• Special Steel SUJ2 Bearing Steel Round Bar System 1
  • Special Steel SUJ2 Bearing Steel Round Bar System 2
  • Special Steel SUJ2 Bearing Steel Round Bar System 3
Special Steel SUJ2 Bearing Steel Round Bar

Special Steel SUJ2 Bearing Steel Round Bar

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

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Specification

Type:
Carbon Steel,Deformed Steel,Gear Steel,Bearing Steel,Spring Steel,Alloy Steel,Stainless Steel
Shape:
Steel Angle,Steel Round Bar,Steel Billets,Steel Square Bar,Steel Flat Bar,Steel Wire Rod,Steel Sheet,Steel Coil
Technique:
Hot Rolled,Cold Rolled,Cold Drawn,ERW,Forged,Saw,EFW,Spring,Extruded
Surface Treatment:
Galvanized,Coated,Copper Coated,Color Coated,Oiled,Dry,Chromed Passivation,Polished,Bright,Black,PVDF Coated
Certification:
UL,ISO,SGS,BV,IBR,RoHS,CE,API,BSI

Product information:

Standard

JIS

Grade

SUJ2

MOQ

1 Metric Ton

Diameter

8mm~1500mm

Length

6m,12m or as required.

Diameter Tolerance

within the allowable range or as required.

Condition of delivery

Hot rolled (forged) without annealing,annealing,cold drawn,polished or as required.

Chemical Composition(%)

C

Si

Mn

P

S

Cr

0.95-1.05

0.15-0.35

0.25-0.45

≤0.025

≤0.025

1.40-1.65

Ni

Mo

 Cu

  Ni+Cu



≤0.30

≤0.08

 ≤0.25

 ≤0.50



Mechanical Properties(In Quenching and Tempering)

Tensile strength

Yield strength

Elongation

Reduction in Area

Impact

Hardness

(σb/MPa)

(σs/MPa)

(δ5/%)

(ψ/%)

(J)

(HRC)

861.3

518.4227.95--

 --

25.8

Product Show:

Special Steel SUJ2 Bearing Steel Round Bar


Workshop Show:

Special Steel SUJ2 Bearing Steel Round Bar

Shipping 

1. FedEx/DHL/UPS/TNT for samples, Door-to-Door;

2. By Air or by Sea for batch goods, for FCL; Airport/ Port receiving;

3. Customers specifying freight forwarders or negotiable shipping methods!

Delivery Time: 3-7 days for samples; 5-25 days for batch goods.

 

Payment Terms

1.Payment: T/T, L/C, Western Union, MoneyGram,PayPal; 30% deposits; 70% balance before delivery.

2.MOQ: 1pcs

3.Warranty : 3 years

4.Package Informations: 1) EXPORT, In 20 feet (GW 25 ton) or 40 feet Container (GW 25 ton)

                                        2)as customer's requirement


Why choose us? 

(1) The leading exporter in China special steel industry.       

(2) Large stocks for various sizes, fast delivery date.       

(3) Good business relationship with China famous factories.       

(4) More than 7 years steel exporting experience.       

(5) Good after-sales service guarantee. 


