Grade AISI 4140 _42CrMo4 Steel Round Bar
- Ref 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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Specification
Grade AISI 4140 _42CrMo4 Steel Round Bar
Details of Grade AISI 4140 _42CrMo4 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 Grade AISI 4140 _42CrMo4 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 |
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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 Grade AISI 4140 _42CrMo4 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.
After-sale service |
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Advantages
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Packaging & Delivery Grade AISI 4140 _42CrMo4 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
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
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Where are your Market? | Covering more than 160 countries in the world |
- Q: What is the impact of titanium in special steel alloys?
- Special steel alloys greatly benefit from the inclusion of titanium, a remarkably versatile and valuable element. The addition of titanium to these alloys has a profound effect on their properties and performance. One of titanium's major impacts on special steel alloys is the enhancement of strength and durability. Titanium possesses a remarkable strength-to-weight ratio, meaning that even a small amount of titanium can significantly increase the strength of the steel alloy. This quality proves particularly advantageous in industries such as aerospace or automotive, where high strength and resistance to deformation or fatigue are essential. Moreover, titanium also contributes to the corrosion resistance of steel alloys. It forms a protective oxide layer on the steel's surface, effectively preventing or minimizing the detrimental effects of corrosion caused by exposure to various environmental factors like moisture, chemicals, or saltwater. This corrosion resistance becomes especially crucial in industries where steel is subjected to harsh conditions, such as marine or offshore applications. Another noteworthy impact of titanium in special steel alloys is its ability to enhance heat resistance. Titanium boasts a high melting point and exceptional thermal stability, making steel alloys containing titanium suitable for high-temperature applications. This characteristic holds particular significance in industries like power generation, where steel components must withstand extreme temperatures without compromising their structural integrity. Furthermore, titanium greatly improves the weldability of steel alloys. Acting as a deoxidizer, it reduces the presence of impurities and enhances the quality of welds. This attribute proves highly advantageous in manufacturing processes involving welding, as it guarantees strong and reliable joints. In summary, the influence of titanium on special steel alloys is multifaceted and highly advantageous. It bolsters the strength, durability, and corrosion resistance of steel, while simultaneously improving its heat resistance and weldability. These properties render titanium an invaluable element in the production of high-performance steel alloys for a wide array of industries.
- Q: How is heat-resistant steel used in high-temperature applications?
- Heat-resistant steel is specifically designed to withstand high temperatures without losing its strength or undergoing structural changes. It is commonly used in high-temperature applications such as power plants, furnaces, and aerospace industry. Due to its ability to maintain its mechanical properties at elevated temperatures, heat-resistant steel is used to fabricate critical components like turbine blades, exhaust systems, and heat exchangers, ensuring reliable and efficient operations even in extreme heat conditions.
- Q: How does the composition of special steel affect its mechanical properties?
- The composition of special steel plays a significant role in determining its mechanical properties. Special steel refers to a type of steel that has been modified or alloyed with other elements to enhance its strength, toughness, hardness, and other desirable properties. The addition of various alloying elements, such as manganese, chromium, nickel, molybdenum, vanadium, and tungsten, can significantly impact the mechanical properties of special steel. For example, the addition of chromium can improve corrosion resistance and hardness, making the steel more suitable for applications in harsh environments. Manganese is often added to enhance the hardenability and tensile strength of the steel. Nickel can increase toughness and strength while maintaining good ductility. The amount and combination of these alloying elements can be adjusted to achieve specific mechanical properties. For instance, increasing the carbon content can enhance the strength and hardness of the steel, but it may decrease its ductility. On the other hand, decreasing the carbon content and adding elements like nickel and molybdenum can improve the steel's toughness and impact resistance. Additionally, the heat treatment process is crucial in influencing the mechanical properties of special steel. Through processes such as quenching and tempering, the steel's microstructure can be manipulated to achieve desired properties. Quenching, for example, involves rapidly cooling the steel to obtain high hardness and strength, while tempering helps reduce brittleness and improve toughness. In summary, the composition of special steel, including the type and amount of alloying elements, as well as the heat treatment process, plays a crucial role in determining its mechanical properties. By carefully selecting and controlling these factors, manufacturers can tailor special steel to meet specific performance requirements for various applications.
- Q: What are the different types of heat treatment processes used for special steel?
- There are several different types of heat treatment processes used for special steel, including annealing, normalizing, quenching, tempering, and precipitation hardening.
