SAE 52100 Bearing Steel Round Bars SUJ2 System 1

SAE 52100 Bearing Steel Round Bars SUJ2 System 2

SAE 52100 Bearing Steel Round Bars SUJ2 System 3

SAE 52100 Bearing Steel Round Bars SUJ2 System 4

SAE 52100 Bearing Steel Round Bars SUJ2

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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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DIN	AISI	JIS
1.2067	L1/L3	SUJ2

C	Si	Mn	Cr	P	S	Mo	Ni
0.95-1.10	0.15-0.35	0.25-0.40	1.40-1.70	≤0.03	≤0.03	---	---

Round steel bar 60-800mm
Flat steel bar 25-400mm*200-800mm

Black surface/ Grinded/ Machined

HB225MAX

Flat Steel GCr15 Flats are of Good hardening ability. Good wear resistance. Shadow depth of hardness

Flat Steel GCr15 Flats are for making gauges and measuring tools, mandrels, cold rolls and flanging rolls, wood and paper processing tools, slitting blades, ball bearings and shear knives

Hardening Harden from a temperature of 790-820oC, 820-860oC followed by water or oil quenching. Hardness after quenching is 63-67, 63-66 HRC. Tempering Tempering temperature: 150-300oC. Hardness after tempering is 56-65 HRC.

Product Name	Typical Grades	Diameter(mm)	Standard adopted
Carbon Steel	20 (1020/S20C/C22)	Ø16-Ø300	GB/SAE/JIS/DIN
40 (1040/S40C/C40)
45 (1045/S45C/C45)
Bearing Steel	GCr9 (51100/SUJ1)	Ø12-Ø250
GCr15 (52100/SUJ2/100Gr6)
GCr9SiMn (A485-Gr.1/SUJ3)
Cr-Mo Steel	20Cr (5120/SCr420H/20Cr4)	Ø12-Ø250
40Cr (5140/SCr440/41Cr4)
42CrMo(4140/SCM440/42CrMo4)
Gear Steel	20CrNiMo	Ø16-Ø600
20CrMn(5115/SMnC420/20MnCr5)
20CrNiMo(8620/SNCM220/20CrMiMo2)

Carbon Steel	Mold bottom, Plastic mold, Construction machinery parts Automobile parts, Security grills, Screens, Construction
Bearing Steel	Aerospace, Navigation, Nuclear energy, Chemical industry Electronic information, Petrochemical, Instrument and meter Transportation
Cr-Mo Steel	Mechanism & Fasteners gear, Stressed components for vehicles Engines and machines, Parts of larger cross-section
Gear Steel	All kinds of gears, Statically and dynamically stressed component for vehicles Engines and machine, Larger cross-section parts, Crankshafts

Company Information

CNBM International Corporation is the most important trading platform of CNBM group.

Whith its advantages, CNBM International are mainly concentrate on Cement, Glass, Iron and Steel, Ceramics industries and devotes herself for supplying high qulity series of refractories as well as technical consultancies and logistics solutions.

FAQ

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, Factory or Trading Company?

CNBM is a trading company but we have so many protocol factories and CNBM works as a trading department of these factories. Also CNBM is the holding company of many factories.

4, Payment Terms?

30% TT as deposit and 70% before delivery.

Irrevocable L/C at sight.

5, Trading Terms?

EXW, FOB, CIF, FFR, CNF

6, After-sale Service?

CNBM 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.

Packaging & Delivery

1, Packaging: seaworthy package or as required

2, Delivery: 35-45 days or based on quantity

Q:Can steel round bars be used for making camshafts?: Yes, steel round bars can be used for making camshafts. Steel is a commonly used material due to its strength, durability, and heat resistance properties, which are essential for camshaft applications. Additionally, steel round bars can be easily machined and shaped into the desired camshaft design.

Q:What are the advantages of using nickel-chromium-silicon alloy steel round bars?: There are several advantages of using nickel-chromium-silicon alloy steel round bars. Firstly, this type of alloy steel offers excellent corrosion resistance, making it suitable for various applications in corrosive environments. Secondly, its high strength and toughness properties make it ideal for applications requiring heavy-duty and high-stress resistance. Additionally, nickel-chromium-silicon alloy steel round bars possess good high-temperature stability, allowing them to withstand elevated temperatures without significant deformation or loss of mechanical properties. Lastly, this alloy steel is known for its excellent weldability and machinability, enabling easy fabrication and customization according to specific requirements.

Q:Are steel round bars suitable for the manufacturing of shafts?: Indeed, steel round bars prove to be fitting for the production of shafts. Renowned for their robustness, longevity, and capacity to endure immense loads and rapid rotations, steel round bars excel in applications involving shafts. The circular form of the bar fosters even distribution of stress, thereby diminishing the likelihood of failure or distortion. Moreover, steel round bars can be easily manipulated and subjected to heat treatment in order to attain desired mechanical properties, such as hardness and toughness, thereby reinforcing their aptness for shaft production. All in all, steel round bars encompass the essential attributes demanded by shafts, thereby rendering them a trustworthy and widely employed material in diverse industries.

