Alloy Steel 35CrMo Special Steel Carbon Steel
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 10000 m.t./month
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Specification
Type:
Alloy Steel
Shape:
Steel Round Bar
Standard:
AISI,JIS,GB,BS,DIN,API,EN,ASTM
Thickness:
as required
Technique:
Hot Rolled,Cold Rolled,Cold Drawn,ERW,Forged,Extruded,EFW,Spring
Shape:
U Channel,Square,C Channel,Hexagonal,Round
Surface Treatment:
Galvanized,Coated,Copper Coated,Color Coated,Oiled,Dry,Chromed Passivation,Polished,Bright,Black,PVDF Coated
Steel Grade:
Q195,Q215,Q235,Q215B,Q235B,RHB335,HRB400,200 Series,300 Series,400 Series,600 Series,SS400-SS490,10#,20#,A53(A,B)
Certification:
ISO,SGS,BV,IBR,RoHS,CE,API,BSI,UL
Length:
as required
Net Weight:
as required
Chemical Composition(%)
| C | Si | Mn | Cr | Mo | Ni | P | S |
| 0.32-0.40 | 0.20-0.40 | 0.40-0.70 | 0.80-1.10 | 0.15-0.25 | ≤0.30 | ≤0.035 | ≤0.035 |
Standard
| GB | AISI | DIN | JIS | BS |
| 35CrMo | 4137 | 34CrMo4 | SCM432 | 708A37 |
Available Size
| Rolled round bar | φ20-120mm × L |
| Forged round bar | φ130-195mm × L |
Characterstics
| The steel with high strength and toughness, hardenability is better also | |||||||
| After conditioning treatment quenching deformation of small | |||||||
| high fatigue limit and repeated impact resistance |
Applications: The steel is suitable for manufacturing requires a certain strength and toughness of large and medium-sized plastic mold
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2, Test & Certificate?
SGS test is available, customer inspection before shipping is welcome, third party inspection is no problem
3, Payment Terms?
30% TT as deposit and 70% before delivery.
Irrevocable L/C at sight.
4, Trading Terms?
EXW, FOB, CIF, FFR, CNF
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- Q: What are the common challenges in machining titanium alloys?
- Successful and efficient results in machining titanium alloys require addressing several common challenges. One primary challenge is the inherent strength and hardness of the material. Titanium alloys are renowned for their excellent strength-to-weight ratio, making them ideal for various applications. However, this same strength makes them difficult to machine. The high strength of titanium alloys increases the cutting forces needed during machining, resulting in faster tool wear and reduced tool life. This necessitates the use of robust cutting tools made from carbide or ceramic, capable of withstanding demanding conditions and maintaining cutting performance. Another challenge in machining titanium alloys is their poor thermal conductivity. This characteristic leads to rapid heat buildup during cutting, causing localized high temperatures. These high temperatures can cause thermal damage to both the cutting tool and the workpiece, reducing dimensional accuracy and surface finish. To overcome this challenge, implementing effective cooling and lubrication techniques, such as using coolant or high-pressure air, is crucial to dissipate heat and prevent overheating. Furthermore, machining titanium alloys often results in the generation of built-up edge (BUE). BUE refers to the accumulation of workpiece material on the cutting tool, leading to poor chip evacuation, increased cutting forces, and surface finish issues. To mitigate BUE formation, it is recommended to use appropriate cutting speeds and feed rates, as well as cutting fluids that aid in chip evacuation and prevent material adhesion on the tool. Additionally, titanium alloys react strongly with oxygen, causing the formation of a stubborn oxide layer on the surface during machining. This oxide layer can cause tool chipping and premature wear. To combat this, it is necessary to employ suitable cutting speeds and feeds that efficiently remove material while minimizing prolonged exposure to the reactive nature of titanium alloys. Lastly, the low thermal expansion coefficient of titanium alloys can result in workpiece distortion and dimensional inaccuracies. To address this challenge, it is important to ensure proper fixturing and clamping techniques that minimize workpiece movement during machining. In conclusion, machining titanium alloys presents challenges such as high cutting forces, poor thermal conductivity, built-up edge formation, reactive oxide layer, and workpiece distortion. These challenges can be overcome by using appropriate cutting tools, effective cooling and lubrication techniques, proper cutting parameters, and careful workpiece handling.
