Are you struggling to find a reliable supplier for 4340 RHC 30-35 materials? You’re not alone! Many businesses face the daunting challenge of selecting the right manufacturer that meets quality standards and delivery timelines. Finding the best supplier can make a world of difference—ensuring you receive high-quality materials that enhance your products while boosting your bottom line. Imagine having a trusted partner who understands your needs and consistently delivers excellence.

In this article, we’ll explore the top 4340 RHC 30-35 supplier factories and manufacturers. Discover who stands out in quality, reliability, and innovation. Ready to streamline your sourcing process? Let’s dive in!

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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 available in various forms including plate, round bar (cold finished and hot rolled), and meets aircraft quality standards.

Technical Parameters:
– Carbon 0.38/0.43%
– Manganese 0.65/0.85%
– Nickel 1.65/2.00%
– Chromium 0.70/0.90%

Application Scenarios:
– Aircraft landing gears
– Manufacturing of gears, sprockets, and molds
– Crankshafts and connecting rods
– Valves and axle shafts

Pros:
– Good ductility in the annealed condition
– High strength characteristics and hardenability
– Largest stocked inventory for fast delivery
– AMS certified and DFARS compliant

The Ultimate Guide to 4340 RHC 30-35 Round Bar Supplier

Product Details:
4340 RHC 30-35 round bar is a high-strength nickel-chromium-molybdenum steel with a Rockwell Hardness C rating between 30-35, known for its toughness and wear resistance.

Technical Parameters:
– Tensile Strength: 280,000 PSI
– Yield Strength: 250,000 PSI
– Elongation: 12%
– Brinell Hardness: 321-363

Application Scenarios:
– Aerospace components such as landing gear and structural parts
– Automotive applications including crankshafts and transmission gears
– Industrial machinery parts for heavy equipment and mining machinery

Pros:
– Superior strength and durability under extreme conditions
– Excellent fatigue resistance for cyclic loading applications
– Outstanding toughness that resists crack propagation
– Cost-effective long-term solution with reduced maintenance requirements

4340 RHC 30-35 Supplier: How to Find the Best Material for Your Projects

Product Details:
4340 RHC 30-35 is a high-strength alloy steel known for its toughness and wear resistance, making it suitable for various demanding applications.

Technical Parameters:
– Hardness range: 30-35 HRC
– Alloy composition: Contains chromium, nickel, and molybdenum
– Heat treatment capabilities: Can be heat treated for enhanced properties

Application Scenarios:
– Manufacturing of gears and shafts
– Construction of heavy machinery components
– Production of high-stress automotive parts

Pros:
– Excellent toughness and fatigue resistance
– Good machinability and weldability
– High strength-to-weight ratio

Cons:
– May require heat treatment for optimal performance
– Higher cost compared to standard carbon steels
– Limited availability in some regions

Grade 4340 Steel – McMaster-Carr

Product Details:
High-Strength 4340 Alloy Steel Rods and Fatigue-Resistant 4340 Alloy Steel Sheets.

Technical Parameters:
– Yield Strength: 68,000 psi (for rods)
– Hardness: Rockwell C20 (for rods), Rockwell C52 (max after heat treatment for
– Heat Treatable: Yes
– Specifications Met: SAE AMS6415 (for rods), ASTM A829 (for sheets)

Application Scenarios:
– Power transmission and structural applications involving extreme impact, heat,
– Manufacturing of machine tool bases and structural panels.

Pros:
– High strength and fatigue resistance due to alloy composition.
– Heat treatable for enhanced hardness and wear resistance.
– Available in various sizes and tolerances.
– Certificates with traceable lot numbers available.

Cons:
– Max hardness after heat treatment for rods is not rated.
– Yield strength for sheets is not rated.

4340 Steel Supplier with Proven Industry Standards – AoboSteel

Product Details:
4340 steel is an alloy steel known for its high strength and toughness, commonly used in heavy-duty applications.

