Alloy Steel SUJ2 Bearing Round Steel Special 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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Item specifice
Type:
Bearing 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(GB)%
| C | Si | Mn | Cr | Cu | S |
| 0.95-1.05 | 0.15-0.35 | 0.25-0.45 | 1.4-1.65 | ≤0.20 | ≤0.020 |
Heat Treatment
| Item | Temperature ℃ | Hardness |
| Anneal | 790-810 | 170-207HB |
| Quenching | 830-860 | 62-66HRC |
| Tempering | 150-180 | 61-66HRC |
Characterstics
| 1.Uniform hardness,Good abrasion resistance |
| 2.High contact fatigue resistance |
| 3.Cutting performance in general |
Applications: Used to make the load of the larger small cross-section conditioning and stress smaller large parts
1, Your advantages?
professional products inquiry, products knowledge train (for agents), smooth goods delivery, excellent customer solution proposale
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
6, After-sale Service?
We provides the services and support you need for every step of our cooperation. We're the business partner you can trust.
For any problem, please kindly contact us at any your convenient time.
We'll reply you in our first priority within 24 hours.
- Q:Can special steel be used in cryogenic applications?
- Yes, special steel can be used in cryogenic applications. Special steels, such as stainless steels, are known for their excellent resistance to low temperatures and can maintain their mechanical properties even at extremely cold temperatures. This makes them suitable for use in cryogenic applications where materials need to withstand and perform well in extreme cold environments.
- Q:How does special steel perform in electrical conductivity applications?
- Special steel, also known as stainless steel, offers excellent electrical conductivity properties in various applications. It is widely used in electrical engineering and electronics due to its high corrosion resistance and low electrical resistance. The addition of specific alloys such as chromium and nickel enhances its conductivity, making it an ideal choice for conducting electricity efficiently. In electrical conductivity applications, special steel exhibits low resistivity, allowing for the smooth flow of electrical current without significant loss of energy. Its low resistance minimizes the generation of heat, which is crucial for preventing overheating and ensuring the efficient operation of electrical components. Special steel also possesses excellent magnetic properties, making it suitable for applications that require both electrical conductivity and magnetic strength. This property is particularly useful in the production of transformers, motors, and generators. Moreover, special steel is highly durable and can withstand harsh environmental conditions, making it suitable for outdoor applications. Its corrosion resistance prevents the formation of rust, ensuring a long lifespan and consistent performance even in challenging environments. In summary, special steel is an excellent choice for electrical conductivity applications due to its low electrical resistance, high corrosion resistance, and exceptional durability. Its unique properties make it a preferred material in various industries that rely on efficient and reliable electrical conductivity.
- Q:What are the properties of silicon steel?
- Silicon steel, also known as electrical steel, possesses several notable properties. It has a high magnetic permeability, which enables it to efficiently conduct and generate electric currents. Additionally, silicon steel exhibits low core losses, making it ideal for use in electrical transformers and motors where energy efficiency is crucial. Furthermore, it has a high resistivity, allowing it to minimize eddy current losses. Overall, silicon steel's properties make it a valuable material in various electrical applications.
- Q:Can special steel be used for precision instruments?
- Yes, special steel can be used for precision instruments. Special steel, such as tool steel or stainless steel, offers excellent hardness, strength, and corrosion resistance, making it ideal for precision instruments that require high accuracy and durability.
- Q:What is the significance of special steel in the medical field?
- Special steel, which is also referred to as medical grade steel, holds a vital role in the medical field due to its distinct properties and importance. Specifically designed and produced to meet the strict requirements of the healthcare industry, special steel's significance in the medical field can be grasped through the following points: 1. Biocompatibility: Special steel demonstrates biocompatibility, meaning it is non-toxic and does not elicit an adverse reaction when it comes into contact with the human body. This makes it an ideal material for medical devices like surgical instruments, implants, and orthopedic tools. 2. Resistance to corrosion: Special steel exhibits high resistance to corrosion and rust, ensuring the endurance and durability of medical instruments. Instruments used in surgical procedures require repeated sterilization, and the corrosive nature of sterilization agents can degrade ordinary steel. Special steel, with its superior resistance to corrosion, can withstand these harsh conditions, decreasing the risk of contamination and preserving the integrity of medical equipment. 3. Mechanical properties: Special steel possesses exceptional mechanical properties, such as high strength, toughness, and ductility. These characteristics are crucial for medical devices as they need to endure the stresses and strains of surgical procedures, maintain their shape, and deliver reliable performance. 4. Compatibility with sterilization: Special steel can withstand various sterilization methods, including steam sterilization, ethylene oxide sterilization, and gamma radiation. This guarantees that medical instruments made from special steel can be effectively sterilized, preventing the transmission of infections and minimizing the risk of contamination during surgeries. 5. Precision manufacturing: Special steel can be shaped into intricate forms and sizes, enabling the production of precise medical instruments. Its superior machinability allows for the creation of fine and sharp edges, which are vital for surgical tools used in delicate procedures. 6. Antibacterial properties: Certain special steels, such as stainless steel, possess inherent antibacterial properties. This characteristic is particularly crucial in the medical field, where preventing infections is of utmost importance. Instruments made from antibacterial special steel can hinder the growth of bacteria, minimizing the risk of post-operative complications. In conclusion, the significance of special steel in the medical field lies in its biocompatibility, resistance to corrosion, mechanical properties, compatibility with sterilization, precision manufacturing, and potential antibacterial properties. These qualities render special steel an indispensable material for the manufacturing of medical devices, ensuring their dependability, durability, and safety for both healthcare professionals and patients.
