Round Steel 5115 Steel Bars

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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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Material standardized according to	5115 round steel round bar
Unfinished products manufactured	Pipes - profiles - squares
Properties	Excellent mechanical features - good workability on high-speed automatic machines with easy fragmentation of the shavings made by the tool
Typical applications	used for making heavy loading and sectional gear shaft,gear,connecting rod,eccentric shaft,rear axle shaft of car,parts of steam turbine,etc

C	Cr	Si	p	Mn	Ni
0.37~0.45	0.90~1.20	0.17~0.37	≤0.035	0.90~1.20	≤0.030

Quenching Temp	860 ±15 °C
Cool Media	Oil
Tempering Temp	600 ±15 °C
Cooling Media	air

Tensile Strength (MPA)	Yield Strength(MPA)	Elongation(%)	Reduction In Area(%)	Impact Energy(J)	Hardness(HB)
≥1080	≥ 930	≥ 12	≥ 45	≥ 63	≥217

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:What is the maximum titanium content allowed for steel round bars?: The maximum titanium content allowed for steel round bars typically depends on the specific steel grade and composition. However, as a general guideline, the maximum titanium content in steel round bars is usually around 0.05-0.06%.

Q:Can steel round bars be used in the manufacturing of agricultural equipment?: Yes, steel round bars can be used in the manufacturing of agricultural equipment. Steel is a strong and durable material that provides the necessary strength and structural integrity required for agricultural machinery. It is commonly used in the production of components such as axles, shafts, and supports, making it suitable for various types of farming equipment.

Q:How do steel round bars perform under static or stationary loads?: Steel round bars are renowned for their exceptional performance when subjected to static or stationary loads. With their high level of strength and durability, steel round bars have the ability to endure heavy weights or forces without experiencing significant deformation or failure. When faced with static loads, these bars evenly distribute the applied force throughout their structure, guaranteeing stability and maintaining structural integrity. One of the primary benefits of steel round bars is their resistance to bending or sagging under static loads. Their inherent rigidity enables them to preserve their shape and prevent substantial deflection, rendering them ideal for applications that require significant load-bearing capacity. Additionally, steel round bars possess a high yield strength, granting them the capability to withstand substantial stress before permanent deformation takes place. Moreover, steel round bars exhibit minimal creep under static loads, signifying that they maintain their shape and dimensions over time, even when exposed to sustained pressure. This attribute proves particularly vital in structures or equipment that are expected to support constant loads for extended durations. Another element that contributes to the outstanding performance of steel round bars under static loads is their resistance to corrosion. Steel inherently resists rust and oxidation, rendering it suitable for use in various environments, including those with high levels of humidity or exposure to moisture. In conclusion, steel round bars are exceedingly dependable and efficient when it comes to managing static or stationary loads. They offer exceptional strength, resistance to deformation, and durability, making them the preferred choice across a wide array of industries, such as construction, manufacturing, and infrastructure development.

Q:Can steel round bars be used for making tools or machinery parts?: Yes, steel round bars can be used for making tools or machinery parts. Steel round bars are commonly used in the manufacturing industry due to their high strength, durability, and ability to withstand heavy loads. They can be machined, forged, or welded into various shapes and sizes to create different tools and machinery parts.

Q:How do you measure the diameter tolerance of a steel round bar?: The diameter tolerance of a steel round bar can be measured using a caliper or micrometer tool. The tool is used to measure the diameter of the bar at multiple points along its length. The measurements are then compared to the specified diameter tolerance range to determine if the bar falls within the acceptable limits.

Q:Can steel round bars be used for making marine equipment?: Certainly! Steel round bars are a viable option for the fabrication of marine equipment. Steel, being a versatile and resilient material, is extensively utilized in the maritime industry owing to its exceptional strength, resistance to corrosion, and capacity to endure harsh environmental conditions. By manipulating steel round bars, through machining, welding, and shaping, one can create a wide array of sizes and forms that precisely meet the unique specifications of marine equipment. Predominantly, these round bars are employed in the production of marine components such as propeller shafts, rudders, anchor chains, and structural supports. Moreover, to augment its resistance to corrosion, steel can be coated or treated, ensuring its suitability for prolonged exposure to saltwater and other corrosive elements prevalent in marine settings.

