20MnCr5 Alloy Steel Round Bars SAE 5152 System 1

20MnCr5 Alloy Steel Round Bars SAE 5152 System 2

20MnCr5 Alloy Steel Round Bars SAE 5152 System 3

20MnCr5 Alloy Steel Round Bars SAE 5152 System 4

20MnCr5 Alloy Steel Round Bars SAE 5152

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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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Chemical Composition	Mechanical Properties (In Quenched & Tempered State)
C	0.17-0.22 %	Tensile strength(MPA)	≥1482
Si	≤0.25 %	Yield strength (MPA)	≥1232
Mn	1.10-1.50 %	Elongation (δ5/%)	≥13
Cr	1.00-1.30 %	Reduction in Area (ψ/%)	≥57
Ni	≤0.30 %	Impact toughness value αkv (J/cm2)	≥73
P	≤0.035 %	Hardness	≤357HB
S	≤0.035 %

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:Are steel round bars used in the aerospace industry?: Yes, steel round bars are commonly used in the aerospace industry. Steel round bars are known for their high strength, durability, and resistance to corrosion, making them ideal for use in aircraft components and structures. These round bars are often used in the manufacturing of landing gears, engine mounts, structural frames, and other critical parts of an aircraft. Additionally, steel round bars are also used in the production of aerospace fasteners, such as bolts and screws, due to their ability to withstand high stress and provide a secure connection. Overall, steel round bars play a crucial role in ensuring the safety and reliability of aerospace systems.

Q:What is the maximum length of a steel round bar that can be produced?: The maximum length of a steel round bar that can be produced depends on various factors such as the manufacturing process, the size and capacity of the equipment, and the logistical constraints involved. In general, steel round bars can be produced in lengths ranging from a few feet to several hundred feet. However, it is important to note that longer lengths may come with certain limitations or considerations. For instance, in hot rolling mills, the maximum length of a steel round bar is often determined by the size and capacity of the rolling mill itself. The length of the bar should be within the range that can be effectively rolled and processed by the machinery. Additionally, transportation and handling logistics can also impose constraints on the maximum length of a steel bar. Longer bars may require specialized equipment or careful planning to ensure safe and efficient movement. Therefore, it is crucial to consider the specific production capabilities and constraints of the steel manufacturer or supplier when determining the maximum length of a steel round bar that can be produced.

Q:How are steel round bars used in the manufacturing of material handling equipment?: Material handling equipment commonly incorporates steel round bars due to their strength and durability. These bars are integral components in the construction of equipment such as cranes, forklifts, conveyors, and hoists. A primary application of steel round bars in material handling equipment is their use in load-bearing structures. They are specifically utilized in the construction of masts, booms, and jibs of cranes and hoists, as these components must endure heavy loads and provide stability. Steel's high tensile strength and resistance to bending make it an optimal choice for these critical parts. In addition, steel round bars are employed for shafts and axles in material handling equipment. These components play a vital role in transmitting power and torque, facilitating efficient equipment operation. Steel's ability to withstand substantial stress and torsional forces makes it an ideal material for these purposes. Steel round bars are also commonly utilized in the fabrication of lifting attachments and hooks for material handling equipment. These bars are skillfully shaped and welded to create the necessary lifting mechanisms, ensuring safe and secure transportation of heavy loads. Steel's strength and rigidity enable it to withstand the forces exerted during lifting operations. Furthermore, steel round bars find application in the manufacturing of conveyor systems. These bars function as rollers or shafts, supporting and guiding the movement of materials along conveyor belts. The smooth surface of steel bars minimizes friction, enabling efficient material handling. In conclusion, steel round bars are indispensable in the manufacturing of material handling equipment. Their strength, durability, and versatility render them suitable for a wide range of applications, including load-bearing structures, shafts, lifting attachments, and conveyor systems.

Q:Can steel round bars be used in the manufacturing of cylinders?: Yes, steel round bars can be used in the manufacturing of cylinders. Steel round bars are commonly used in various industries, including automotive, aerospace, and manufacturing, due to their high strength and durability. In the case of manufacturing cylinders, steel round bars can be a suitable material choice for constructing the cylindrical body of the cylinder. The steel round bars can be machined, forged, or rolled into the desired shape and then welded or fastened together to form the cylindrical structure. The use of steel round bars ensures a strong and sturdy construction, which is essential for the safe and efficient functioning of cylinders in various applications.

