• DIN1.7225/SAE4140 CNBM Alloy Steel Round Bar with High Quality System 1
  • DIN1.7225/SAE4140 CNBM Alloy Steel Round Bar with High Quality System 2
  • DIN1.7225/SAE4140 CNBM Alloy Steel Round Bar with High Quality System 3
  • DIN1.7225/SAE4140 CNBM Alloy Steel Round Bar with High Quality System 4
  • DIN1.7225/SAE4140 CNBM Alloy Steel Round Bar with High Quality System 5
  • DIN1.7225/SAE4140 CNBM Alloy Steel Round Bar with High Quality System 6
DIN1.7225/SAE4140 CNBM Alloy Steel Round Bar with High Quality

DIN1.7225/SAE4140 CNBM Alloy Steel Round Bar with High Quality

Ref Price:
get latest price
Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
3 m.t.
Supply Capability:
10000 m.t./month

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Specification

Type:
Alloy Steel
Shape:
Steel Round Bar

DIN1.7225/SAE4140 Alloy Steel Round Bar Price

Name

DIN1.7225/SAE4140 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

 

Chemical Composition

C

Si

Mn

Cr

 Mo

P

S

0.38-0.43

0.40max

0.60-0.90

0.90-1.20

0.15-0.30

≤0.035

≤0.035

 

Application

4140 Alloy Steel is engineering steel supplied in quenched and tempered conditions.

Very good machinability.

High toughness.

High creep strength.

Repeated impact resistant capability.

 

Packaging & Delivery

Packaging Detail

Sea worthy packing /as per customer's packing instruction

Delivery Detail

15 ~ 40 days after receiving the deposit

DIN1.7225/SAE4140 CNBM Alloy Steel Round Bar with High Quality

 

Product Show

DIN1.7225/SAE4140 CNBM Alloy Steel Round Bar with High Quality

 

