Are you in the market for high-quality 4340 steel? With so many suppliers out there, how do you choose the best? Understanding the top factories can save you time and money. Join us as we explore the best options available, helping you make an informed decision. Let’s dive in!
4340 | ALLOY | In Stock – Castle Metals Site
Product Details: 4340 Alloy Steel, available in various shapes including round bars and plates.
Technical Parameters:
– Specifications: ASTM.A322, ASTM.A29, UNS.G43400, AISI.4340
– Condition: CF, ANN, AQ, AMS 6415
Application Scenarios:
– Used in aerospace applications
– Suitable for industrial machinery and equipment
Pros:
– High strength and toughness
– Good fatigue resistance
Cons:
– Requires heat treatment for optimal properties
– Can be more expensive than lower-grade alloys
4340 (E4340) Alloy Steel – Benedict-Miller
Product Details: AISI 4340 (E4340) alloy steel is a medium carbon, low alloy steel known for its toughness and strength. It is typically machined in the annealed condition and offers good ductility, allowing it to be bent or formed. It is available in plate and round bar forms.
Technical Parameters:
– Carbon: 0.38/0.43%
– Nickel: 1.65/2.00%
Application Scenarios:
– Used primarily for structural applications such as aircraft landing gears.
– Manufacturing of structural parts like gears, sprockets, chucks, molds, and more…
Pros:
– High toughness and strength.
– Good ductility in the annealed condition.
Cons:
– Limited information on specific drawbacks.
– Requires machining in the annealed condition.
4340 Alloy Steel – Rickard Metals
Product Details: 4340 alloy steel (AISI 4340) is a low alloy steel known for its high toughness in an annealed state, outstanding ductility, formability, and weldability.
Technical Parameters:
– Nominal Composition: C .38 – .43, Cr .7 – .9, Mn .6 – .8, Mo .2 – .3, Ni 1.65 –…
– Standard Specifications: AISI 4340, AMS 6359, ASTM A711, and more.
Application Scenarios:
– Power transmission gears and shafts
– Aircraft parts and machinery
Pros:
– High toughness and ductility
– Excellent weldability and formability
Cons:
– May require heat treatment for optimal performance
– Not suitable for all environmental conditions
Grade 4340 Steel – McMaster-Carr
Product Details: High-Strength 4340 Alloy Steel Rods
Technical Parameters:
– Yield Strength: 68,000 psi
– Hardness: Rockwell C20 (Hard)
Application Scenarios:
– Power transmission applications
– Structural applications involving extreme impact, heat, and wear
Pros:
– High yield strength suitable for demanding applications
– Heat treatable for enhanced performance
Cons:
– Not rated for maximum hardness after heat treatment
– Limited compliance with REACH regulations
4130 Alloy Steel – 4140 & 4340 Alloy Steel – Fox Metals and Alloys
Product Details: Fox Metals offers a range of alloy steels including 4130, 4140, 4145, 4330 V-Mod, 4340, 8630, and ASTM A182/ASTM A182M Grade F22, available in various sizes and conditions.
Technical Parameters:
– 4130: 75ksi minimum yield, 95ksi minimum tensile, NACE hardness range of 18 to 2…
– 4140: 30-36 HRC, ultrasonic testing on all heat treated bars
Application Scenarios:
– Wellhead components
– Mining equipment
Pros:
– High-quality materials for productive results
– Wide range of sizes and conditions available
Cons:
– Limited information on specific grades’ drawbacks
– Potentially higher cost due to quality assurance measures
4340 Round Bar | 4340 Steel Supplier | 4340 Tubing | 4340 Plate
Product Details: 4340 Round Bar and Tubing
Technical Parameters:
– Industry Names: 4340 AQ, E4340, 300M, Alloy 4340, Aircraft Quality 4340, 4340 VA…
– Specifications: AMS 2301, AMS 6359 (Plate), AMS 6414 (Round Bar), AMS 6415 (Roun…
Application Scenarios:
– Aircraft Landing Gear
– Power Transmission Gears and Shafts
– Structural Parts
Pros:
– Good Toughness
– High Strength in the Heat Treated Condition
Cons:
– Generic placeholder for cons
– Generic placeholder for cons
4340 Steel Bar Stock | 4340 Suppliers | King Steel Corp
Product Details: 4340-alloy steel bar composed of nickel, chromium, molybdenum alloy, recognized for its durability and ability to achieve great strength when heat-treated.
