Looking for reliable 4130 steel but overwhelmed by all the suppliers out there? Choosing the right factory can make or break your project—quality, pricing, and delivery all depend on it. But with so many options, finding the best one can feel impossible. Imagine the confidence of partnering with a trustworthy supplier, knowing you’ll get top-notch steel exactly when you need it. Ready to take the guesswork out of your search?
Dive in to discover the leading 4130 steel manufacturers and what sets them apart!
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4130 | ALLOY | In Stock | Castle Metals Site
Product Details:
Castle Metals offers 4130 alloy steel products in stock, as part of a broad inventory of specialty metals. 4130 is featured alongside various other alloys, carbon steels, aluminums, stainless steels, nickels, titanium, cast irons, chrome-plated metals, and brass. Castle Metals also provides processing services such as cutting, grinding, heat treating, testing, and machining.
Technical Parameters:
– 4130 alloy steel
– Available in-stock
– Processing services: cutting, grinding, heat treating, testing, machining
Pros:
– Wide range of inventory spanning multiple alloys and metals
– In-stock availability for 4130 alloy
– Comprehensive processing capabilities offered
4130 Steel | 4130 Round Bar | 4130 Flat Bar Supplier – Michlin Metals
Product Details:
Michlin Metals supplies 4130 steel in various industry conditions (Annealed/Normalized, Chrome Moly 4130, CroMoly, Alloy 4130, Condition D, and Condition F), offered as cold finished and alloy materials, and certified to specifications including AMS 6350, AMS 6370, AMS 6371, MIL-S-6758, and MIL-T-6736.
Technical Parameters:
– Material Type: 4130 Steel (Chrome Moly)
– Forms: Sheet-Plate (AMS 6350), Round Bar (AMS 6370), others per specifications
– Chemical Composition: C: 0.28–0.33%, Cr: 0.80–1.1%, Mn: 0.7–0.9%, Mo: 0.15–0
– Certifications: AMS 6350, AMS 6370, AMS 6371, MIL-S-6758, MIL-T-6736
Application Scenarios:
– Aircraft Engine Mounts
– Welded Tubing Applications
Pros:
– Good formability in the annealed condition
– Good general machinability
– Good weldability
Grade 4130 Steel – McMaster-Carr
Product Details:
Easy-to-Weld 4130 Alloy Steel Round Tubes with low carbon content, meeting military specifications (MIL-T-6736) and SAE dimensional standards. Suitable for structural use, available in multiple outer diameters and wall thicknesses with traceable certificates and 3D CAD models.
Technical Parameters:
– Yield Strength: 70,000 psi
– Hardness: Rockwell C20 (as received), up to Rockwell C49 after heat treatment
– Heat Treatable: Yes; maximum hardness achieved after heat treatment
– Tolerance: Tight OD/ID tolerances, e.g., ±0.005” for many sizes; straightness
– Conforms to MIL-T-6736, SAE AMS-T-6736, SAE AMS6360
Application Scenarios:
– Gears
– Fasteners
– Structural applications
Pros:
– Good weldability due to low carbon content
– Meets rigorous military and SAE specifications
– Wide size range with precise tolerances
– Traceable lot certificates and 3D CAD models are available
Cons:
– Some hardness and strength values require post-purchase or reference to
– Not all size/thickness combinations may be stocked at all lengths
4130 (E4130) Steel, 4340 (E4340) Steel: Aircraft Quality Steel – Sheet …
Product Details:
Benedict-Miller supplies certified aircraft quality 4130 (E4130) and 4340 (E4340) steel in sheet, plate, and round bar forms. Products can be cut and finished to customer specifications with fast worldwide delivery.
Technical Parameters:
– 4130 (E4130) and 4340 (E4340) designation indicating specific alloy steel types
– Products available as sheet, plate, and round bar
– Custom cutting and finishing to customer specifications
– Certified for aircraft quality standards
Application Scenarios:
– Aerospace industry (OEMs, distributors, service centers)
– Automotive and auto racing industries
– Off-road, transportation, and construction sectors
– Tool and die shops, defense, alternative energy, and business owners in various
Pros:
– Large nationwide inventory of 4130 and 4340 steel products
– Fast turnaround with worldwide shipping, often within a day or two
– Certified aircraft quality materials with quality guaranteed
– Personalized customer service and custom supply chain management solutions
4130 Alloy Steel – 4140 & 4340 Alloy Steel – Fox Metals and Alloys
Product Details:
Fox Metals supplies fully certified alloy steels in round bar, flat bar, and plate forms. Stocked grades include 4130, 4140, 4145, 4330 V-Mod, 4340, 8630, and ASTM A182 F22, with a range of sizes and heat treatments tailored to meet demanding industry standards.
Technical Parameters:
– 4130: Meets API 6A 21st/20th Edition; normalized, quenched & tempered bars
– 4140: Hot rolled & NQT bars, 30-36 HRC, meets/exceeds P-110; ultrasonic testing
– 4340: Exceeds AISI chemistry, certified to API 6A, AMS2301J, AMS6415; 60-140ksi
– 8630: NQT to 18-22RC (NACE) or 30-36RC (high property); considered a higher
Application Scenarios:
– Oil & gas: wellhead, wireline, reamer, valves, fasteners, drilling tools.