Q: How does special steel contribute to the renewable energy industry?
Special steel contributes to the renewable energy industry by enabling the development and growth of various renewable energy technologies. Its exceptional strength, durability, and resistance to corrosion make it an essential material for manufacturing wind turbines, solar panels, and hydroelectric power plants. Special steel components withstand the harsh environmental conditions in these renewable energy systems, ensuring their reliability and longevity. Additionally, special steel's high magnetic permeability is crucial for the construction of transformers and generators, essential components in renewable energy infrastructure. In summary, special steel plays a vital role in supporting the renewable energy industry's expansion and sustainability.
Q: What are the main applications of special steel in the automotive electrical systems?
Special steel is widely used in automotive electrical systems for various applications. One of the main uses is in the production of electrical connectors and terminals, where special steel offers excellent conductivity and corrosion resistance. Additionally, special steel is utilized in the manufacturing of electrical contacts, relays, and switches, ensuring reliable and efficient performance in the automotive electrical systems.
Q: What are the specific requirements for special steel used in the marine propeller industry?
The specific requirements for special steel used in the marine propeller industry include high tensile strength, excellent corrosion resistance, and good weldability. The steel must also be able to withstand the harsh marine environment, including exposure to seawater and marine organisms. Additionally, it should possess good fatigue resistance to withstand the constant rotation and stress placed on the propeller blades.
Q: What are the main advantages of using special steel in the construction industry?
The main advantages of using special steel in the construction industry are its exceptional strength, durability, and versatility. Special steel has a high tensile strength, allowing for the construction of structures that can withstand heavy loads and extreme conditions. Its durability ensures a longer lifespan for buildings, reducing maintenance costs. Additionally, special steel can be manufactured in various forms and shapes, making it highly versatile and adaptable to different construction requirements.
Q: How does special steel behave under different types of loading conditions?
Special steel, also known as alloy steel, exhibits unique behavior under different types of loading conditions. It is specifically designed to possess exceptional mechanical properties, making it suitable for a wide range of applications where high strength, toughness, and resistance to wear or corrosion are required. Under tension loading, special steel demonstrates excellent tensile strength and ductility, enabling it to withstand pulling forces without easily fracturing. This property makes it ideal for applications where components are subjected to pulling or stretching forces, such as cables, structural elements, or automotive parts. When subjected to compressive loading, special steel showcases its exceptional compressive strength, allowing it to withstand forces that tend to squeeze or press it together. This makes it suitable for applications like hydraulic cylinders, crankshafts, or flanges, where resistance to compression is crucial. In terms of bending or flexural loading, special steel exhibits remarkable flexibility without losing its strength, enabling it to withstand repeated bending without deformation or failure. This property is particularly useful in applications involving springs, suspension systems, or beams subjected to dynamic loads. Special steel also demonstrates excellent fatigue resistance, which means it can withstand cyclic loading or repeated stress without failure. This property is crucial in applications subjected to continuous or repetitive loading, such as turbine blades, gears, or axles. Moreover, special steel can effectively handle impact loading, as it possesses high toughness and impact resistance. This makes it suitable for applications where sudden shocks or impacts are expected, such as hammer heads, drill bits, or armor plating. In terms of temperature loading, special steel retains its mechanical properties even at high temperatures due to its excellent heat resistance. This property makes it suitable for applications exposed to extreme heat or thermal cycling, such as turbine components, exhaust systems, or molds used in metal casting. In summary, special steel behaves differently under various loading conditions, adapting its mechanical properties to meet the specific requirements of each application. Its unique combination of strength, toughness, ductility, and resistance to wear or corrosion make it a versatile material capable of withstanding different types of loading conditions.
Q: What are the different methods of surface electropolishing for special steel?
There are several methods of surface electropolishing for special steel, including the use of acid-based or alkaline-based electrolytes, pulse current electropolishing, and reverse current electropolishing. The choice of method depends on factors such as the type of special steel being treated and the desired surface finish.
Q: Can special steel be used in the food packaging industry?
Yes, special steel can be used in the food packaging industry. Special steels, such as stainless steel, are often preferred due to their corrosion resistance, durability, and hygienic properties. They can be used to manufacture containers, equipment, and machinery for packaging, ensuring safe and efficient food handling and storage.
Q: How does special steel contribute to the manufacturing of gears?
Special steel plays a crucial role in the manufacturing of gears as it offers exceptional strength, durability, and wear resistance properties. The use of special steel allows gears to withstand heavy loads, high temperatures, and intense friction, ensuring their longevity and reliable performance. Moreover, the precise metallurgical properties of special steel enable gears to maintain their shape and dimensions accurately, resulting in smooth and efficient power transmission in various industries, including automotive, aerospace, and machinery.
Q: How is special steel used in the mining supply chain?
Special steel is used extensively in the mining supply chain due to its exceptional strength, durability, and resistance to corrosion. It is utilized in various equipment and machinery used for exploration, extraction, processing, and transportation of minerals. Special steel is commonly employed in mining tools, drill bits, conveyor systems, crushers, grinding mills, and pumps, ensuring efficient and reliable operations in challenging mining environments.
Q: Can special steel be used in the medical field?
Yes, special steel can be used in the medical field. Special steel alloys such as stainless steel are commonly used in medical devices and surgical instruments due to their excellent corrosion resistance, durability, and biocompatibility. These properties make special steel ideal for applications requiring cleanliness, strength, and resistance to body fluids.

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