- Q: What are the main applications of special steel in the power transmission industry?
- Special steel is widely used in the power transmission industry for various applications. Some of the main applications include manufacturing transmission towers, poles, and other structural components. Special steel is also utilized in the production of power line conductors, such as overhead wires and cables, due to its high strength and conductivity properties. Additionally, special steel is employed in the construction of power transformers, as it offers excellent magnetic properties and resistance to heat and corrosion. Overall, the use of special steel in the power transmission industry ensures reliable and efficient transmission of electricity.
- Q: Can special steel be used for tooling applications?
- Yes, special steel can be used for tooling applications. Special steel, such as high-speed steel or tool steel, is specifically designed to have superior hardness, wear resistance, and toughness, making it highly suitable for tooling applications where durability and precision are crucial.
- Q: How is special steel used in the manufacturing of tools and dies?
- Special steel is used in the manufacturing of tools and dies due to its exceptional properties, such as high strength, hardness, and wear resistance. These steels can withstand extreme temperatures and pressures during the forming, cutting, and shaping processes. They also have excellent dimensional stability, ensuring precise and accurate tooling. Special steel's unique composition and heat treatment capabilities allow for the production of durable and long-lasting tools and dies, which are essential for various industries like automotive, aerospace, and manufacturing.
- Q: How does special steel contribute to the construction equipment industry?
- The construction equipment industry heavily relies on special steel to ensure the necessary strength, durability, and resistance to wear and tear in their heavy-duty equipment. Extreme conditions, including heavy loads, harsh environments, and constant use, demand the use of special steel alloys that are specifically designed to withstand these challenges and guarantee the equipment's longevity and reliability. One of the major contributions of special steel to the construction equipment industry lies in its impressive strength-to-weight ratio. This characteristic allows manufacturers to design and produce equipment that is both robust and lightweight. Implementing special steel in the construction of crucial equipment components such as chassis, booms, buckets, and blades enhances their load-carrying capacity and overall performance. Additionally, special steel offers exceptional corrosion resistance, which is a significant advantage in construction sites where equipment is exposed to moisture, chemicals, and other corrosive substances. By utilizing corrosion-resistant special steel alloys, manufacturers can extend the lifespan of construction equipment and reduce maintenance costs. Moreover, special steel plays a vital role in providing superior wear resistance. The abrasive materials encountered in construction sites, such as rocks, gravel, and concrete, can cause significant wear on equipment components. Special steel alloys with high hardness and wear resistance properties help minimize wear and prolong the service life of the equipment, reducing the need for frequent replacements and downtime. Furthermore, special steel enables the construction equipment industry to meet specific performance requirements. Various types of special steel alloys can be tailored to meet specific needs, such as impact resistance, high-temperature resistance, or low-temperature toughness. This versatility allows manufacturers to produce equipment that can efficiently operate in diverse conditions, ultimately enhancing the industry's overall productivity. In conclusion, special steel plays a crucial role in the construction equipment industry by providing the necessary strength, durability, resistance to wear and tear, and customization options. By incorporating special steel alloys into their manufacturing processes, equipment manufacturers can produce high-quality machinery that meets the demanding requirements of construction sites, thus improving productivity, safety, and efficiency within the industry.
- Q: How does special steel resist wear and abrasion?
- Special steel resists wear and abrasion due to its unique properties and composition. It is typically alloyed with elements like chromium, tungsten, or manganese, which enhance its hardness and toughness. These alloys form a protective layer on the surface of the steel, making it more resistant to scratching, rubbing, and erosion. Special steel also has a fine grain structure, which further contributes to its wear resistance. Additionally, heat treatment processes such as quenching and tempering can be applied to further enhance the steel's hardness and durability, making it highly suitable for applications where wear and abrasion are common.
- Q: How does special steel perform in high-wear applications?
- Special steel performs extremely well in high-wear applications. Its unique composition and properties, such as high hardness, toughness, and resistance to abrasion, make it highly durable and capable of withstanding intense wear and tear. This makes special steel an ideal choice for a wide range of demanding applications, including manufacturing tools, machinery parts, and components in industries such as mining, construction, and automotive. Overall, special steel's exceptional performance in high-wear applications ensures longevity, reliability, and cost-effectiveness.
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Grade AISI 4140 _42CrMo4 Steel Round Bar
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 3 m.t.
- Supply Capability:
- 10000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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