– Mining: mining equipment, gears, sprockets, shafting, pinions.
– Industrial manufacturing: molds, paper mill rolls, couplings.
– High-temperature or corrosive service: piping components, flanges, fittings,
Pros:
– Comprehensive inventory of certified alloy steels in multiple sizes and
– Meets or exceeds rigorous industry standards (API, NACE, AMS) with tested and
– Value-added steel services: trepanning, boring, honing, heat treating,
– Expertise in servicing demanding sectors like oil & gas, mining, and power
Cons:
– Product focus is on bar and plate forms; some specialty shapes or other metals
– High-performance alloys and certifications may come at a premium cost.
– Specific availability of grades or sizes not guaranteed for all customer needs.
Alloy 4130 Steel Suppliers – Thomasnet
Product Details:
Supplier of 4130 alloy steel available in various forms including sheets, bars, tubes, plates, and rods. Offers custom cutting, forming, and secondary operations, with stock and custom lengths. 4130 alloy steel is a low-alloy steel containing chromium and molybdenum.
Technical Parameters:
– Forms: sheet, bar, tube, plate, rod
– Material: 4130 alloy steel (chromium-molybdenum alloy)
– Stock and custom lengths available
– Additional services: custom cutting, forming, and secondary operations
Application Scenarios:
– Aerospace components
– Automotive parts
– Oil and gas equipment
– General fabrication requiring high strength-to-weight ratio
Pros:
– High strength-to-weight ratio
– Good weldability and machinability
– Available in multiple forms and customizable lengths
– Suitable for demanding industrial applications
Cons:
– May require post-weld heat treatment to achieve optimal properties
– Corrosion resistance is limited unless further treated or coated
4130 Chromoly Steel Tubing – Industrial Metal Supply
Product Details:
Industrial Metal Supply offers Steel 4130 Chromoly Round Tubing, available in various lengths, diameters, and thicknesses. Chromoly is a popular high-strength alloyed steel used for structural applications.
Technical Parameters:
– Lengths: 8′ – 12′, 288″ (24 feet), and random lengths
– Wall thicknesses: .065″, .083″, .095″, .120″, .156″, .188″
– Diameters: 1/2″, 3/4″, 1″, 1-1/4″, 1-1/2″, 1-3/4″, 2″
– Material: 4130 Chromoly Steel (Chromium-Molybdenum alloy)
Application Scenarios:
– Structural applications requiring high strength-to-weight ratio
– Automotive and motorsports chassis fabrication
– Aerospace frames and components
– General industrial applications where durability and weldability are important
Pros:
– High strength and durability due to Chromoly alloy composition
– Available in multiple lengths, thicknesses, and diameters for flexible use
– Good weldability compared to many high-strength steels
Cons:
– May be more expensive than standard steel due to alloy content
– Requires specific knowledge for welding and fabrication for best results
Alloy Steel Bar Cut to Size – Ryerson
Product Details:
Ryerson supplies a range of alloy steel bars, including round, hexagon, flat, and square bar shapes, manufactured to precise industry specifications. These bars are used in demanding industrial and machining environments.
Technical Parameters:
– Available shapes: round, hexagon, flat, and square bars
– Meets industry standards such as ASTM, SAE, and AISI
– Offered in multiple grades including 4140, 4150, 4340, 8620, and 9310
– Sizes and lengths available to meet custom requirements
Application Scenarios:
– Machinery and equipment components
– Oil and gas industry parts
– Automotive and heavy truck manufacturing
– Construction and structural applications
Pros:
– High strength-to-weight ratio
– Excellent machinability and toughness
– Wide selection of shapes, grades, and sizes
– Suitable for demanding and high-stress applications
Cons:
– May require specialized machining or heat treatment
– Generally costlier than standard carbon steel bars
4130 Hot Rolled Steel Bar
Product Details:
Eaton Steel Bar Company offers 4130 Hot Rolled Steel Bar (also known as 4130 Round Steel Bar), a steel bar product with noted weldability and mechanical properties. The product is part of their hot rolled SBQ (Special Bar Quality) offerings and is available in various diameters.
Technical Parameters:
– Grade: 4130 Hot Rolled Steel (Chromoly Steel)
– Good weldability
– Good mechanical properties
– Available in multiple diameters
Application Scenarios:
– Hydraulic fittings
– Automotive industry components
– Oil, Gas, and Energy sector uses
– Military and firearms manufacturing
Pros:
– Good weldability for fabrication and assembly
– Strong mechanical properties provide durability
– Available in a range of diameters to suit different uses
4130 Alloy Steel – Rickard Metals
Product Details:
Rickard Specialty Metals offers AISI 4130 alloy steel (also known as SAE 4130), a chromium-molybdenum low-alloy steel, supplied in various forged shapes and product forms such as round bar, flat bar, sheet, plate, extrusion, bilet, ingot, discs, rings, and machined parts. They provide custom measurements and shapes, with processes including open die forging and ring rolling.