- Q: Can special steel be used for making aerospace engine components?
- Yes, special steel can be used for making aerospace engine components. Special steel alloys, such as nickel-based superalloys and stainless steels, are commonly used in the aerospace industry due to their excellent mechanical properties, high temperature resistance, and superior corrosion resistance. These alloys are specifically designed to withstand the extreme conditions and demands of aerospace engines, including high temperatures, pressures, and stress levels. Additionally, special steel alloys offer high strength-to-weight ratios, which is crucial for reducing the weight of aerospace components while maintaining structural integrity. Therefore, the use of special steel in aerospace engine components ensures the reliability, performance, and safety of the engines in aeronautical applications.
- Q: How does special steel perform in high-vibration environments?
- Special steel performs well in high-vibration environments due to its exceptional strength, durability, and ability to dampen vibrations. Its unique composition and heat treatment make it highly resistant to fatigue, reducing the risk of fractures or failures caused by constant vibrations. Additionally, special steel's excellent hardness and toughness properties allow it to maintain its structural integrity and performance even under severe vibration conditions.
- Q: How is special steel used in the production of aircraft landing gear?
- Special steel is used in the production of aircraft landing gear due to its high strength, durability, and resistance to fatigue. It helps ensure the landing gear can withstand the stress and impact forces experienced during takeoff, landing, and taxiing. Additionally, special steel alloys are used to create components with precise dimensions and superior corrosion resistance, ensuring the landing gear performs reliably in various environmental conditions.
- Q: What are the different methods for improving the magnetic properties of special steel?
- There are several methods for improving the magnetic properties of special steel, including annealing, alloying, and heat treatment. Annealing involves heating the steel to a specific temperature and then slowly cooling it, which helps to refine the grain structure and reduce magnetic losses. Alloying is another method, where specific elements like nickel or cobalt are added to the steel to enhance its magnetic properties. Heat treatment is also commonly used, involving controlled heating and cooling processes to alter the microstructure and improve magnetic performance.
- Q: How does the carbon content affect the properties of special steel?
- The properties of special steel are determined by the carbon content, playing a crucial role. Adding carbon to the steel modifies its microstructure and influences various mechanical and physical properties. The main impact of carbon content is on the steel's hardness and strength. Raising the carbon content in special steel leads to an increase in hardness. This occurs because carbon atoms occupy the interstitial sites in the iron lattice, causing a distortion in the crystal structure. Consequently, the steel becomes more resistant to deformation. Additionally, a higher carbon content results in a greater martensitic transformation during heat treatment, further enhancing the material's hardness. Moreover, the strength of special steel is significantly affected by the carbon content. Increased carbon levels lead to greater strength due to the formation of stronger and more abundant carbide precipitates. These carbides act as obstacles to the movement of dislocations, making it more challenging for the steel to deform under load. However, it is important to acknowledge that higher carbon content comes with certain trade-offs. As the carbon content increases, the steel's ductility decreases. This means that the material becomes less capable of deforming without fracturing. High carbon content can make the steel brittle, reducing its toughness and impact resistance. In addition to hardness and strength, carbon content impacts other properties of special steel. It affects the material's wear resistance, as higher carbon content leads to the formation of harder carbides that can withstand wear and abrasion. Carbon also influences the steel's machinability, with higher carbon content making the material more difficult to machine due to increased hardness. In conclusion, the carbon content significantly influences the properties of special steel. It affects hardness, strength, ductility, toughness, wear resistance, and machinability. Therefore, when determining the appropriate carbon content for special steel, careful consideration of desired properties and application requirements is necessary.
- Q: How does special steel contribute to reducing product weight?