Technical Parameters:
– Size ranging from .250″ to 15″
– Chemical Properties: Carbon 0.38 – 0.43, Manganese 0.60 – 0.80, Phosphorus (max)…
Application Scenarios:
– Aerospace: Used in landing gear and aircraft structural parts.
– Automotive: Ideal for high-stress parts in performance vehicles.
Pros:
– Excellent strength-to-weight ratio.
– Exceptional toughness and ability to withstand extreme conditions.
Cons:
– May require heat treatment for optimal performance.
– Potentially higher cost compared to standard steel grades.
4130 (E4130) Steel, 4340 (E4340) Steel: Aircraft Quality Steel – Sheet …
Product Details: 4130 (E4130) and 4340 (E4340) Aircraft Quality Steel available in sheet, plate, and round bar forms.
Technical Parameters:
– Aircraft Quality
– Available in various sizes and specifications
Application Scenarios:
– Aerospace industry
– Automotive and auto racing
Pros:
– Large inventory available nationwide
– Fast delivery, often within a day or two
Cons:
– Limited information on specific mechanical properties
– Potentially higher cost compared to non-aircraft quality steel
4340 Steel Supplier with Proven Industry Standards – AoboSteel
Product Details: 4340 steel is a strong, durable low-alloy steel known for its toughness and fatigue resistance, suitable for aerospace, automotive, and heavy machinery applications.
Technical Parameters:
– Chemical Composition: Carbon (C) 0.38 – 0.43%, Chromium (Cr) 0.70 – 0.90%, Nicke…
– Heat Treatment: Normalizing, Annealing, Quenching, Tempering, Spheroidizing, Str…
Application Scenarios:
– Aerospace Industry: Used for aircraft landing gear, engine parts, and fasteners.
– Automotive Industry: Applied in transmission gears, bearings, crankshafts, and c…
Pros:
– High strength and reliability.
– Excellent fatigue resistance.
Cons:
– Requires careful heat treatment to achieve desired properties.
– May be more expensive than lower-grade steels.
Alloy 4340 Steel Suppliers – Thomasnet
Product Details: Alloy 4340 steel is a nickel-chromium-molybdenum alloy steel known for its fatigue resistance and ability to be heat treated to high strength levels.
Technical Parameters:
– Available in various forms including bars, plates, tubes, and sheets.
– Meets ASTM and AMS standards.
Application Scenarios:
– Used in structural components of airplanes, landing gears, and transmission shaf…
– Suitable for gears, shafts, flanges, die blocks, pressure vessels, and fasteners…
Pros:
– High fatigue resistance and wear resistance.
– Can be heat treated for enhanced strength.
Cons:
– May require specific processing techniques such as heat treatment.
– Availability may vary based on supplier.