Technical Parameters:
– Chemical composition nominal values: C .28–.33, Mn .40–.60, P .035 max, S .040
– Meets industry standards/specifications such as: AISI 4130, AMS 6348/6350/6351/e
– Product forms offered: Round Bar, Flat Bar, Rectangular Bar, Rolled Rings,
Application Scenarios:
– Aerospace industry: commercial and military aircraft parts requiring high
– Automotive parts
– Cutting tools
– Drill mining machinery
Pros:
– Higher strength and toughness compared to typical steel grades
– Improved weldability over 4140 steel due to reduced carbon content
– Versatility in product forms and customizability
– Suitable for high strength, low weight applications
Cons:
– Reduced carbon limits thickness strength compared to 4140 steel
Comparison Table
| Company | Product Details | Pros | Cons | Website |
|---|---|---|---|---|
| 4130 | ALLOY | In Stock | Castle Metals Site | Castle Metals offers 4130 alloy steel products in stock, as part of a broad |
| 4130 Steel | 4130 Round Bar | 4130 Flat Bar Supplier – Michlin Metals | Michlin Metals supplies 4130 steel in various industry conditions | Good formability in the annealed condition Good general machinability Good |
| Grade 4130 Steel – McMaster-Carr | Easy-to-Weld 4130 Alloy Steel Round Tubes with low carbon content, meeting | Good weldability due to low carbon content Meets rigorous military and SAE | Some hardness and strength values require post-purchase or reference to | www.mcmaster.com |
| 4130 (E4130) Steel, 4340 (E4340) Steel: Aircraft Quality Steel – Sheet … | Benedict-Miller supplies certified aircraft quality 4130 (E4130) and 4340 | Large nationwide inventory of 4130 and 4340 steel products Fast turnaround with | www.benedict-miller.com | |
| 4130 Alloy Steel – 4140 & 4340 Alloy Steel – Fox Metals and Alloys | Fox Metals supplies fully certified alloy steels in round bar, flat bar, and | Comprehensive inventory of certified alloy steels in multiple sizes and | Product focus is on bar and plate forms; some specialty shapes or other metals | foxmetals.com |
| Alloy 4130 Steel Suppliers – Thomasnet | Supplier of 4130 alloy steel available in various forms including sheets, bars, | High strength-to-weight ratio Good weldability and machinability Available in | May require post-weld heat treatment to achieve optimal properties Corrosion | www.thomasnet.com |
| 4130 Chromoly Steel Tubing – Industrial Metal Supply | Industrial Metal Supply offers Steel 4130 Chromoly Round Tubing, available in | High strength and durability due to Chromoly alloy composition Available in | May be more expensive than standard steel due to alloy content Requires | www.industrialmetalsupply.com |
| Alloy Steel Bar Cut to Size – Ryerson | Ryerson supplies a range of alloy steel bars, including round, hexagon, flat, | High strength-to-weight ratio Excellent machinability and toughness Wide | May require specialized machining or heat treatment Generally costlier than | www.ryerson.com |
| 4130 Hot Rolled Steel Bar | Eaton Steel Bar Company offers 4130 Hot Rolled Steel Bar (also known as 4130 | Good weldability for fabrication and assembly Strong mechanical properties | www.eatonsteel.com | |
| 4130 Alloy Steel – Rickard Metals | Rickard Specialty Metals offers AISI 4130 alloy steel (also known as SAE 4130), | Higher strength and toughness compared to typical steel grades Improved | Reduced carbon limits thickness strength compared to 4140 steel | rickardmetals.com |
Frequently Asked Questions (FAQs)
What should I consider when choosing a 4130 steel supplier or manufacturer?
Look for suppliers with strong reputation, certifications (such as ISO), quality control processes, competitive pricing, and good communication. Also, consider their production capabilities, lead times, and ability to provide the specific sizes, forms, and grades of 4130 steel you need.
How can I verify the quality of a 4130 steel supplier?
Request mill test certificates, material traceability documents, and ask about their quality assurance processes. Reading customer reviews and asking for references can also help you gauge their reliability and product quality.
Is it better to choose a local or international 4130 steel manufacturer?
Local suppliers often offer faster delivery and easier communication, while international manufacturers may provide better pricing on large orders. Consider your project timeline, shipping costs, and potential tariffs when making your decision.
What are typical minimum order quantities (MOQs) for 4130 steel?
MOQs vary depending on the manufacturer and the product form (bar, sheet, tube, etc.). Some suppliers allow small quantities, but most factories set MOQs to optimize production. Always ask about MOQs upfront to ensure they align with your needs.
How do I ensure a supplier can meet my custom requirements for 4130 steel?
Communicate your exact specifications, including dimensions, mechanical properties, and surface finishes. Work with suppliers experienced in custom orders, and ask for prototypes or samples to confirm they can meet your standards before placing a large order.