Grade SAE 4140 Steel Price Steel Round Bar
- Ref Price:
-
$350.00 - 480.00
/ m.t.
- 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
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 |
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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 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.
After-sale service |
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Advantages
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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 |
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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: Can special steel be used in the production of gears?
- Yes, special steel can be used in the production of gears. Special steel is often chosen for gear manufacturing due to its high strength, durability, and resistance to wear and fatigue. It allows for the production of gears that can withstand heavy loads, high speeds, and harsh operating conditions.
- Q: What are the different methods of testing special steel for quality assurance?
- There are several methods commonly used for testing special steel to ensure quality assurance. These methods include: 1. Chemical Analysis: This involves determining the composition of the steel by analyzing its chemical elements and their respective quantities. This helps to ensure that the steel meets the specified requirements and is free from any impurities. 2. Mechanical Testing: Mechanical testing assesses the strength, hardness, and other mechanical properties of the steel. Tensile tests, hardness tests, impact tests, and fatigue tests are some of the common mechanical tests performed on special steel. These tests help to evaluate the steel's performance under different conditions and ensure it meets the required standards. 3. Non-Destructive Testing (NDT): NDT techniques are used to detect any surface or internal defects in the steel without causing any damage. Magnetic particle testing, ultrasonic testing, radiographic testing, and dye penetrant testing are commonly employed methods for NDT. These tests are crucial in identifying any flaws that may compromise the steel's structural integrity. 4. Metallurgical Analysis: Metallurgical analysis involves the microscopic examination of the steel's microstructure to assess its quality. This analysis helps to identify any grain size variations, inclusions, or phase transformations that might affect the steel's performance. Metallography, optical microscopy, and electron microscopy are commonly used techniques for metallurgical analysis. 5. Corrosion Testing: Special steel is often exposed to harsh environments, making corrosion resistance a critical quality parameter. Corrosion testing evaluates the steel's resistance to corrosion in various conditions. Salt spray testing, electrochemical testing, and exposure to corrosive environments are some methods used for corrosion testing. 6. Dimensional Inspection: Dimensional inspection ensures that the special steel meets the specified dimensional requirements. This involves measuring the steel's dimensions, including length, width, thickness, and other critical dimensions, using calibrated instruments. By employing these various methods, manufacturers can thoroughly test special steel and ensure that it meets the required quality standards. This comprehensive testing helps to guarantee the performance, durability, and reliability of the steel in various applications.
- Q: What are the different methods of surface hardening for special steel?
- There are several methods of surface hardening for special steel, including carburizing, nitriding, induction hardening, flame hardening, and laser hardening.
- Q: What are the factors that affect the fatigue strength of special steel?
- The factors that affect the fatigue strength of special steel include the composition of the steel, the heat treatment process used, the presence of impurities or defects, the surface finish, the loading conditions, and the operating environment.
- Q: What are the safety measures taken during the production of special steel?
- To ensure the safety and wellbeing of workers and reduce potential hazards, various safety measures are taken during the production of special steel. These measures encompass the following: 1. Personal Protective Equipment (PPE): All workers involved in special steel production must wear appropriate PPE, including safety helmets, goggles, gloves, and protective clothing. This safeguards them from injuries, burns, and exposure to hazardous substances. 2. Training and Education: Workers undergo comprehensive training and education on safe work practices and procedures. They gain knowledge about the potential hazards associated with special steel production and receive training on the proper handling of equipment and materials. 3. Risk Assessments: Regular risk assessments are conducted to identify potential hazards and evaluate the level of risk associated with each task. This facilitates the implementation of control measures to mitigate risks and prevent accidents. 4. Machinery and Equipment Safety: All machinery and equipment used in the production process are meticulously maintained and regularly inspected to ensure optimal working conditions. Safety features, such as emergency stop buttons and guards, are installed to prevent accidents and injuries. 5. Ventilation and Exhaust Systems: Given the high temperatures and use of chemicals in special steel production, ventilation and exhaust systems are installed to eliminate harmful fumes and gases from the work environment. This ensures a safe and healthy atmosphere for workers. 6. Fire Prevention: To minimize the risk of fire accidents, fire prevention measures are implemented, including the installation of fire alarms, extinguishers, and sprinkler systems. Workers are also trained on fire safety protocols and evacuation procedures. 7. Emergency Response Plans: Comprehensive emergency response plans are developed and communicated to all workers. These plans outline the steps to be taken in the event of accidents, fires, or other emergencies, ensuring a swift and organized response. 8. Regular Safety Inspections: Safety professionals conduct regular inspections to identify any potential safety hazards or non-compliance with safety protocols. Any issues or deficiencies are promptly addressed to maintain a safe working environment. By implementing these safety measures, special steel production can be carried out in a controlled and safe manner, safeguarding workers and minimizing the risk of accidents or injuries.
- Q: What are the different galvanizing techniques used for special steel?
