• Grade SAE 4140 Steel Price Steel Round Bar System 1
  • Grade SAE 4140 Steel Price Steel Round Bar System 2
  • Grade SAE 4140 Steel Price Steel Round Bar System 3
  • Grade SAE 4140 Steel Price Steel Round Bar System 4
  • Grade SAE 4140 Steel Price Steel Round Bar System 5
  • Grade SAE 4140 Steel Price Steel Round Bar System 6
Grade SAE 4140 Steel Price Steel Round Bar

Grade SAE 4140 Steel Price Steel Round Bar

Ref Price:
$350.00 - 480.00 / m.t. get latest price
Loading Port:
Shanghai
Payment Terms:
TT or LC
Min Order Qty:
3 m.t.
Supply Capability:
10000 m.t./month

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Item specifice

Type:
Alloy Steel
Shape:
Steel Round Bar

Grade SAE 4140 Steel Price_Steel Round Bar

 

Details of Grade SAE 4140 Steel Price_Steel Round Bar

Name

Steel Round Bar

Shape

Round Bar/Square Bar/Flat Bar/Plate/Wire

Standard

GB/ASTM/SAE/AISI/DIN/JIS/EN/BS

Surface Treatment:

Black/Peeling/Polished/Machined  

Delivery Condition:

Hot Rolled or Forged/Peeled or Black Surface

Test

SGS/UT 100% Elements Testing

Certificate:

ISO/Mill Certificate

Service:

24 hours online service /

more than 20 years trading and manufacture 

Quality Assurance:

the third party inspection, such as SGS, BV, TUV…etc. is acceptable

Packaging Details:

Seaworthy Packaging or as per customer's packing instruction

 

Specification of AISI1045_Din1.1191_JIS s45c_GB45 Hot Rolled Carbon Steel Round Bar

1.Size of 4140 Steel Round Bar

Round bar

Diameter(mm)

Length (mm)

20~800

3000~9000

Plate

Thickness(mm) 

Width (mm)  

Length (mm)   

Max:800

Max:2200

Max:9000

The specification can be customized.

2.Chemical Compositons

Grade

C

Si

Mn

P

S

Cr

Mo

Ni

42CrMo

0.38~0.45

0.17~0.37

0.50~0.8

≤0.035

≤0.035

0.9~1.2

0.15-0.25

≤0.3

4140

0.40~0.45

0.15~0.35

0.75~1.0

≤0.035

≤0.040

0.8~1.1

0.15-0.25

-

SCM44

0.38~0.43

0.15~0.35

0.60~0.9

≤0.030

≤0.030

0.9~1.2

0.15-0.30

≤0.25

1.7225

0.38~0.45

≤0.40

0.60~0.9

≤0.025

≤0.035

0.9~1.2

0.15-0.30

 

3.Features of 4140 alloy steel

1. Chromium molybdenum alloy steel 

2. Slightly higher carbon content then 4130

3. Greater strength and heat treatment 

4.Typical Applications 

1. Applications in the oil and gas sector

2. Connection rods, collets, conveyor pins, 

3. Gears, stem assemblies, 

4. Pump shafts and tool holders

CNBM Introduction of AISI1045_Din1.1191_JIS s45c_GB45 Hot Rolled Carbon Steel Round Bar Supplier

CNBM International Corporation is the most import and export platform of CNBM group(China National Building Material Group Corporation) ,which is a state-owned enterprise, ranked in 270th of Fortune Global 500 in 2015.

With its advantages, CNBM International are mainly concentrate on Cement, Glass, Iron and Steel, Ceramics industries and devotes herself for supplying high quality series of refractories as well as technical consultancies and logistics solution.

Grade SAE 4140 Steel Price Steel Round Bar

Grade SAE 4140 Steel Price Steel Round Bar

After-sale service

  • CNBM provides the services and support you need for every step of our cooperation. We’re the business partners you

    can trust; you can relax and get on with doing business.

  • For any problem, please kindly contact us at any your

    convenient time, we’ll reply you in our first priority within 24 hours

     

Advantages  

 

  • Industry experience over 20 years.

  • Shipment of goods -More than 70 countries worldwide.

  • The most convenient transport and prompt delivery.

  • Competitive price with best service.

  • High technical production line with top quality products.

  • High reputation based on best quality products.

     

 

Packaging & Delivery AISI1045_Din1.1191_JIS s45c_GB45 Hot Rolled Carbon Steel Round Bar

Packaging Detail

Sea worthy packing /as per customer's packing instruction

Delivery Detail

15 ~ 40 days after receiving the deposit

Products Show

Grade SAE 4140 Steel Price Steel Round Bar

FAQ:   

Are you a trading company or manufacturer?

Manufacturer

What’s the MOQ?

3 metric ton

What’s your delivery time? 

15-35 days after downpayment received

Do you Accept OEM service?

Yes

what’s your delivery terms?

FOB/CFR/CIF

What's the Payment Terms?

30% as deposit,70% before shipment by T/T

Western Union acceptable for small amount.

L/C acceptable for large amount.

Scrow ,Paybal,Alipay are also ok

Why  choose  us?

Chose happens because of quality, then price, We can give you both.

Additionally, we can also offer professional products inquiry, products knowledge train (for agents), smooth goods delivery, excellent customer solution proposals.

What's your available port of Shipment?

Main Port, China

What’s your featured  services?

Our service formula: good quality+ good price+ good service=customer's trust

 

Where are your Market?

