corrosive environments. Shaanxi Jiade Group's expertise in API-compliant piping ensures reliability in energy sector projects.
Frequently Asked Questions About AISI 4130
What is the difference between AISI 4130 and 1020 steel tube?
AISI 4130 contains chromium and molybdenum, giving it significantly higher strength and hardenability than standard 1020 carbon steel. While 1020 is easier to form, 4130 is chosen when weight reduction and higher load-bearing capacity are required. Both are weldable, but 4130 often requires pre-heating and post-weld heat treatment for optimal results.
Can AISI 4130 steel tube be heat treated?
Yes, one of the primary advantages of AISI 4130 is its response to heat treatment. It can be normalized, quenched, and tempered to achieve desired mechanical properties such as increased tensile strength and toughness. This allows manufacturers to tailor the tube's performance to specific engineering needs.
Is AISI 4130 suitable for welding?
Absolutely. AISI 4130 is known for its good weldability compared to other alloy steels. It is widely used in applications requiring complex welded structures, such as space frames and roll cages. Proper welding techniques, including the use of compatible filler metals (like ER80S-D2), ensure strong, durable joints.
What standards does Shaanxi Jiade Group follow for alloy tubes?
We manufacture according to international standards including ASTM, ANSI, DIN, and JIS. For structural seamless steel tubes, we typically adhere to ASTM A519. Our quality control system ensures that every shipment meets the specified chemical and mechanical requirements of these standards.