- There are several galvanizing techniques used for special steel, including hot-dip galvanizing, electro-galvanizing, and mechanical galvanizing. Hot-dip galvanizing involves immersing the steel in a bath of molten zinc, creating a thick, durable coating. Electro-galvanizing, on the other hand, uses an electrical current to deposit a thin layer of zinc onto the steel surface. Mechanical galvanizing involves tumbling the steel in a zinc powder and glass bead mixture, which adheres to the surface through friction. Each technique has its own advantages and is used depending on the specific requirements of the application.
- Q: What is the significance of vanadium in special steel?
- Due to its unique properties and effects on the performance of steel, vanadium is an important element in special steel. Special steel, which is designed for specific applications requiring strength, durability, and specific characteristics, benefits greatly from the inclusion of vanadium. One of the primary rationales behind using vanadium in special steel is its ability to increase the steel's strength and toughness. Vanadium forms robust carbides within the microstructure of the steel, which prevent grain growth and enhance its resistance to deformation and cracking. This makes the steel highly suitable for applications that demand exceptional strength, such as the construction of bridges, high-rise buildings, and machinery. In addition to strength, vanadium also improves the hardenability of the steel. Hardenability refers to the steel's capacity to be hardened through heat treatment methods like quenching and tempering. Vanadium enhances the hardenability of the steel, enabling easy achievement of desired properties like increased wear resistance and improved cutting performance. This makes vanadium-containing special steel ideal for tools, dies, and other applications requiring hardness and wear resistance. Furthermore, vanadium contributes to the steel's resistance to corrosion. It creates stable oxide layers on the steel's surface, acting as a protective barrier against corrosion and oxidation. This is particularly advantageous in harsh environments like marine environments or chemical processing plants. Moreover, vanadium also enhances the heat resistance and thermal stability of special steel. It helps the steel retain its strength and hardness even at high temperatures, making it suitable for applications involving high-temperature environments like aerospace components and automotive engine parts. In summary, the importance of vanadium in special steel lies in its ability to enhance the steel's strength, toughness, hardenability, corrosion resistance, and heat resistance. These properties make vanadium-containing special steel highly sought after in various industries that require exceptional performance and reliability.
- Q: How does special steel contribute to the automotive racing machinery industry?
- The automotive racing machinery industry greatly relies on special steel to enhance the performance, durability, and safety of racing vehicles. One significant benefit of special steel is its ability to boost the power and speed of racing cars. Steel alloys like carbon fiber-reinforced steel or high-strength steel offer exceptional strength-to-weight ratios, enabling manufacturers to reduce vehicle weight without compromising structural integrity. This weight reduction enhances acceleration and maneuverability, resulting in increased speed and improved lap times on the track. Apart from performance improvements, special steel also makes racing vehicles safer. Certain steel alloys possess high strength and impact resistance, making them ideal for constructing roll cages, chassis, and other critical safety components. These materials can withstand extreme forces during crashes or collisions, providing enhanced protection for drivers and minimizing the risk of severe injuries. Special steel also contributes to the longevity and durability of automotive racing machinery. The demanding conditions of racing, including high temperatures, vibrations, and mechanical stress, can quickly deform or deteriorate regular steel. However, special steel alloys are specifically engineered to withstand these harsh environments, ensuring racing cars can withstand the sport's rigorous demands without compromising performance or safety. Furthermore, special steel alloys offer excellent thermal conductivity and heat resistance, which are essential for racing vehicles that generate substantial heat during high-speed runs. By efficiently dissipating heat, special steel helps prevent overheating and ensures optimal engine performance, minimizing the risk of mechanical failures and maximizing the lifespan of racing machinery. In summary, special steel significantly contributes to the automotive racing machinery industry by enhancing the performance, durability, and safety of racing vehicles. The use of high-performance steel alloys increases speed, improves lap times, and reduces vehicle weight. Additionally, it provides superior strength and impact resistance, enhancing safety during crashes or collisions. Moreover, special steel alloys offer excellent heat resistance and thermal conductivity, ensuring optimal engine performance and prolonging the lifespan of racing machinery.
- Q: What are the potential health hazards associated with working with special steel?
- The potential health hazards associated with working with special steel include exposure to toxic fumes and dust, which can lead to respiratory problems such as asthma or lung damage. Skin contact with certain types of special steel may cause irritation or allergic reactions. Additionally, the physical nature of the work, such as heavy lifting or repetitive motions, can contribute to musculoskeletal disorders and injuries. Proper safety measures, such as wearing appropriate protective equipment and ensuring proper ventilation, are crucial in minimizing these health risks.
- Q: What are the main challenges in welding special steel?
- The main challenges in welding special steel include its high hardness and low ductility, which make it prone to cracking and distortion during the welding process. Additionally, special steels often have complex alloy compositions, requiring precise control over heat input and welding parameters to ensure proper fusion and avoid metallurgical defects. Furthermore, the presence of impurities and contaminants in special steel can negatively impact weld quality, necessitating thorough pre-weld cleaning and careful selection of filler materials. Overall, welding special steel demands specialized expertise, advanced techniques, and strict adherence to quality control measures to achieve successful and reliable welds.
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Grade SAE 4140 Steel Price Steel Round Bar
- Ref Price:
-
$350.00 - 480.00
/ m.t.
- 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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