Q:What are the advantages of using rust-resistant steel round bars?: Using rust-resistant steel round bars offers several benefits: 1. Improved Durability: Rust-resistant steel round bars are specifically designed to withstand harsh environmental conditions, including moisture and humidity. This durability ensures that the bars maintain their structural integrity for a longer period, reducing the need for frequent replacements. 2. Protection Against Corrosion: Rust-resistant steel round bars are treated with anti-corrosive coatings or alloys that prevent rust or corrosion. This makes them suitable for industries such as construction, marine, and automotive, where exposure to moisture or corrosive elements is common. 3. Increased Lifespan: Due to their resistance to rust and corrosion, these steel round bars have a longer lifespan compared to regular steel bars. This leads to cost savings in terms of maintenance and replacement expenses, making them a cost-effective choice in the long run. 4. Strength and Structural Integrity: Rust-resistant steel round bars maintain their strength and structural integrity even in corrosive environments. This makes them ideal for structural applications where high strength and reliability are required, such as the construction of bridges, buildings, or heavy machinery. 5. Versatility: Rust-resistant steel round bars can be used in a wide range of applications due to their versatility. They can be easily fabricated, welded, or machined into various shapes and sizes to meet specific project requirements. This flexibility makes them a popular choice across different industries. 6. Enhanced Aesthetics: Rust-resistant steel round bars can also enhance the visual appeal of a project. Their clean and shiny appearance adds a polished and professional look to structures or components, making them suitable for applications where aesthetics matter. In conclusion, the use of rust-resistant steel round bars offers benefits such as improved durability, corrosion resistance, increased lifespan, strength, versatility, and enhanced aesthetics. These factors make them a reliable and cost-effective choice for various applications in different industries.

Q:Can steel round bars be used for making interior components?: Indeed, the utilization of steel round bars in the creation of interior components is viable. Steel, being both sturdy and adaptable, can be molded and fashioned into a plethora of different designs and structures. Specifically, round bars are exceptionally well-suited for crafting interior components including handrails, staircases, furniture frames, and decorative elements. They offer not only robustness and stability, but also an appealing aesthetic to interior spaces. Moreover, steel round bars can be effortlessly welded, bent, or cut to fulfill particular design specifications, rendering them an optimal selection for bespoke interior components.

Q:How do steel round bars compare to other types of steel products?: Steel round bars are a versatile and widely used type of steel product that offer distinct advantages over other types of steel products. Firstly, steel round bars have a circular cross-section, which provides excellent strength and stability. This makes them ideal for applications that require load-bearing capacity, such as construction, automotive, and manufacturing industries. Compared to other types of steel products, such as steel plates or sheets, steel round bars are more easily customizable. They can be easily cut, drilled, and machined to meet specific requirements, making them highly adaptable to various applications. This flexibility allows for the creation of complex shapes and structures with precise dimensions, making steel round bars a preferred choice in engineering and fabrication projects. Furthermore, steel round bars have excellent tensile strength and durability, ensuring long-lasting performance even in demanding environments. They possess high resistance to corrosion, impact, and wear, making them suitable for outdoor or high-stress applications. This durability also contributes to the cost-effectiveness of steel round bars, as they require minimal maintenance and have a lengthy lifespan. Another advantage of steel round bars is their availability in a wide range of grades and alloys. This allows for the selection of steel round bars with specific properties, such as increased hardness, heat resistance, or enhanced machinability, depending on the intended application. The availability of various grades ensures that steel round bars can be tailored to meet specific performance requirements, making them a versatile choice for engineers and designers. In conclusion, steel round bars offer several advantages when compared to other types of steel products. Their circular cross-section provides excellent strength and stability, while their customizability allows for precise shaping and dimensioning. Steel round bars are highly durable, resistant to corrosion and wear, and available in a wide range of grades, making them suitable for a variety of applications across different industries.

Q:What are the advantages of using nickel-zinc alloy steel round bars?: There are several advantages of using nickel-zinc alloy steel round bars. Firstly, nickel-zinc alloy steel has a high strength-to-weight ratio, making it an excellent choice for applications where strength and durability are important. This allows for the construction of lighter structures without sacrificing strength or performance. Secondly, nickel-zinc alloy steel round bars have superior corrosion resistance compared to other types of steel. This makes them ideal for use in harsh environments where exposure to moisture, chemicals, or extreme temperatures may occur. The corrosion resistance properties of nickel-zinc alloy steel also contribute to its longevity and ability to withstand the test of time. Additionally, nickel-zinc alloy steel has excellent weldability and machinability, making it easy to work with and manipulate into various shapes and forms. This versatility allows for the creation of complex designs and structures, making it a popular choice in the construction and manufacturing industries. Furthermore, nickel-zinc alloy steel round bars have good thermal and electrical conductivity properties. This makes them suitable for applications that require the efficient transfer of heat or electricity, such as in the production of electrical components or heat exchangers. Lastly, nickel-zinc alloy steel is known for its high resistance to fatigue and wear, making it suitable for applications that involve repetitive or high-stress operations. This ensures that structures or components made from nickel-zinc alloy steel will maintain their performance and integrity over an extended period of time. In summary, the advantages of using nickel-zinc alloy steel round bars include high strength-to-weight ratio, superior corrosion resistance, excellent weldability and machinability, good thermal and electrical conductivity, and high resistance to fatigue and wear. These properties make nickel-zinc alloy steel a reliable and versatile material for a wide range of applications.