Workshop

DIN1.7225/SAE4140 CNBM Alloy Steel Round Bar with High Quality

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 specific requirements for special steel used in the nuclear fuel industry?
The specific requirements for special steel used in the nuclear fuel industry are stringent and demanding. These requirements are necessary to ensure the safety and reliability of nuclear power plants. Here are some of the key specifications for special steel used in this industry: 1. High temperature resistance: Special steel used in the nuclear fuel industry must be able to withstand high temperatures without losing its structural integrity. This is crucial as nuclear reactors generate extreme heat during operation. 2. Corrosion resistance: Nuclear fuel environments can be highly corrosive due to the presence of hot and pressurized water, radiation, and chemical reactions. Special steel used in the industry must have exceptional corrosion resistance to prevent degradation and maintain safety. 3. Radiation resistance: The nuclear fuel industry involves exposure to radiation. Special steel needs to have excellent resistance to radiation damage and embrittlement to ensure long-term structural integrity and prevent any risk of failure. 4. High strength and toughness: Special steel used in the nuclear fuel industry should possess high strength and toughness to withstand the extreme conditions experienced within a nuclear reactor. This ensures that the steel can withstand the pressure and stress exerted on it during reactor operation. 5. Low neutron absorption: Neutron absorption is a critical factor in nuclear reactors. Special steel used in the industry should have low neutron absorption properties to prevent interference with the nuclear reactions and to maintain reactor efficiency. 6. Strict quality control and traceability: The manufacturing and fabrication of special steel for the nuclear fuel industry must adhere to stringent quality control procedures to ensure consistency and reliability. Traceability is also crucial to identify the origin and history of the steel, allowing for comprehensive inspections and assessments. Meeting these specific requirements is essential for the safe and efficient operation of nuclear power plants. Special steel used in the nuclear fuel industry must undergo rigorous testing, certification, and quality control processes to ensure its compliance with these stringent specifications.
Q: What are the applications of special steel in the nuclear industry?
Special steel is extensively used in the nuclear industry due to its unique properties. It is used to manufacture various components such as reactor vessels, steam generators, and fuel cladding, which require high strength, corrosion resistance, and heat resistance. Special steel ensures the safety and efficiency of nuclear power plants by withstanding extreme temperatures, pressures, and corrosive environments. Its applications in the nuclear industry are crucial for maintaining the integrity and reliability of nuclear facilities.
Q: What are the requirements for special steel used in telecommunications equipment manufacturing?
The requirements for special steel used in telecommunications equipment manufacturing can vary depending on the specific application and intended use. However, there are certain general requirements that are commonly sought after in this industry. Firstly, the special steel used in telecommunications equipment manufacturing should possess excellent mechanical properties, including high strength, toughness, and durability. This is crucial as telecommunications equipment often needs to withstand harsh weather conditions, extreme temperatures, and various environmental factors while maintaining its structural integrity. Secondly, the steel should have excellent corrosion resistance properties. Telecommunications equipment is often installed outdoors or in environments with high humidity, saltwater exposure, or chemical pollutants, which can lead to corrosion. Therefore, the special steel used in manufacturing such equipment should be resistant to corrosion to ensure longevity and reliable performance. Another important requirement is electromagnetic compatibility (EMC). Telecommunications equipment operates in an environment with various electrical and electromagnetic signals. The steel used should possess good electrical conductivity and magnetic permeability to minimize interference and maintain signal integrity. Additionally, the special steel used in telecommunications equipment manufacturing should have good thermal conductivity properties. This is important to dissipate heat generated during operation, preventing overheating and ensuring the equipment's reliability. Furthermore, the steel should be easily machinable and weldable to facilitate the manufacturing process. Ease of fabrication and forming is crucial to meet the specific design requirements of telecommunications equipment. Lastly, compliance with industry standards and regulations is essential. The special steel used in telecommunications equipment manufacturing should meet the relevant international standards and certifications to ensure safety, quality, and compatibility with other components in the telecommunication network. In summary, the requirements for special steel used in telecommunications equipment manufacturing include excellent mechanical properties, corrosion resistance, electromagnetic compatibility, thermal conductivity, machinability, and compliance with industry standards. Meeting these requirements ensures the production of high-quality and reliable telecommunications equipment.
Q: What are the main advantages of using special steel in the food processing industry?
The main advantages of using special steel in the food processing industry are its high resistance to corrosion, durability, and hygiene. Special steel is specifically designed to withstand harsh environments, such as exposure to acidic or alkaline substances, which are common in food processing. It does not rust or react with food, ensuring the quality and safety of the final product. Additionally, special steel is easy to clean and maintain, making it an ideal choice for food processing equipment.
Q: How is corrosion-resistant stainless steel used in the production of marine equipment?
