Grade DIN35CrMo4 CNBM Alloy Steel Round Bar
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 10000 m.t./month
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Specification
Type:
Gear Steel
Shape:
Steel Round Bar
Specifications:
1. Commodity: Alloy Steel Round Bar
2. Technical: Hot rolling
3. Length: Min. 5.8meter, according to requirement.
4.Diameter: 16mm-250mm
Chemical Composition:
Grade | C | Si | Mn | Cr | P | S | Ni | Cu | Mo |
35CrMo4 | 0.32-0.40 | 0.17-0.37 | 0.40-0.70 | 0.80-1.10 | ≤0.035 | ≤0.035 | ≤0.03 | ≤0.03 | 0.15-0.25 |
Mechanical Property:
Grade | Tensile Strengthσb (MPa) | Yield Strength | Elongation | Reduction of Area ψ (%) | Impact Akv(J) | Hardness |
σs (MPa) | δ5 (%) | |||||
35CrMo4 | ≥980(100) | ≥785(80) | ≥9 | ≥45 | ≥47 | ≤207HB |
Usage and Applications:
Gear, Sleevesspool,Shaft, Crankshaft, Pin
Packaging & Delivery:
Packaging Detail: Standard seaworthy packing or as customer required; all goods are packed in bundle with steel strips and shipped by break bulk vessel or container
Delivery Detail: 15~45 days
Production Flow:
EAF+LF+VD+ Forged+ Heat Treatment
Material prepare (billet) — heat up — rough rolling — precision rolling — cooling — packing — storage and transportation
Quality Assurance:
1. We will strictly inspect our production that we sold according to the customer’s request.
2. Our steel reaches international quality standards.
3. Quality should be in conformity with the specification of the manufacturer. Quantity and packing conditions should be in conformity with the term in the contract.
4. Should the packing found damaged, the buyer has the right to claim to the seller
- Q: How does special steel perform in high-velocity impact conditions?
- Special steel is specifically designed to provide exceptional performance in high-velocity impact conditions. Its unique composition and metallurgical properties make it highly resistant to deformation and failure when subjected to extreme forces. One of the key characteristics of special steel is its high strength, which allows it to withstand the tremendous forces experienced in high-velocity impact situations. This strength is a result of careful alloying and heat treatment processes that enhance the material's ability to absorb and distribute energy. As a result, special steel can effectively resist deformation and maintain its structural integrity even under severe impact loads. Additionally, special steel possesses excellent toughness, enabling it to absorb large amounts of energy before fracturing. This property is crucial in high-velocity impact conditions, where the material needs to withstand sudden and intense forces. The high toughness of special steel allows it to absorb and dissipate the impact energy, preventing catastrophic failure and ensuring the continued performance of the component or structure. Moreover, special steel often exhibits excellent wear and abrasion resistance, which is beneficial in high-velocity impact scenarios that involve sliding or rubbing contact. This resistance to wear ensures that the material retains its integrity and functionality even under prolonged and repetitive impact conditions, reducing the risk of premature failure. In summary, special steel performs exceptionally well in high-velocity impact conditions due to its high strength, excellent toughness, and superior wear resistance. Its ability to withstand extreme forces and absorb impact energy effectively makes it a preferred choice for applications where durability and reliability are paramount.
- Q: What are the different forming techniques for special steel?
- Some of the different forming techniques for special steel include hot forging, cold forging, extrusion, rolling, and casting. These techniques allow for the shaping and manipulation of the steel to meet specific requirements, such as strength, durability, and dimensional accuracy. Each technique has its own advantages and can be chosen based on the desired outcome and the characteristics of the special steel being used.
- Q: What are the applications of special steel in the nuclear industry?
- Special steel has various applications in the nuclear industry due to its unique properties. It is commonly used in the construction of nuclear reactors, fuel assemblies, and containment vessels. Special steel's high strength, corrosion resistance, and ability to withstand high temperatures make it ideal for these applications, ensuring the safety and efficiency of nuclear power plants.
- Q: How does aluminum contribute to the properties of special steel?
- Special steel commonly incorporates aluminum as an alloying element to bolster its properties. The addition of aluminum yields multiple enhancements. Firstly, the inclusion of aluminum elevates the strength of the steel by creating a fine dispersion of aluminum nitride particles within the steel matrix. These particles act as barriers that impede dislocation movement, hindering steel deformation and amplifying its strength. Consequently, the steel becomes more resistant to mechanical stresses, thereby augmenting its load-bearing capacity. Secondly, aluminum also boosts the steel's corrosion resistance. It forms a protective oxide layer on the steel's surface, acting as a barrier against corrosive agents. This oxide layer prevents the steel from oxidizing, rusting, and deteriorating over time, thereby rendering it more durable and long-lasting in various environments. Moreover, aluminum can enhance the machinability of special steel. Its presence in the steel composition reduces the steel's tendency to work harden during machining operations. Consequently, cutting, drilling, or shaping the steel becomes easier, resulting in improved productivity and reduced tool wear. Furthermore, aluminum contributes to the heat resistance of special steel. With its high melting point and excellent thermal conductivity, aluminum aids in maintaining the steel's structural integrity at elevated temperatures. This renders aluminum-steel alloys suitable for applications demanding high-temperature resistance, such as those in the aerospace and automotive industries. In conclusion, aluminum plays a significant role in enhancing the properties of special steel. It bolsters strength, corrosion resistance, machinability, and heat resistance, making it a versatile material applicable in various fields.