Technical Parameters:
– Chemical composition: 0.40% Carbon, 0.70% Manganese, 1.65% Nickel, 0.20%
– Hardness: Typically around 28-34 HRC after heat treatment
– Tensile strength: Approximately 1000 MPa
– Yield strength: Approximately 850 MPa

Application Scenarios:
– Manufacturing of gears and shafts
– Used in the aerospace industry for structural components
– Commonly utilized in heavy machinery and automotive applications
– Suitable for making high-stress components like crankshafts

Pros:
– Excellent toughness and fatigue resistance
– Good machinability and weldability
– High strength-to-weight ratio
– Versatile for various applications

Cons:
– Requires heat treatment for optimal properties
– Can be more expensive than standard carbon steels
– May have lower corrosion resistance compared to stainless steels
– Not suitable for very high-temperature applications without special treatment

4340 Steel Bar Stock | 4340 Suppliers – King Steel Corp.

Product Details:
4340-alloy steel bar composed of nickel, chromium, and molybdenum alloy, recognized for its durability and ability to achieve great strength when heat-treated.

Technical Parameters:
– Size ranging from .250″ to 15″
– Excellent strength-to-weight ratio
– Good atmospheric corrosion resistance
– Exceptional toughness

Application Scenarios:
– Parts requiring high strength and resilience to wear and tear
– Applications in extreme conditions
– Industries needing durable and fatigue-resistant materials

Pros:
– Durable and strong when heat-treated
– Excellent resistance against fatigue and wear
– Good atmospheric corrosion resistance
– High strength-to-weight ratio

4340 Alloy Steel – Rickard Metals

Product Details:
4340 alloy steel (also known as AISI 4340) is a low alloy steel with high toughness in an annealed state, characterized by outstanding ductility, formability, and weldability. It is mainly iron-based, with nickel being the other major chemical property. Rickard Specialty Metals offers 4340 steel forgings, sheet, plate, and more to custom measurements, along with heat treatment services.

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
– Common Forged Shapes: Round Bar, Flat Bar, Rectangular Bar, Rolled Rings,

Application Scenarios:
– Power transmission gears and shafts
– Aircraft parts
– Machinery components

Pros:
– High toughness and ductility
– Excellent formability and weldability
– Versatile for various structural applications

4340 RHC 30-35 Supplier: Quality and Strength – Metro Upright

Product Details:
4340 RHC 30-35 steel is an alloy steel known for its exceptional strength and toughness, containing nickel, chromium, and molybdenum.

Technical Parameters:
– Hardenability: Achieves hardness levels from 30 to 35 HRC
– Tensile Strength: Often exceeds 1000 MPa when properly processed
– Moderate corrosion resistance
– Good ductility and impact resistance

Application Scenarios:
– Aerospace applications requiring reliability
– Automotive manufacturing for gears and shafts
– Oil and gas industry for drilling tools and equipment
– Medical devices for surgical instruments

Pros:
– Exceptional strength and toughness
– High hardenability allows for effective heat treatment
– Durability under extreme conditions
– Versatile across various demanding applications

Cons:
– Moderate corrosion resistance may require protective coatings

4340 Steel | AMS 6484 | SAE 4340 – smithmetal.com

Product Details:
4340 (AMS A684, SAE 4340) is a chromium-nickel-molybdenum alloy steel known for its remarkable ductility and toughness, suitable for high-strength applications in the aerospace sector.

Technical Parameters:
– High fatigue strength
– Maintains strength and hardness at elevated temperatures
– Minimum hardness of Rockwell ‘C’ 30
– Available in various forms: flats, round bar, plate, sheet, hollow bar, square

Application Scenarios:
– Aircraft landing gear
– Engine components
– Crankshafts
– Axles

Pros:
– Remarkable ductility and toughness at various strength levels
– High alloy content allows for uniform hardness through heat treatment
– Premium aircraft quality available for highly stressed parts
– In-house UKAS Accredited Testing Laboratory for quality assurance

4340 Cold Drawn Steel Bar Supplier – 4340 Round Steel Bar | Eaton Steel …

Product Details:
4340 Cold Drawn Steel Bar

Technical Parameters:
– High tensile strength
– Good toughness
– Excellent fatigue resistance

Application Scenarios:
– Automotive components
– Heavy machinery parts
– Aerospace applications

