Grade SAE 4140 Steel Price_Steel Round Bar Dimension
- Ref Price:
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- 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 SAE 4140 Steel Price_Steel Round Bar Dimension
Details of Grade SAE 4140 Steel Price_Steel Round Bar Dimension
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 SAE 4140 Steel Price_Steel Round Bar Dimension
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 SAE 4140 Steel Price_Steel Round Bar Dimension 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 SAE 4140 Steel Price_Steel Round Bar Dimension
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
|
Where are your Market? | Covering more than 160 countries in the world |
- Q: What are the different coating techniques for special steel parts?
- There are several coating techniques that can be used for special steel parts, depending on the specific requirements and desired properties. Here are some of the commonly used coating techniques: 1. Electroplating: This technique involves depositing a layer of metal onto the surface of the steel part through an electrochemical process. It provides excellent corrosion resistance and can also enhance the appearance of the part. 2. Thermal spraying: This technique involves melting or heating a coating material and spraying it onto the steel surface. It can be done using various methods such as flame spraying, plasma spraying, or arc spraying. Thermal spraying is commonly used to provide wear resistance, thermal insulation, or to restore damaged parts. 3. PVD (Physical Vapor Deposition): PVD is a vacuum coating technique where a thin film is deposited onto the steel surface. This method offers a wide range of coatings, including decorative finishes, hard coatings for wear resistance, and low-friction coatings. 4. DLC (Diamond-Like Carbon) coating: DLC is a type of PVD coating that provides a thin layer of carbon-based material with properties similar to diamond. It offers excellent hardness, low friction, and high wear resistance, making it suitable for applications where durability and performance are crucial. 5. Powder coating: Powder coating involves applying a dry powder to the steel part and then curing it through heat or ultraviolet light. This technique provides a durable and attractive finish, offering excellent corrosion resistance and protection against impact and abrasion. 6. Chemical conversion coating: This technique involves treating the steel surface with a chemical solution that forms a protective layer on the surface. Common types of chemical conversion coatings include phosphating, chromating, and anodizing. These coatings improve corrosion resistance, paint adhesion, and can also provide electrical conductivity. It is essential to choose the appropriate coating technique based on factors such as the desired properties, environmental conditions, cost-effectiveness, and the specific application requirements for special steel parts.
- Q: What are the main characteristics of wear-resistant steel?
- The main characteristics of wear-resistant steel include high hardness, toughness, and abrasion resistance. It is designed to withstand harsh conditions, such as heavy impact and abrasion, without significant wear or damage. Additionally, wear-resistant steel often has low maintenance requirements and a long lifespan, making it ideal for applications in industries such as mining, construction, and manufacturing.
- Q: What are the common challenges in heat treating titanium alloys?
- Some common challenges in heat treating titanium alloys include the high reactivity of titanium with oxygen and other elements, the need for precise temperature control due to the narrow range of heat treatments, and the potential for distortion or warping of the material during the heat treatment process.
- Q: What are the main applications of special steel in the power generation equipment?
- Special steel is widely used in power generation equipment due to its exceptional properties such as high strength, corrosion resistance, and heat resistance. It finds applications in various components of power generation equipment, including turbine blades, boiler tubes, heat exchangers, and pressure vessels. These components need to withstand extreme conditions such as high temperatures, pressures, and corrosive environments. Special steel ensures the durability and reliability of power generation equipment, ultimately enhancing the efficiency and performance of power plants.
- Q: Can special steel be used in aerospace turbine components?
- Yes, special steel can be used in aerospace turbine components. Special steel, also known as high-performance alloy steel, possesses excellent mechanical properties such as high strength, hardness, and temperature resistance. These properties make it suitable for use in aerospace turbine components, which are subjected to extreme conditions such as high temperatures, pressures, and stress. Aerospace turbine components, including blades, vanes, and disks, are critical parts of jet engines that require materials capable of withstanding the harsh operating conditions. Special steel alloys, such as nickel-based superalloys, are commonly used in these applications due to their ability to maintain their strength and integrity at elevated temperatures. Additionally, the high strength-to-weight ratio of special steel allows for the production of lightweight yet durable turbine components, contributing to the overall efficiency and performance of the aerospace systems. Moreover, special steel alloys can also exhibit excellent resistance to corrosion, oxidation, and fatigue, which are crucial factors in the long-term reliability and safety of aerospace turbine components. These materials undergo rigorous testing and certification processes to ensure they meet the stringent standards and requirements set by the aviation industry. In conclusion, special steel is indeed a suitable material for aerospace turbine components due to its exceptional mechanical properties, high temperature resistance, and ability to withstand extreme conditions. It plays a vital role in ensuring the reliability, efficiency, and safety of turbine systems used in aerospace applications.