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Comparison Table
| Company | Product Details | Pros | Cons | Website |
|---|---|---|---|---|
| 4340 | ALLOY | In Stock – Castle Metals Site | 4340 Alloy Steel, available in various shapes including round bars and plates. | – High strength and toughness – Good fatigue resistance |
| 4340 (E4340) Alloy Steel – Benedict-Miller | AISI 4340 (E4340) alloy steel is a medium carbon, low alloy steel known for its toughness and strength. It is typically machined in the annealed condi… | – High toughness and strength. – Good ductility in the annealed condition. | – Limited information on specific drawbacks. – Requires machining in the annealed condition. | www.benedict-miller.com |
| 4340 Alloy Steel – Rickard Metals | 4340 alloy steel (AISI 4340) is a low alloy steel known for its high toughness in an annealed state, outstanding ductility, formability, and weldabili… | – High toughness and ductility – Excellent weldability and formability | – May require heat treatment for optimal performance – Not suitable for all environmental conditions | rickardmetals.com |
| Grade 4340 Steel – McMaster-Carr | High-Strength 4340 Alloy Steel Rods | – High yield strength suitable for demanding applications – Heat treatable for enhanced performance | – Not rated for maximum hardness after heat treatment – Limited compliance with REACH regulations | www.mcmaster.com |
| 4130 Alloy Steel – 4140 & 4340 Alloy Steel – Fox Metals and Alloys | Fox Metals offers a range of alloy steels including 4130, 4140, 4145, 4330 V-Mod, 4340, 8630, and ASTM A182/ASTM A182M Grade F22, available in various… | – High-quality materials for productive results – Wide range of sizes and conditions available | – Limited information on specific grades’ drawbacks – Potentially higher cost due to quality assurance measures | foxmetals.com |
| 4340 Round Bar | 4340 Steel Supplier | 4340 Tubing | 4340 Plate | 4340 Round Bar and Tubing |
| 4340 Steel Bar Stock | 4340 Suppliers | King Steel Corp | 4340-alloy steel bar composed of nickel, chromium, molybdenum alloy, recognized for its durability and ability to achieve great strength when heat-tre… | – Excellent strength-to-weight ratio. – Exceptional toughness and ability to withstand extreme conditions. |
| 4130 (E4130) Steel, 4340 (E4340) Steel: Aircraft Quality Steel – Sheet … | 4130 (E4130) and 4340 (E4340) Aircraft Quality Steel available in sheet, plate, and round bar forms. | – Large inventory available nationwide – Fast delivery, often within a day or two | – Limited information on specific mechanical properties – Potentially higher cost compared to non-aircraft quality steel | www.benedict-miller.com |
| 4340 Steel Supplier with Proven Industry Standards – AoboSteel | 4340 steel is a strong, durable low-alloy steel known for its toughness and fatigue resistance, suitable for aerospace, automotive, and heavy machiner… | – High strength and reliability. – Excellent fatigue resistance. | – Requires careful heat treatment to achieve desired properties. – May be more expensive than lower-grade steels. | aobosteel.com |
| Alloy 4340 Steel Suppliers – Thomasnet | Alloy 4340 steel is a nickel-chromium-molybdenum alloy steel known for its fatigue resistance and ability to be heat treated to high strength levels. | – High fatigue resistance and wear resistance. – Can be heat treated for enhanced strength. | – May require specific processing techniques such as heat treatment. – Availability may vary based on supplier. | www.thomasnet.com |
Frequently Asked Questions (FAQs)
What is 4340 steel commonly used for?
4340 steel is known for its strength and toughness, making it ideal for applications like automotive components, aircraft landing gear, and heavy machinery parts. Its high tensile strength and fatigue resistance allow it to perform well in demanding environments.
How do I choose a reliable 4340 steel supplier?
When selecting a supplier, consider their reputation, experience, and customer reviews. Look for certifications that indicate quality standards, and ask about their manufacturing processes. A good supplier should also offer excellent customer service and support.
What are the typical specifications for 4340 steel?
4340 steel typically has a composition of 0.38-0.43% carbon, 0.70-0.90% manganese, 1.50-1.80% nickel, and 0.50-0.80% chromium. It’s often provided in various forms, such as bars, plates, and forgings, and can be heat-treated for enhanced properties.
Can I get custom sizes or grades of 4340 steel?
Yes, many suppliers offer custom sizes and grades to meet specific project requirements. Be sure to communicate your needs clearly to the supplier, as they can often accommodate special requests for unique applications.
What is the lead time for ordering 4340 steel?
Lead times can vary based on the supplier and the complexity of your order. Generally, you can expect anywhere from a few days to several weeks. It’s best to check with your supplier for an accurate estimate based on your specific needs.