Q:What are the different types of steel round bar coatings used in the marine industry?: In the marine industry, various coatings are commonly used to protect steel round bars from corrosion and other environmental factors. These coatings have been specifically designed to withstand the harsh conditions found in marine environments. The most frequently utilized types of coatings in this industry include the following: 1. Galvanized Coating: A layer of zinc is applied to galvanized steel round bars, offering excellent corrosion protection and durability. This coating is ideal for marine applications where the steel is exposed to corrosive elements such as saltwater. 2. Epoxy Coating: Due to their exceptional resistance to corrosion and strong adhesion properties, epoxy coatings are widely employed in the marine industry. Multiple layers of epoxy are typically applied to ensure optimal protection against saltwater, chemicals, and abrasion. 3. Polyurethane Coating: Polyurethane coatings are highly regarded for their exceptional resistance to UV rays, chemicals, and abrasion. These coatings provide a high level of corrosion protection in marine environments, making them ideal for offshore structures and marine equipment that require long-term durability. 4. Organic Coatings: Acrylics and vinyls are commonly used in the marine industry as organic coatings, offering a protective barrier against corrosion and environmental factors. These coatings are known for their flexibility, ease of application, and resistance to UV radiation. They are often utilized in marine applications where aesthetics and color retention are important. 5. Ceramic Coating: Ceramic coatings are particularly resistant to high temperatures, chemicals, and abrasion. They form a hard, protective layer on steel round bars, making them suitable for marine applications that involve extreme heat and harsh environments. When selecting the appropriate steel round bar coating for a marine project, it is essential to consider the specific requirements of the application. Factors such as the type of exposure, expected service life, and budget should be taken into account to determine the most suitable coating.

Q:How are steel round bars inspected for quality?: To ensure that steel round bars meet the necessary standards, various methods are utilized to inspect their quality. Typically, the inspection process encompasses both visual examination and testing procedures. The initial step in evaluating the quality of steel round bars involves visual inspection. Qualified inspectors visually examine the bars for any surface defects, including cracks, scratches, dents, or other irregularities that could potentially impact the structural integrity or performance of the bars. Moreover, dimensional inspection is carried out to verify the diameter, length, straightness, and overall shape of the round bars. Precision measuring instruments are employed to ensure that the bars adhere to the specified tolerances and requirements. In addition to visual inspection, diverse testing methods are employed to assess the mechanical properties and chemical composition of the steel round bars. The most common testing procedures encompass: 1. Tensile Testing: This test measures the strength and ductility of the steel bars by subjecting them to tension until they fracture. It aids in determining the ultimate tensile strength, yield strength, and elongation of the material. 2. Hardness Testing: It is performed to determine the hardness of the steel round bars, which serves as an indicator of its resistance to deformation or wear. The Rockwell, Brinell, and Vickers hardness tests are commonly utilized for this purpose. 3. Ultrasonic Testing: This non-destructive testing method utilizes high-frequency sound waves to detect any internal defects or discontinuities in the steel bars. It facilitates the identification of flaws such as cracks, inclusions, or voids that may negatively impact the material's quality. 4. Chemical Analysis: Steel round bars undergo chemical analysis to determine their chemical composition and ensure they meet the required specifications. This analysis helps verify the percentages of different alloying elements present in the steel, thereby ensuring it possesses the desired properties. All these inspection methods are carried out by well-trained professionals or certified third-party inspectors who possess extensive knowledge of the specific industry standards and guidelines. Through the combination of visual examination and precise testing techniques, the quality of steel round bars can be comprehensively assessed, guaranteeing their suitability for their intended applications.

Q:Can steel round bars be used for making mining equipment?: Certainly! Mining equipment can indeed be made using steel round bars. These bars, owing to their exceptional strength, durability, and resistance to wear and tear, are widely utilized in the manufacturing process of various mining equipment. They are particularly suitable for applications that demand robust and heavy-duty machinery, such as drilling rigs, excavators, crushers, and conveyor systems employed in the mining industry. The adaptability of steel round bars enables them to be machined, welded, and shaped into diverse forms and sizes, thus facilitating the customization of mining equipment to cater to specific requirements. Moreover, steel round bars exhibit remarkable resilience in mining environments, enduring exposure to abrasive substances, extreme temperatures, and substantial loads.

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