Q:What are the advantages of using aluminum-alloy steel round bars?: Aluminum-alloy steel round bars offer numerous benefits. Firstly, they have an outstanding strength-to-weight ratio, combining the lightweight properties of aluminum with the strength of steel. This makes them ideal for industries like aerospace and automotive, where reducing weight is crucial for enhancing fuel efficiency and performance. Secondly, these bars exhibit exceptional corrosion resistance. When exposed to air, aluminum forms a protective oxide layer that prevents further corrosion. This makes them suitable for outdoor applications or environments with high moisture or chemical exposure. Additionally, aluminum-alloy steel round bars are highly malleable and can be easily machined or formed into various shapes. This versatility enables the production of complex parts and components, making them invaluable in industries such as construction and manufacturing. Furthermore, these bars possess excellent thermal and electrical conductivity, making them preferred choices for applications requiring heat dissipation or electrical conduction, such as heat sinks or electrical connectors. Lastly, aluminum-alloy steel round bars are highly recyclable, with a recycling rate of over 90%. This not only reduces the environmental impact but also offers cost savings in material sourcing. In conclusion, the advantages of aluminum-alloy steel round bars encompass their exceptional strength-to-weight ratio, high corrosion resistance, malleability, thermal and electrical conductivity, and recyclability. These qualities make them invaluable for a wide range of applications across various industries.

Q:Can steel round bars be used for making exercise equipment?: Yes, steel round bars can be used for making exercise equipment. Steel round bars are known for their durability and strength, making them suitable for constructing various types of exercise equipment. They can be used to create weightlifting bars, dumbbells, barbells, and other fitness equipment that require sturdy and reliable materials. Additionally, steel round bars can be easily machined, welded, and shaped into different forms, allowing for customization and versatility in exercise equipment design. The use of steel round bars ensures that the exercise equipment can withstand heavy loads and provide stability during workouts, making them a popular choice among gym equipment manufacturers and fitness enthusiasts.

Q:Are steel round bars available in different surface finishes?: Different surface finishes are available for steel round bars. The surface finish of a steel round bar pertains to the surface treatment or coating that is applied to it. This treatment serves to enhance its appearance, protect it from corrosion, or improve its performance for specific uses. Steel round bars can be found with various surface finishes such as polished, brushed, mill finish, galvanized, or coated with materials like chrome, nickel, or zinc. These diverse surface finishes cater to different needs and preferences in terms of aesthetics, corrosion resistance, and functionality across various industries and applications.

Q:Are steel round bars resistant to fire?: With their high resistance to fire, steel round bars exhibit exceptional fire-resistant properties owing to their high melting point and low thermal conductivity. In the occurrence of a fire, steel round bars do not readily ignite or combust. Moreover, steel maintains its structural integrity even under extreme temperatures, rendering it a favored selection for construction materials in areas susceptible to fires. As a result, steel round bars prove to be a dependable and secure choice for a range of applications, encompassing building structures, industrial equipment, and fire-resistant barriers.

Q:Are steel round bars suitable for use in the mining industry?: The mining industry finds steel round bars to be suitable for use. These bars are renowned for their strength and durability, making them an ideal choice for heavy-duty equipment and machinery in mining. They can be utilized in various ways, such as shafts, support beams, and structural components in underground mines, open-pit mines, and processing plants. The steel round bars have the capability to withstand high loads and pressures, enabling them to thrive in harsh mining environments. They possess excellent tensile strength and can endure extreme temperatures, resulting in resistance to wear, abrasion, and impact. This is especially valuable in mining operations where equipment is subjected to heavy loads, vibrations, and constant movement. Furthermore, the steel round bars are easily weldable, fabricated, and machined to meet specific requirements, making them versatile and adaptable for a wide range of mining applications. They can be customized in terms of size, length, and shape, ensuring a perfect fit for various mining equipment and structures. Beyond their strength and versatility, steel round bars also offer cost-effectiveness and long-term value. They have a long lifespan, require minimal maintenance, and can withstand the harsh conditions typically encountered in mining operations, reducing the need for frequent replacements or repairs. Overall, steel round bars are a reliable and suitable choice for the mining industry due to their strength, durability, versatility, and cost-effectiveness. They provide the necessary support and structural integrity required for mining operations, ensuring the safety and efficiency of the industry.

Q:How are steel round bars used in the manufacturing of agricultural machinery?: Steel round bars are commonly used in the manufacturing of agricultural machinery as they provide strength, durability, and flexibility. These bars are often used to construct various components such as axles, shafts, and pins, which play a crucial role in supporting and transmitting power within the machinery. The high tensile strength of steel round bars allows them to handle heavy loads and withstand harsh operating conditions, ensuring the reliability and longevity of the agricultural equipment.

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