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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Specification
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: What are the different heat treatment processes used for special steel?
- There are several heat treatment processes commonly used for special steel, including annealing, normalizing, quenching, tempering, and case hardening. Annealing involves heating the steel to a specific temperature and then slowly cooling it, which helps to improve its ductility and relieve internal stresses. Normalizing is similar to annealing but involves air cooling the steel after heating, resulting in a more uniform grain structure. Quenching is a process where the steel is rapidly cooled in a liquid medium, such as water or oil, to achieve high hardness and strength. Tempering follows quenching and involves reheating the steel to a lower temperature, reducing its hardness and increasing toughness. Case hardening is a surface hardening process where the steel is heated in the presence of a carbon-rich material, creating a hardened outer layer while maintaining a softer core. These heat treatment processes are used to enhance the mechanical properties and performance of special steel for various applications.
- Q: What are the different classifications of special steel?
- There are several classifications of special steel, including stainless steel, tool steel, high-speed steel, alloy steel, and carbon steel.
- Q: How are nickel-based alloys used in the aerospace industry?
- Nickel-based alloys are extensively used in the aerospace industry due to their superior strength, high temperature resistance, and excellent corrosion resistance properties. These alloys are commonly employed in the construction of aircraft engines, turbine blades, and exhaust systems. They help improve engine efficiency, enhance fuel economy, and ensure safe and reliable operations in extreme conditions, making them crucial for the advancement of aerospace technology.
- Q: How does tool and die steel maintain its hardness and wear resistance?
- Tool and die steel maintains its hardness and wear resistance through a combination of factors such as its chemical composition, heat treatment, and surface treatments. The steel is typically alloyed with elements like chromium, vanadium, and tungsten, which enhance its hardness and wear resistance properties. Additionally, through heat treatment processes like quenching and tempering, the steel is subjected to controlled heating and cooling cycles, which further contribute to its desired hardness and toughness. Surface treatments like nitriding or coating with materials like titanium nitride can also be applied to improve the wear resistance of the steel. Overall, it is the careful selection of steel composition, precise heat treatment, and appropriate surface treatments that enable tool and die steel to maintain its hardness and wear resistance.
- Q: How is special steel manufactured?
- Special steel is manufactured through a process called steelmaking, which involves combining iron with various alloying elements such as chromium, nickel, and molybdenum. This mixture is then heated and processed in electric arc furnaces or basic oxygen furnaces to remove impurities and adjust the chemical composition. The molten steel is further refined and cast into desired shapes or forms, followed by additional heat treatment processes like quenching and tempering to enhance its strength and special properties.
- Q: Can special steel be used for making food processing equipment?
- Yes, special steel can be used for making food processing equipment. Special steels such as stainless steel are commonly used in the food industry due to their corrosion resistance, hygienic properties, and ability to withstand high temperatures. These steels are suitable for equipment like mixers, tanks, conveyors, and cutting tools, ensuring safety and maintaining high standards of cleanliness in food processing facilities.
- Q: How does special steel contribute to the energy storage industry?
- Special steel plays a crucial role in the energy storage industry by providing high-strength and corrosion-resistant components for the manufacturing of batteries, turbines, and other energy storage systems. It enables the production of more efficient and durable energy storage devices, improving their overall performance and lifespan. Special steel also helps in reducing energy losses during storage and transmission processes, thus contributing to the increased efficiency of the energy storage industry.
- Q: How does special steel contribute to national security?
- National security is significantly enhanced by special steel, which serves various purposes. Firstly, it is extensively utilized in the production of military equipment and weapons. Tanks, armored vehicles, submarines, and aircraft carriers require special steel due to its exceptional strength, resilience, and resistance to corrosion. Incorporating special steel into military applications ensures the durability and reliability of these vital defense systems, ultimately strengthening national security. Secondly, special steel plays a pivotal role in the construction of critical infrastructure. Bridges, tunnels, and buildings, which are essential for a nation's functioning and security, rely on special steel. Its unparalleled strength and ability to withstand extreme conditions make it a crucial material for structures that must endure natural disasters, terrorist attacks, or other security threats. By incorporating special steel into infrastructure projects, a nation can fortify its security and safeguard its citizens. Additionally, special steel is of utmost importance in the energy sector, particularly within nuclear power plants. Special steel alloys are employed in the construction of reactor vessels and other components that encounter high temperatures and pressures. The utilization of special steel ensures the integrity and safety of these critical facilities, mitigating the risk of potential nuclear accidents that could pose significant threats to national security. Lastly, special steel contributes to national security by supporting the defense industry and fostering technological advancements. Research and development in special steel alloys often lead to breakthroughs in material engineering, which can have broader applications beyond defense. These advancements stimulate innovation in sectors such as aerospace, automotive, and energy, thereby augmenting a nation's overall technological capabilities and economic competitiveness. In conclusion, special steel's contribution to national security is multifaceted. Its incorporation in military equipment, critical infrastructure, nuclear power plants, and technological advancements all play a pivotal role in safeguarding a nation's interests, protecting its citizens, and maintaining its strategic advantage in an increasingly turbulent world.
- Q: How does special steel perform in marine applications?
- Special steel performs exceptionally well in marine applications due to its excellent corrosion resistance and high strength. The steel is specifically designed to withstand harsh marine environments, such as saltwater, which can cause corrosion and deterioration in other materials. Its resistance to corrosion ensures durability and longevity, making it an ideal choice for various marine components and structures, including ships, offshore platforms, and underwater equipment. Additionally, the high strength of special steel enhances the structural integrity and load-bearing capacity of marine applications, providing superior performance and safety in challenging conditions.
- Q: What are the main challenges in machining special steel?
- The main challenges in machining special steel include its high hardness and low machinability, which make it difficult to cut and shape. Special steels also have a tendency to work harden, causing tools to wear out quickly. Additionally, special steels often contain alloying elements that can lead to heat build-up during machining, requiring careful selection of cutting parameters and cooling methods.
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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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