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: Could you tell me what is the difference between steel pipe and round steel?: Widely used in the manufacture of structural and mechanical parts, such as oil drilling pipe, automobile transmission shaft, bicycle frame and steel scaffolding used in construction. Making ring parts with steel tubes can improve data application rate, simplify manufacturing process, save data and work hours, such as rolling bearings, rings, Jack sleeves, etc., and have been widely used in steel pipe manufacture.

Q: Is there any technique for welding round steel?: The welding position is horizontal fillet welding, to control the size of the weld pool of available elliptic transport method the molten iron is brought up, and then try to consider the position of welding welding (a little more than half of small to)

Q: Can steel round bars be galvanized?: Yes, steel round bars can be galvanized. Galvanizing is a process in which a protective zinc coating is applied to the surface of steel to prevent corrosion. This process can be applied to various steel products, including round bars. Galvanizing steel round bars not only enhances their resistance to corrosion but also improves their durability and longevity. The galvanizing process involves immersing the round bars in a bath of molten zinc, which adheres to the steel and forms a protective layer. This layer acts as a barrier, shielding the steel from moisture, chemicals, and other corrosive elements. As a result, galvanized steel round bars are commonly used in outdoor applications, such as construction, fencing, and marine environments, where they are exposed to harsh conditions.

Q: How do you straighten a bent steel round bar?: To straighten a bent steel round bar, you can use either a hydraulic press or a mechanical straightening machine. The process involves applying gradual pressure to the bent area until it becomes straight again. It is important to ensure even pressure distribution to avoid further damage to the bar.

Q: What is the maximum carbon content allowed for steel round bars?: The maximum carbon content allowed for steel round bars can vary depending on the specific grade or specification of steel being used. However, in general, most standard steel round bars have a maximum carbon content of around 0.25% to 0.30%. This level of carbon content helps to maintain a balance between strength and ductility, ensuring that the steel is both strong enough to withstand load-bearing applications and flexible enough to be easily formed or machined. It is important to note that some specialized steels or specific applications may have different maximum carbon content requirements, so it is always essential to refer to the relevant specifications or standards for accurate and specific information.

Q: What are the different safety considerations when working with steel round bars?: When working with steel round bars, there are several safety considerations to keep in mind. First and foremost, it is important to wear appropriate personal protective equipment (PPE) such as safety glasses, gloves, and steel-toed boots to protect against potential hazards. Additionally, one should always handle the steel bars with care to avoid injuries from sharp edges or heavy lifting. It is crucial to ensure a secure and stable work area to prevent slips, trips, and falls. Furthermore, when using tools or machinery to cut or shape the steel bars, proper training and caution should be exercised to prevent accidents and follow all recommended safety procedures.

Q: What are the advantages of using high-temperature steel round bars?: There are several advantages of using high-temperature steel round bars in various applications. Firstly, high-temperature steel round bars have excellent heat resistance properties, allowing them to withstand elevated temperatures without compromising their structural integrity. This makes them ideal for use in industries such as aerospace, automotive, and power generation, where components are exposed to extreme heat conditions. Another advantage of high-temperature steel round bars is their superior strength and durability. These bars are designed to withstand high mechanical stresses, making them ideal for applications that require heavy loads or intense pressure. Their high strength-to-weight ratio also allows for lighter and more efficient designs, reducing overall material and production costs. In addition, high-temperature steel round bars have excellent corrosion resistance properties. This means they can withstand exposure to harsh environments, including chemicals, moisture, and saltwater, without experiencing significant degradation. This makes them suitable for use in marine, chemical, and oil and gas industries where corrosion resistance is crucial. Furthermore, high-temperature steel round bars offer excellent dimensional stability, meaning they maintain their shape and size even under extreme temperature fluctuations. This property is highly beneficial in applications where precision and accuracy are essential, such as in machining and tooling. Lastly, high-temperature steel round bars are readily available in various sizes, grades, and finishes, allowing for flexibility and customization to meet specific project requirements. This versatility makes them suitable for a wide range of applications and ensures that there is a suitable option for every project, regardless of complexity or industry. Overall, the advantages of using high-temperature steel round bars include superior heat resistance, strength, durability, corrosion resistance, dimensional stability, and versatility. These properties make them an excellent choice for various industries and applications, ensuring reliable and long-lasting performance in demanding environments.

Q: Can steel round bars be used in the manufacturing of tools?: Yes, steel round bars can be used in the manufacturing of tools. Steel round bars are commonly used in tool manufacturing due to their high strength, durability, and versatility. They provide the necessary structural integrity and toughness required for various tools, such as wrenches, hammers, chisels, and screwdrivers. The round shape of the bar allows for easy machining and shaping into different tool components. Additionally, steel round bars can be heat treated to enhance their hardness and wear resistance, making them suitable for heavy-duty and high-performance tool applications.

Q: Can steel round bars be used for making gears or sprockets?: Yes, steel round bars can be used for making gears or sprockets. Steel is a commonly used material in gear and sprocket manufacturing due to its high strength, durability, and resistance to wear and tear. Steel round bars can be machined or forged into the desired shape and then cut, drilled, or milled to create the necessary teeth or grooves required for gear or sprocket functionality. The specific type of steel and its heat treatment can be chosen based on the application requirements, such as load capacity, speed, and environmental conditions. Overall, steel round bars are a versatile and reliable choice for manufacturing gears and sprockets.

Q: How are steel round bars used in the construction of pipelines?: Steel round bars are commonly used in the construction of pipelines as they provide strength and durability to withstand the high pressure and external forces exerted on the pipelines. These bars are often used as reinforcement within the pipeline structure, ensuring its stability and preventing deformation or collapse. Additionally, steel round bars are employed for welding purposes, connecting different sections of the pipeline together, further enhancing its structural integrity.

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