Alloy Steel SCM435 Round Bars

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 30 m.t.

Supply Capability:: 120000 m.t./month

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GB	DIN	AISI	JIS
35CrMo	1.7220	4135	SCM345

C	Si	Mn	Cr	Mo	Ni	Cu	P	S
0.32-0.40	0.17-0.37	0.40-0.70	0.80-1.00	0.15-0.25	≤0.030	≤0.030	≤0.035	≤0.035

Description	Carbon Steel Rod/Carbon Steel Bar,carbon steel rod,carbon steel shaft,mild steel bar, Mild steel shaft,ms bar
Material	ASTM	1005, 1006, 1008, 1010, 1015, 1020, 1025, 1030, 1035, 1040, 1045, 1050, 1055, 1060, 1065, 1070, 1080, 1084, 1016, 1022
DIN	Ck10, Ck15, Ck22, Ck25, Ck30, Ck35, Ck40,Ck45, Ck50, 30Mn4, 40Mn4
BS	040A04, 095M15, 045M10, 080A40, 045M10, 080M50
JIS	S09CK, S9CK, S10C, S15C, S20C, S25C, S30C, S35C, S40C, S45C, S50C, S55C, S58C, SB45, S30C, S40C, S45C, S53C
Standard	GB/T799, ASTM A29, A108, A321, A575, BS970, DIN1652, JIS G4051
Section shape	Round, square, hexagonal, flat, angle
Surface	Black painted, galvanized
Specifications	Round bar	Diameter: 4mm~1200mm
Angle bar	Size: 3mm20mm20mm~12mm800mm800mm
Square bar	Size: 4mm4mm~100mm100mm
Flat bar	Thickness: 2mm~100mm
Width: 10mm~500mm
Hexagonal	Size: 4mm~800mm
Length	2m, 4m, 5.8m, 6m, 11.8m, 12m or as required.

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 suitable for plumbing applications?: Yes, steel round bars can be suitable for plumbing applications. Steel is a durable and strong material, making it ideal for plumbing systems that require high pressure and load-bearing capabilities. Steel round bars can be used for various plumbing components such as pipes, fittings, valves, and supports. They are commonly used in applications where corrosion resistance and longevity are important, such as in water supply systems, underground piping, and industrial plumbing. However, it is important to consider the specific requirements of the plumbing application, including factors like water quality, temperature, and compatibility with other materials. Additionally, proper installation and maintenance are crucial to ensure the effectiveness and longevity of steel round bars in plumbing systems.

Q:What are the different types of tests performed on steel round bars for quality control?: Steel round bars undergo various tests for quality control purposes to ensure they meet the necessary standards and specifications. These tests include: 1. Tensile Test: This test assesses the tensile strength, yield strength, and elongation properties of the steel bars. It involves applying a pulling force until the bar breaks, measuring the maximum force it can endure, and determining its ability to stretch without fracturing. 2. Hardness Test: The hardness test determines the steel bar's resistance to indentation or scratching, providing insight into its strength and durability. Common hardness tests include Rockwell, Brinell, and Vickers tests. 3. Chemical Composition Analysis: This analysis identifies the steel round bars' chemical composition, including the percentage of elements like carbon, manganese, sulfur, phosphorus, and others. It ensures compliance with specified composition requirements. 4. Ultrasonic Testing: Ultrasonic testing utilizes high-frequency sound waves to detect internal defects or discontinuities within the steel bars. This non-destructive test identifies cracks, voids, or other flaws that may compromise their structural integrity. 5. Dimensional Inspection: This inspection verifies whether the steel round bars meet the required dimensional tolerances, including diameter, length, and straightness. Precision measuring instruments such as calipers, micrometers, and gauges are used to ensure accurate dimensions. 6. Surface Quality Examination: This examination checks the surface condition of the steel bars for defects like cracks, pits, scratches, or irregularities. A smooth and defect-free surface is crucial for proper functionality and safety. 7. Microstructure Analysis: This analysis involves examining the internal structure of the steel bars under a microscope to determine grain size, inclusion content, and overall microstructural integrity. It provides insights into their mechanical properties and ability to withstand various loads and stresses. By conducting these tests, manufacturers guarantee that the steel round bars meet the required quality standards and are suitable for their intended applications.