Q:Can steel round bars be used for making renewable energy systems?: Yes, steel round bars can be used for making renewable energy systems. Steel is a versatile and durable material that can be used in various components of renewable energy systems such as wind turbines, solar panel frames, and hydroelectric power plants. Its strength and resistance to corrosion make it suitable for withstanding the harsh conditions often encountered in renewable energy applications.

Q:What are the quality control measures for steel round bars?: Quality control measures for steel round bars typically involve a series of inspections and tests to ensure that the bars meet the required specifications and standards. These measures are crucial to ensure the structural integrity and reliability of the steel bars. Some common quality control measures for steel round bars include: 1. Visual Inspection: This involves a visual examination of the bars to detect any surface defects such as cracks, pits, or rust. It ensures that the bars have a smooth surface finish and are free from any visible imperfections. 2. Dimensional Inspection: This involves measuring the diameter, length, and straightness of the steel bars to ensure they meet the required tolerances. Any deviations from the specified dimensions can affect the performance and fit of the bars in various applications. 3. Chemical Composition Analysis: Steel round bars undergo chemical composition analysis to verify the percentage of various elements present in the steel. This analysis helps ensure that the bars have the correct alloying elements in the right proportions, which directly impacts their mechanical properties and performance. 4. Mechanical Testing: Various mechanical tests are performed on steel round bars to assess their strength, hardness, and other mechanical properties. These tests can include tensile testing, impact testing, and hardness testing. These tests help determine if the bars meet the required strength and durability standards. 5. Ultrasonic Testing: Ultrasonic testing is often used to detect internal defects such as voids, inclusions, or cracks in steel round bars. This non-destructive testing technique uses high-frequency sound waves to identify any flaws that may compromise the structural integrity of the bars. 6. Surface Treatment Inspection: If the steel round bars undergo any surface treatments such as heat treatment or coating, an inspection is conducted to ensure that the treatments are properly applied and meet the required specifications. 7. Certification and Documentation: Quality control measures also include proper documentation and certification of the steel round bars. This ensures traceability and provides evidence that the bars have undergone the required inspections and tests, giving customers confidence in the product's quality. Overall, these quality control measures for steel round bars help ensure that the bars are of high quality, meet the required specifications, and are suitable for their intended applications.

Q:Can steel round bars be used in manufacturing equipment?: Yes, steel round bars can be used in manufacturing equipment. Steel round bars are commonly used in the manufacturing industry due to their various advantageous properties. They are known for their high strength, durability, and resistance to wear and tear. These properties make steel round bars ideal for use in heavy-duty machinery and equipment. They can be used to manufacture components such as shafts, axles, pins, and gears, which are crucial for the proper functioning of machinery. Additionally, steel round bars can be easily machined, welded, and formed into various shapes, making them versatile for use in different manufacturing applications. Overall, steel round bars are a reliable and widely used material in the manufacturing industry for the construction of equipment.

Q:How do steel round bars compare to wood round bars?: Steel round bars and wood round bars have several distinct differences that set them apart. Firstly, steel round bars are significantly stronger and more durable than their wooden counterparts. Steel has a much higher tensile strength, making it capable of withstanding heavy loads and resisting bending or breaking. This makes steel round bars ideal for applications where strength and durability are paramount, such as in construction, engineering, or manufacturing. On the other hand, wood round bars have their own advantages. Wood is a natural material that is lightweight and easy to work with. It can be easily cut, shaped, and crafted to fit specific requirements. Additionally, wood has a warm and aesthetic appeal that steel lacks, making it a popular choice in furniture, interior design, and other decorative applications. Another significant difference lies in their resistance to environmental factors. Steel is highly resistant to moisture, pests, and rot, making it suitable for outdoor or high-moisture environments. Wood, however, is susceptible to these elements and requires regular treatment and maintenance to prevent damage. Cost is another factor to consider. Steel round bars are generally more expensive than wood round bars due to the higher cost of materials and production processes involved. Wood, being a natural resource, is often more cost-effective. Ultimately, the choice between steel and wood round bars depends on the specific requirements of the project. If strength, durability, and resistance to environmental factors are crucial, steel round bars are the preferable choice. However, if a lightweight, aesthetic, and cost-effective option is required, wood round bars may be more suitable.

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