- Q: How does spring steel maintain its elasticity?
- Spring steel maintains its elasticity due to its unique composition and manufacturing process. It is made from a specific type of high-carbon steel that undergoes a specialized heat treatment called quenching and tempering. This process involves heating the steel to a high temperature and then rapidly cooling it in water or oil, followed by reheating to a specific temperature and allowing it to cool slowly. This heat treatment creates a fine-grained microstructure in the steel, which gives it the ability to withstand repeated bending or twisting without permanently deforming. Additionally, the high carbon content in spring steel enhances its strength and resilience, allowing it to return to its original shape even after being subjected to significant force or pressure.
- Q: What are the main advantages of using special steel in the defense industry?
- The main advantages of using special steel in the defense industry are its exceptional strength, durability, and resistance to corrosion. Special steel is able to withstand extreme conditions and high impact forces, making it ideal for producing armor, weapons, and military vehicles. Additionally, its resistance to corrosion ensures that the equipment remains functional even in harsh environments, increasing its longevity and reliability.
- Q: What are the challenges in machining special steel with high hardness?
- One of the major challenges in machining special steel with high hardness is the excessive tool wear. High hardness steel tends to be abrasive and causes rapid tool degradation, leading to frequent tool changes and increased production costs. Additionally, the high hardness makes it difficult to achieve precise cuts and maintain tight tolerances, affecting the overall quality of the machined parts. Another challenge is the generation of high cutting forces, which can strain the machine and potentially cause vibrations or distortions in the workpiece. Therefore, machining special steel with high hardness requires specialized tooling, advanced cutting strategies, and careful monitoring to overcome these challenges and achieve satisfactory results.
- Q: How does special steel perform in mining applications?
- Special steel performs exceptionally well in mining applications due to its unique properties and characteristics. It offers superior strength, hardness, and durability, making it highly resistant to wear, abrasion, and impact. This enables special steel to withstand the harsh and demanding conditions typically encountered in mining operations, including heavy loads, extreme temperatures, and corrosive environments. Additionally, its excellent machinability and weldability facilitate easy fabrication and repair of mining equipment, ensuring prolonged service life and efficient performance. Overall, special steel plays a crucial role in enhancing the productivity, safety, and reliability of mining operations.
- Q: What are the requirements for special steel used in transportation infrastructure?
- Special steel used in transportation infrastructure must meet certain requirements to ensure its durability, strength, and resistance to various environmental factors. Some of the key requirements for special steel in transportation infrastructure include: 1. High Strength: Special steel used in transportation infrastructure must have high tensile strength to withstand heavy loads and stresses. It should be able to resist deformation and maintain its structural integrity under significant pressure. 2. Corrosion Resistance: Transportation infrastructure is often exposed to harsh weather conditions, including rain, humidity, and saltwater. Special steel must have excellent corrosion resistance to prevent rusting and deterioration over time. This is particularly important for bridges, tunnels, and railway tracks located near coastal areas. 3. Fatigue Resistance: Transportation infrastructure experiences repetitive and cyclic loading, which can lead to fatigue failure if the steel used is not resistant to this type of stress. Special steel should have good fatigue resistance properties to prevent cracking and failure due to repeated loading. 4. Weldability: Special steel used in transportation infrastructure should have good weldability to facilitate construction and repairs. It should be easily weldable without compromising its strength and performance. 5. Impact Resistance: Transportation infrastructure, such as guardrails and crash barriers, is subjected to impact loads from vehicles. Special steel should possess excellent impact resistance to absorb and distribute the energy from impacts, reducing the risk of catastrophic failure. 6. Fire Resistance: In the event of a fire, special steel used in transportation infrastructure should have a high melting point and retain its structural integrity for a reasonable amount of time. This is crucial for ensuring the safety of passengers and minimizing the damage caused by fire incidents. 7. Low Maintenance: For cost-effectiveness and long-term sustainability, special steel used in transportation infrastructure should require minimal maintenance. It should have a long service life and minimal need for repainting, repair, or replacement. Meeting these requirements ensures that the special steel used in transportation infrastructure can provide a safe, reliable, and durable foundation for roads, bridges, railway tracks, and other critical components of the transportation network.
- Q: How does special steel contribute to reducing product maintenance requirements?
- Special steel contributes to reducing product maintenance requirements by providing enhanced strength, durability, and corrosion resistance. Its unique composition and properties make it more resistant to wear, impact, and environmental factors, thereby minimizing the need for frequent repairs or replacements. Additionally, special steel's high temperature resistance and low maintenance characteristics ensure prolonged product lifespan and decreased maintenance costs.
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Grade DIN35CrMo4 CNBM Alloy Steel Round Bar
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 10000 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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