Corrosion-resistant stainless steel is extensively used in the production of marine equipment due to its ability to withstand harsh marine environments. It is commonly used in the construction of ship hulls, propellers, valves, pumps, and other critical components. The stainless steel's resistance to corrosion helps prevent damage caused by saltwater, which can significantly extend the lifespan of the equipment and ensure its reliability and safety at sea.
Q: Can special steel be used in the production of surgical instruments?
Yes, special steel can be used in the production of surgical instruments. Special steel, such as stainless steel, is commonly used in the manufacturing of surgical instruments due to its durability, corrosion resistance, and ability to withstand sterilization processes. This type of steel ensures that surgical instruments maintain their integrity and functionality, making them suitable for use in medical procedures.
Q: What are the different methods for quenching special steel?
Quenching is a critical step in the heat treatment process of special steel, as it helps to achieve the desired mechanical properties and improve the material's hardness and strength. There are several methods for quenching special steel, each with its own advantages and considerations. 1. Oil Quenching: This is one of the most commonly used methods for quenching special steel. The steel component is immersed in oil, which acts as a cooling medium. Oil quenching provides a moderate rate of cooling, allowing for controlled and uniform hardening. It is suitable for a wide range of steel grades and can prevent cracking or distortion. 2. Water Quenching: Water quenching is a faster cooling method compared to oil quenching. It provides rapid heat extraction, resulting in higher hardness and strength. However, the high cooling rate can also lead to increased risk of cracking or distortion, especially with thicker sections. Water quenching is commonly used for low-alloy steels and some high-alloy steels. 3. Polymer Quenching: Polymer quenching involves using a specialized polymer solution as the cooling medium. This method provides a controlled cooling rate, offering a balance between the slower oil quenching and faster water quenching. Polymer quenching can be particularly suitable for steels with complex shapes or critical dimensions, as it reduces the risk of distortion and cracking. 4. Air Quenching: Air quenching is a slower cooling method that involves allowing the steel component to cool in ambient air. It is typically used for steels with lower hardenability, as it provides a more gradual cooling rate. Air quenching can help to reduce the risk of distortion and cracking, but it may result in lower hardness and strength compared to other quenching methods. 5. Salt Bath Quenching: Salt bath quenching involves immersing the steel component in a molten salt bath as the cooling medium. This method provides a controlled and uniform cooling rate, reducing the risk of distortion and cracking. Salt bath quenching is particularly suitable for complex-shaped or delicate parts, as it minimizes the thermal stress during cooling. It is important to note that the choice of quenching method depends on various factors, such as the steel grade, desired hardness, component size and shape, and the required mechanical properties. Proper selection and implementation of the quenching method are crucial to achieving the desired material characteristics and ensuring the overall quality of the special steel product.
Q: How does special steel perform in high-temperature creep conditions?
Special steel is specifically designed and engineered to perform exceptionally well in high-temperature creep conditions. It exhibits remarkable resistance to deformation and maintains its mechanical properties even at elevated temperatures, making it highly reliable and suitable for applications that require stability and strength in such environments.
Q: How is high-strength tool steel used in the production of heavy-duty tools?
High-strength tool steel is used in the production of heavy-duty tools due to its exceptional hardness, strength, and durability. This type of steel is capable of withstanding high loads and intense usage, making it ideal for tools that require strength and resilience. Its superior properties enable the production of heavy-duty tools such as drills, hammers, saws, and wrenches that can endure rigorous tasks and provide long-lasting performance.
Q: How does special steel contribute to the manufacturing of hydraulic components?
Special steel plays a crucial role in the manufacturing of hydraulic components due to its unique properties and characteristics. Hydraulic components, such as cylinders, pumps, valves, and fittings, work under high pressure and extreme conditions. Therefore, they require materials that can withstand these demanding environments. Special steel, also known as alloy steel, is specifically designed to possess exceptional strength, durability, and resistance to corrosion and wear. These properties make it an ideal material for hydraulic components, as they need to withstand high pressures, constant movement, and exposure to various fluids. The high strength of special steel allows hydraulic components to handle heavy loads and resist deformation, ensuring their long-term reliability and performance. Additionally, the durability of special steel ensures that hydraulic components can endure the continuous stress and movement without experiencing premature failures. Another significant advantage of special steel is its resistance to corrosion and wear. Hydraulic components often come into contact with different fluids, including water, oil, and chemicals. Special steel's resistance to corrosion protects the components from degradation and extends their lifespan. Furthermore, its resistance to wear minimizes the damage caused by friction, ensuring smooth operation and reducing maintenance requirements. Moreover, special steel can be easily machined and formed into complex shapes, allowing for the production of intricate hydraulic components with precise specifications. This versatility enables manufacturers to create components that are tailored to the specific requirements of different hydraulic systems, ensuring optimal performance and efficiency. In conclusion, special steel contributes significantly to the manufacturing of hydraulic components by providing the necessary strength, durability, corrosion resistance, and wear resistance. Its unique properties enable the production of high-quality and reliable hydraulic components that can withstand demanding environments and ensure the smooth operation of hydraulic systems.

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