- Special steel contributes to reducing product weight through its unique properties. Special steel is known for its high strength-to-weight ratio, allowing manufacturers to use thinner and lighter steel components without compromising on strength and durability. This means that products made with special steel can be designed with reduced material thickness, resulting in overall weight reduction. Additionally, special steel's excellent corrosion resistance properties can eliminate the need for additional protective coatings, further reducing the product's weight.
- Q: What are the different methods of joining special steel components?
- Some of the different methods of joining special steel components include welding, brazing, soldering, and mechanical fastening.
- Q: How does special steel contribute to the fatigue resistance of products?
- Special steel contributes to the fatigue resistance of products through its unique properties and manufacturing processes. Firstly, special steel is specifically designed and engineered to have enhanced strength and durability, making it highly resistant to fatigue. This is achieved by incorporating alloying elements such as chromium, nickel, molybdenum, and vanadium, which improve the material's ability to withstand cyclic loading and stress. In addition, special steel undergoes rigorous heat treatment processes, such as quenching and tempering, to further enhance its fatigue resistance. These processes help refine the microstructure of the steel, resulting in a more uniform and fine-grained material. This, in turn, improves the steel's resistance to crack initiation and propagation, which are key factors leading to fatigue failure. Moreover, special steel often undergoes specialized surface treatments, such as shot peening or nitriding, which introduce compressive residual stresses on the surface of the material. These compressive stresses act as a barrier against crack formation and growth, significantly enhancing the fatigue resistance of the product. Additionally, special steel can be manufactured with specific grain orientations, such as through the use of directional solidification techniques. This allows for the alignment of grains along the primary loading direction, improving the material's fatigue performance by reducing the likelihood of crack initiation at grain boundaries. Overall, the unique properties and manufacturing processes associated with special steel contribute to its exceptional fatigue resistance. Its enhanced strength, refined microstructure, specialized surface treatments, and tailored grain orientations all work together to prolong the lifespan and reliability of products, making special steel a preferred choice in various industries where fatigue failure is a concern.
- Q: What are the mechanical properties of special steel?
- Special steels, also known as alloy steels, possess enhanced mechanical properties compared to regular carbon steels. These properties vary depending on the specific alloying elements and their concentration. Some common mechanical properties of special steel include: 1. High tensile strength: Special steels are known for their exceptional strength, making them suitable for applications that require high load-bearing capacity. The tensile strength of these steels can range from 500 MPa to over 2,000 MPa, depending on the composition. 2. Improved hardness: Alloying elements in special steels can significantly increase their hardness. This property is desirable for applications that require resistance to wear and abrasion. Special steels can achieve hardness levels ranging from 200-600 HB (Brinell hardness), depending on the specific alloy composition and heat treatment. 3. Good toughness: Special steels often exhibit good toughness, which refers to the ability to absorb energy before fracturing. This property is crucial for components subjected to impact or dynamic loading. The combination of high strength and toughness makes special steels suitable for demanding applications such as automotive parts or industrial machinery. 4. Excellent fatigue resistance: Special steels are designed to withstand cyclic loading without failure. They exhibit enhanced fatigue resistance, allowing them to endure repeated stress cycles without compromising their structural integrity. This property makes special steels ideal for critical components in aerospace, automotive, and machinery industries. 5. Superior corrosion resistance: Depending on the alloy composition, special steels can offer improved corrosion resistance compared to regular carbon steels. The addition of elements like chromium, nickel, or molybdenum helps to form protective oxide layers on the surface, preventing corrosion and increasing durability. 6. High temperature resistance: Some special steels are specifically formulated to perform well at elevated temperatures. They possess excellent heat resistance and can retain their mechanical properties even at extreme temperatures. This property is crucial for applications such as turbine blades, exhaust systems, or high-temperature furnaces. It is important to note that the specific mechanical properties of special steel can vary widely depending on the specific alloy composition, heat treatment, and processing techniques used. Therefore, it is essential to consult the material specifications or consult with experts to determine the exact mechanical properties of a particular special steel.
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Alloy Steel 35CrMo Special Steel Carbon Steel
- Ref Price:
-
- Loading Port:
- China main port
- 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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