Pros:
– High strength-to-weight ratio
– Versatile for various applications
– Improved surface finish compared to hot rolled bars

Cons:
– Higher cost compared to hot rolled steel
– Limited availability in some sizes
– Requires additional processing for certain applications

Comparison Table

Company	Product Details	Pros	Cons	Website
4340 (E4340) Alloy Steel – Benedict-Miller	AISI 4340 (E4340) alloy steel is a medium carbon, low alloy steel known for its	Good ductility in the annealed condition High strength characteristics and		www.benedict-miller.com
The Ultimate Guide to 4340 RHC 30-35 Round Bar Supplier	4340 RHC 30-35 round bar is a high-strength nickel-chromium-molybdenum steel	Superior strength and durability under extreme conditions Excellent fatigue		tvspluto.com
4340 RHC 30-35 Supplier: How to Find the Best Material for Your Projects	4340 RHC 30-35 is a high-strength alloy steel known for its toughness and wear	Excellent toughness and fatigue resistance Good machinability and	May require heat treatment for optimal performance Higher cost compared to	angerole.com
Grade 4340 Steel – McMaster-Carr	High-Strength 4340 Alloy Steel Rods and Fatigue-Resistant 4340 Alloy Steel	High strength and fatigue resistance due to alloy composition. Heat treatable	Max hardness after heat treatment for rods is not rated. Yield strength for	www.mcmaster.com
4340 Steel Supplier with Proven Industry Standards – AoboSteel	4340 steel is an alloy steel known for its high strength and toughness,	Excellent toughness and fatigue resistance Good machinability and	Requires heat treatment for optimal properties Can be more expensive than	aobosteel.com
4340 Steel Bar Stock	4340 Suppliers – King Steel Corp.	4340-alloy steel bar composed of nickel, chromium, and molybdenum alloy,	Durable and strong when heat-treated Excellent resistance against fatigue and
4340 Alloy Steel – Rickard Metals	4340 alloy steel (also known as AISI 4340) is a low alloy steel with high	High toughness and ductility Excellent formability and weldability Versatile		rickardmetals.com
4340 RHC 30-35 Supplier: Quality and Strength – Metro Upright	4340 RHC 30-35 steel is an alloy steel known for its exceptional strength and	Exceptional strength and toughness High hardenability allows for effective heat	Moderate corrosion resistance may require protective coatings	metroupright.com
4340 Steel	AMS 6484	SAE 4340 – smithmetal.com	4340 (AMS A684, SAE 4340) is a chromium-nickel-molybdenum alloy steel known for	Remarkable ductility and toughness at various strength levels High alloy
4340 Cold Drawn Steel Bar Supplier – 4340 Round Steel Bar	Eaton Steel …	4340 Cold Drawn Steel Bar	High strength-to-weight ratio Versatile for various applications Improved	Higher cost compared to hot rolled steel Limited availability in some

Frequently Asked Questions (FAQs)

What is 4340 RHC, and why is it important for my project?
4340 RHC (Rockwell Hardness C) is a high-strength alloy steel known for its toughness and wear resistance. It is commonly used in applications such as automotive and aerospace components. Understanding its properties helps you choose the right material for your project’s specific requirements.

How can I find reliable suppliers for 4340 RHC?
Start by searching online directories, trade platforms, and industry associations. You can also attend trade shows or connect with professionals in your network. Look for suppliers with a proven track record and positive reviews to ensure quality and reliability.

What should I consider when evaluating a supplier?
Evaluate suppliers based on their experience, certifications, production capabilities, and quality control processes. It’s also essential to assess their customer service, delivery times, and pricing. Request samples or references to gauge their reliability and product quality.

How can I ensure the quality of 4340 RHC from suppliers?
Request material certification and test reports for the 4340 RHC you’re purchasing. A good supplier should provide documentation that confirms the material meets industry standards. Consider visiting the factory or arranging third-party inspections for additional assurance.

What are the typical lead times for ordering 4340 RHC?
Lead times can vary based on the supplier and order size but generally range from a few weeks to several months. Always communicate your timeline needs upfront to the supplier, and ask for estimated delivery dates to ensure they align with your project schedule.