- Q:What are the main applications of special steel in the agricultural sector?
- Special steel has various applications in the agricultural sector, primarily in the manufacturing of machinery and equipment. It is used to develop durable and robust components such as plows, tillers, cultivators, harvesters, and irrigation systems. Special steel's high strength and resistance to corrosion make it suitable for withstanding the demanding conditions encountered in agricultural operations, ensuring efficient and reliable performance of machinery in the field.
- Q:What are the different welding techniques for special steel?
- There are several different welding techniques used for special steel, including shielded metal arc welding (SMAW), gas tungsten arc welding (GTAW), gas metal arc welding (GMAW), and submerged arc welding (SAW). Each technique offers unique advantages and is chosen based on factors such as the type of special steel being welded, the desired weld quality, and the specific requirements of the project.
- Q:How does special steel contribute to the impact resistance of products?
- Special steel, also known as high-strength or high-performance steel, plays a crucial role in enhancing the impact resistance of various products. This type of steel is specifically designed to possess exceptional strength, toughness, and durability, making it highly resistant to deformation and fracture under high-stress conditions. One of the key factors that contribute to the impact resistance of special steel is its composition. Special steel often contains alloying elements such as manganese, chromium, nickel, molybdenum, and vanadium, which are incorporated to enhance its mechanical properties. These alloying elements provide the steel with increased hardness, tensile strength, and resistance to wear, corrosion, and fatigue. As a result, products made from special steel are capable of withstanding heavy impact loads without deforming or breaking. Furthermore, the microstructure of special steel plays a vital role in its impact resistance. Through advanced manufacturing techniques, the steel's microstructure can be fine-tuned to achieve a desirable combination of strength and toughness. Special heat treatment processes, such as quenching and tempering, can further refine the microstructure, resulting in a material that can absorb and dissipate energy more effectively. This makes special steel highly resistant to cracks and fractures, even when subjected to sudden and severe impacts. In addition to its intrinsic properties, special steel is often used in the form of engineered components or structures that are specifically designed for impact resistance. For example, in the automotive industry, special steel is utilized for manufacturing components like crash beams, bumpers, and roll cages. These components are designed to absorb and distribute impact energy, protecting the vehicle and its occupants during accidents. Overall, special steel significantly contributes to the impact resistance of products by providing superior strength, toughness, and durability. Its unique composition, microstructure, and design enable it to withstand high-stress conditions and absorb impact energy effectively. As a result, products made from special steel offer enhanced safety and reliability, making them suitable for a wide range of applications in industries such as automotive, aerospace, construction, and defense.
- Q:Can special steel be used in the production of springs for watches?
- Yes, special steel can be used in the production of springs for watches. Special steel, commonly known as spring steel, possesses high elasticity and strength, making it ideal for creating precision springs that are essential for the functioning of watches. It provides the necessary resilience and durability required for the accurate and reliable timekeeping of watches.
- Q:What are the different methods of improving the toughness of special steel?
- To enhance the toughness of special steel, various techniques can be utilized. One effective method involves the addition of alloying elements such as nickel, chromium, or manganese to the steel composition. These elements contribute to increased strength and resistance to cracking or fracturing. Another approach is to apply heat treatment processes like quenching and tempering. Quenching rapidly cools the steel from a high temperature, resulting in a hardened structure. On the other hand, tempering involves reheating the quenched steel to a specific temperature and then slowly cooling it. In addition, grain refinement techniques can be employed to improve toughness. Controlling the size and distribution of grains within the steel enhances its resistance to fracture. Methods like grain size control through recrystallization and severe plastic deformation can be used to refine the grain structure. Furthermore, maintaining low impurity content in the steel is crucial for its toughness. Impurities like sulfur and phosphorus can cause brittleness, so refining and purification processes should be employed to reduce their presence. Moreover, surface treatment methods such as shot peening or surface hardening can be implemented. Shot peening involves bombarding the steel surface with small spherical particles to induce compressive stress, which helps in resisting crack propagation. Surface hardening techniques like carburizing or nitriding create a hardened layer on the surface, enhancing toughness. In conclusion, improving the toughness of special steel can be achieved through alloying, heat treatment, grain refinement, impurity control, and surface treatment. These techniques can be used individually or in combination to enhance the steel's properties and make it more resistant to cracking or fracturing.
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Alloy Steel SUJ2 Bearing Round Steel Special 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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