- Q: How does special steel contribute to the manufacturing of fasteners?
- Special steel contributes to the manufacturing of fasteners by providing higher strength, durability, and corrosion resistance compared to regular steel. This allows fasteners to withstand heavy loads, vibrations, and harsh environmental conditions, ensuring their longevity and reliability in various applications. Additionally, special steel can be tailored to specific requirements, enabling the production of fasteners with precise dimensions, shapes, and surface finishes, thereby enhancing their performance and compatibility with different components and structures.
- Q: How does precipitation hardening enhance the strength of special steel?
- The process of precipitation hardening, which is also referred to as age hardening, serves to boost the strength of specific steel alloys through a heat treatment technique. This technique involves a series of steps that lead to the formation of small particles or precipitates within the microstructure of the material. The strength of special steel is mainly determined by the arrangement and interaction of its atoms. Initially, the atoms of the alloy are randomly distributed, resulting in a relatively soft and malleable substance. However, through precipitation hardening, the formation of precipitates during the heat treatment process plays a vital role in strengthening the steel. The process commences by subjecting the steel to a high temperature, referred to as the solution treatment or aging temperature. This elevated temperature allows the atoms to dissolve and form a solid solution. Subsequently, the alloy is rapidly cooled to preserve the supersaturated state of the solution. After the rapid cooling, the steel is exposed to a lower temperature, known as the aging temperature. During this stage, the dissolved atoms start to migrate and cluster together, forming small precipitates within the microstructure of the material. These precipitates act as obstacles to the movement of dislocations, which are the primary carriers of plastic deformation in metals. The presence of these precipitates hampers the movement of dislocations, making it more challenging for them to glide through the crystal lattice. Consequently, the strength of the steel is significantly enhanced. The dislocation obstacles provided by the precipitates increase the resistance to deformation, resulting in improved hardness and strength. Furthermore, the size, distribution, and uniformity of the precipitates play a crucial role in determining the extent of strength enhancement. Smaller and more evenly distributed precipitates offer a higher density of obstacles, leading to a greater strengthening effect. Additionally, the process of precipitation hardening also influences other material properties, such as corrosion resistance and toughness. To conclude, precipitation hardening strengthens special steel by creating small precipitates within its microstructure. These precipitates impede the movement of dislocations, increasing resistance to deformation and resulting in improved hardness and strength. This heat treatment process is pivotal in the development of high-performance special steel alloys utilized in diverse industries.
- Q: What are the different types of bearing steel?
- There are several different types of bearing steel, including carbon steel, stainless steel, and chrome steel.
- Q: How are magnesium alloys used in lightweight structures?
- Magnesium alloys are used in lightweight structures due to their exceptional strength-to-weight ratio. They offer high tensile strength and stiffness, making them suitable for applications where weight reduction is crucial, such as in the aerospace and automotive industries. These alloys are commonly used in components like aircraft fuselages, engine casings, and lightweight vehicle parts, contributing to improved fuel efficiency and performance. Additionally, magnesium alloys can be easily cast, machined, and welded, allowing for efficient manufacturing processes.
- Q: What is special steel? What is special steel?
- There is no uniform definition and concept for special steel at present.It is generally believed that special steel is a kind of steel with special alloy composition, special process smelting and production, special organization and performance, and special requirement.Compared with ordinary steel, special steel has higher strength and toughness, physical properties, chemical properties, biocompatibility and process performance.
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Grade SAE 4140 Steel Price_Steel Round Bar Dimension
- 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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