Aircraft Quality 4130 Round Bar | Chrome-Molybdenum Steel Supplier

Explore our comprehensive selection of 4130 round bar chrome-molybdenum steel, engineered for demanding aerospace and industrial applications. This versatile alloy steel (0.95Cr 0.20Mo) delivers exceptional strength, superior weldability, and outstanding toughness for critical high-performance components. Available in bars, tubing, forgings, and rings meeting AMS, MIL-SPEC, and DMS specifications for aircraft quality requirements.

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Our Range of 4130 Products

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Frequently Asked Questions

What are the key properties of 4130 chrome-molybdenum steel?

4130 steel offers exceptional strength-to-weight ratio, superior weldability, excellent toughness, and outstanding fatigue resistance, making it ideal for critical aerospace structural components and high-performance applications.

What AMS specifications does your 4130 steel meet?

Our 4130 steel meets multiple AMS specifications including AMS 6346, AMS 6348, AMS 6370, AMS 6360, AMS 6361, and AMS 6362, as well as military specifications like MIL-S-6758 for aircraft quality requirements.

What forms of 4130 steel do you supply?

We supply 4130 steel in multiple forms including round bars, seamless tubing, forgings, rings, and reforging stock to meet diverse aerospace and industrial application requirements.

What heat treatment conditions are available for 4130 steel?

We offer 4130 steel in various heat treatment conditions including normalized, hardened and tempered (125 ksi and 150 ksi tensile strength), and stress-relieved conditions to match your specific application requirements.

Can you provide custom cut sizes for 4130 round bar?

Yes, we provide quick response to custom cut and odd size requests, along with value-added services including precision grinding, trepanning, and milling for your specific project requirements.

What is the typical composition of 4130 steel?

4130 steel contains 0.95% Chromium, 0.20% Molybdenum, and 0.28-0.33% Carbon, providing optimal balance of strength, ductility, and weldability for aerospace and structural applications.

Do you provide material certifications for 4130 steel?

Yes, all our 4130 steel products come with full material certifications and traceability documentation meeting ISO 9001 and AS 9100 requirements for aerospace and critical applications.

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Industries We Serve

Aerospace

Aircraft structural components, landing gear, engine mounts, and critical airframe parts requiring exceptional strength and reliability.

Automotive Racing

High-performance racing chassis, roll cages, suspension components, and drive shafts requiring superior strength-to-weight ratio.

Oil & Gas

Drill collars, tool joints, and downhole components requiring high strength and excellent fatigue resistance in demanding environments.

Defense

Military vehicle components, weapons systems, and critical defense structures requiring certified aircraft-quality materials.

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Why aerospace professionals choose Aero-Vac Alloys & Forge, Inc.

ISO & AS Certified Operations

ISO 9001 and AS 9100 certified manufacturing distributor ensuring the highest quality standards for critical aerospace and industrial applications.

Global Shipping Capabilities

Experienced exporters with worldwide shipping capabilities and multilingual service support to serve international customers effectively.

Quick Turnaround Times

Alternative to long lead times from mills with quick response to custom cut requests and just-in-time delivery capabilities for urgent requirements.

Get Your Custom 4130 Steel Quote in 24 Hours

Our certified specialists will provide detailed specifications, pricing, and delivery options tailored to your exact requirements.

For immediate assistance, feel free to give us a direct call at 877-237-6822

Aircraft Quality 4130 Round Bar | Chrome-Molybdenum Steel Supplier

Our Range of 4130 Products

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