Covering more than 160 countries in the world

 

Q:How does special steel perform in high-speed machining operations?
Special steel is specifically designed to withstand high-speed machining operations with exceptional performance. Its unique composition and properties, including high hardness, heat resistance, and wear resistance, allow it to maintain its strength and durability even under extreme cutting speeds and temperatures. This enables special steel to deliver superior machining efficiency, precision, and surface finish, making it an ideal choice for high-speed machining operations.
Q:What are the main factors affecting the cost of special steel?
The main factors affecting the cost of special steel include the cost of raw materials, such as iron ore and alloying elements, production and manufacturing costs, market demand and competition, transportation and logistics expenses, and global economic factors such as currency exchange rates and trade policies. Additionally, the complexity and uniqueness of the steel's composition and processing requirements can also impact its cost.
Q:How is special steel used in the production of automotive parts?
Special steel is used in the production of automotive parts due to its exceptional strength, durability, and resistance to wear and corrosion. It is commonly used for manufacturing critical components such as engine parts, chassis, drive shafts, and suspension systems. Special steel helps enhance the overall performance, safety, and longevity of automobiles, making them more reliable and efficient on the road.
Q:How does special steel withstand high-velocity impacts?
Special steel is able to withstand high-velocity impacts due to its unique properties and composition. One key factor is its high strength and hardness, which allows it to resist deformation and fracture under extreme forces. Special steel also often contains alloying elements such as chromium, molybdenum, nickel, and vanadium, which contribute to its exceptional toughness and impact resistance. Furthermore, special steel is often heat-treated to enhance its mechanical properties. Through processes such as quenching and tempering, the steel's microstructure is altered, resulting in a fine-grained structure with improved strength and hardness. This heat treatment also enhances the steel's ability to absorb and dissipate energy during high-velocity impacts, reducing the risk of failure. Moreover, special steel is often designed with specific alloys and compositions to enhance its performance in particular applications. For example, some grades of steel are specifically engineered for armor applications, where they must withstand high-velocity impacts from projectiles. These steels may have additional elements such as boron or titanium, which further enhance their ability to resist penetration and deformation under extreme loads. In summary, special steel's ability to withstand high-velocity impacts is attributed to its high strength, hardness, toughness, and impact resistance. Its unique composition, heat treatment processes, and targeted design make it a reliable choice for applications where impact resistance is crucial.
Q:How is high-temperature stainless steel used in the production of gas turbines?
High-temperature stainless steel is used in the production of gas turbines due to its exceptional heat resistance and corrosion resistance properties. It is utilized to make critical components such as turbine blades, rotors, and casings that are exposed to extreme temperatures and harsh environments. This stainless steel helps gas turbines operate efficiently and reliably by withstanding high temperatures without losing strength or degrading, ultimately enhancing the performance and lifespan of gas turbines.
Q:How are tungsten alloys used in the defense industry?
Tungsten alloys are extensively used in the defense industry due to their exceptional strength, high density, and excellent resistance to heat and wear. These alloys are commonly utilized in the manufacturing of armor-piercing ammunition, artillery projectiles, and kinetic energy penetrators. Tungsten alloys are also employed in the production of various defense equipment such as missile components, bomb casings, and tank armor. Their ability to withstand extreme conditions and deliver superior performance makes them invaluable in enhancing the effectiveness and protection capabilities of military applications.
Q:What are the requirements for special steel used in electronic components?
The requirements for special steel used in electronic components include high electrical conductivity, excellent corrosion resistance, good magnetic properties, and the ability to withstand high temperatures. Additionally, the steel should have low impurity levels to prevent any interference with electronic signals and should also possess high strength and durability to ensure long-term performance and reliability of the components.
Q:How does the demand for special steel vary across different regions?
The demand for special steel can differ greatly in various regions due to multiple factors. One of the main drivers of demand fluctuation is the level of industrialization in a specific region. Developed regions like North America, Europe, and East Asia, which have strong manufacturing sectors, heavily rely on special steel for various industrial applications, resulting in higher demand. Another factor that affects demand variation is the presence of specific industries or sectors within a region. Regions with significant automotive or aerospace industries require high-performance materials like special steel for the production of vehicles or aircraft, leading to increased demand. Furthermore, the demand for special steel is influenced by the construction industry. Regions experiencing rapid urbanization and infrastructure development, such as Southeast Asia, the Middle East, and parts of Africa, have a higher demand for special steel to construct buildings, bridges, and other infrastructure projects. Moreover, the availability of raw materials and production capabilities within a region can impact the demand for special steel. Regions with abundant access to iron ore, coal, and other essential resources for steel production may experience higher demand as they can efficiently produce special steel. Lastly, economic trends and government policies also play a role in shaping the demand for special steel. Regions with stable economic growth and favorable policies for industries utilizing special steel are likely to have higher demand. Conversely, regions facing economic downturns or restrictive trade policies may witness a decline in demand. In conclusion, various factors, including industrialization levels, specific industries present, construction activities, availability of raw materials, and economic trends, contribute to the variation in demand for special steel across different regions. Understanding these variations is crucial for steel manufacturers and suppliers to effectively target and meet the diverse needs of different regions.
Q:What are the different types of electrical steel?
There are primarily two types of electrical steel: grain-oriented electrical steel (GOES) and non-grain-oriented electrical steel (NGOES). GOES is specifically designed to have superior magnetic properties in a specific direction, making it ideal for power transformers and other high-efficiency electrical devices. On the other hand, NGOES does not have a preferred magnetic direction and is commonly used in motors, generators, and other general-purpose electrical equipment.
Q:Can special steel be used in the mining industry?
Yes, special steel can be used in the mining industry. Special steel alloys, such as wear-resistant and high-strength steels, are commonly employed in mining equipment and machinery due to their durability and ability to withstand harsh conditions. They are used in components like drill bits, crusher liners, conveyor belts, and structural supports to enhance performance and productivity while ensuring safety and longevity in mining operations.

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