Q:How is the weight of a steel round bar calculated?: The weight of a steel round bar is calculated using the formula: weight = volume × density. The volume of a round bar is determined by multiplying the cross-sectional area (πr^2) with the length of the bar. The density of steel is usually known, so by plugging in these values, we can calculate the weight of the steel round bar.

Q:How do steel round bars compare to ceramic round bars?: The properties and applications of steel round bars and ceramic round bars differ significantly. Steel round bars exhibit exceptional strength and durability due to their composition of iron and carbon alloys, along with additional elements like manganese, chromium, and nickel. They possess high resistance to deformation, can withstand high temperatures, and have impressive tensile strength. As a result, steel round bars find common use in construction, manufacturing, and engineering industries where strength and reliability are vital. Their versatility allows for easy machining and shaping into various forms. On the contrary, ceramic round bars consist of non-metallic materials such as clay, porcelain, or glass. Ceramics offer distinct properties, including heat resistance, corrosion resistance, and wear resistance. Additionally, they are chemically inert and exhibit excellent electrical insulation capabilities. Ceramic round bars are frequently employed in industries that demand high-temperature resistance, chemical resistance, or electrical insulation, such as aerospace or electronic component manufacturing. When comparing steel round bars to ceramic round bars, it is crucial to consider the specific requirements of the application at hand. Steel round bars are preferred for heavy-duty uses where mechanical stress and load-bearing capabilities are essential, owing to their exceptional strength and toughness. Conversely, ceramic round bars are often chosen for their resistance to heat, chemicals, and electrical insulation properties, which play a crucial role in specialized industries. In conclusion, steel round bars and ceramic round bars possess distinct properties and are suitable for diverse applications. Steel round bars excel in heavy-duty uses, owing to their strength and durability, while ceramic round bars are particularly valuable in applications requiring high-temperature resistance, chemical resistance, and electrical insulation.

Q:What are the limitations of using steel round bars?: Using steel round bars in various applications has several limitations. One such limitation is their vulnerability to corrosion. Steel round bars, particularly those made of carbon steel, are prone to rusting when exposed to moisture or harsh environments. This can have a significant impact on their structural integrity and lifespan. Another limitation is their weight. Steel is a heavy material, and round bars can be especially cumbersome to handle and transport, especially in large quantities. This can make the installation process more difficult and increase the overall project cost. In addition, steel round bars may not be suitable for applications that require high levels of flexibility or bending. Their rigid nature makes it challenging to shape or mold them into intricate designs. This limitation can restrict their use in certain industries or architectural designs that demand more versatile materials. Another factor to consider is the cost of steel round bars. Depending on the grade, quality, and market conditions, the price of steel round bars can fluctuate significantly. This can be a financial limitation for projects with tight budgets or when the cost of raw materials is a crucial factor. Lastly, steel round bars may not be suitable for applications that require high resistance to extreme temperatures. While steel has good thermal conductivity, certain temperature ranges can affect its structural properties, potentially causing weaknesses or deformations. Overall, steel round bars have widespread use and offer many advantages. However, it is essential to consider their limitations such as susceptibility to corrosion, weight, limited flexibility, cost, and temperature sensitivity when selecting materials for specific applications.

Q:How are steel round bars used in the construction of airports and runways?: Steel round bars are commonly used in the construction of airports and runways due to their strength, durability, and versatility. These bars are primarily used in the reinforcement of concrete structures, ensuring that the airport infrastructure can withstand heavy loads and extreme weather conditions. In the construction of airport runways, steel round bars are commonly used to reinforce the concrete pavement. The bars are placed within the concrete during construction, providing additional tensile strength to the runway. This reinforcement helps to prevent cracking and crumbling under the weight of aircraft, ensuring a safe and reliable surface for landing and takeoff. Additionally, steel round bars are used in the construction of airport terminals and other buildings within the airport complex. They are often utilized in the framework of the structures, providing support and stability. The bars are commonly used in the construction of columns, beams, and foundations, ensuring the overall structural integrity of the buildings. Furthermore, steel round bars are employed in the construction of ancillary facilities such as hangars, control towers, and fuel storage facilities. These bars are used to reinforce the concrete foundations and walls, providing additional strength and stability to these critical structures. In summary, steel round bars are essential components in the construction of airports and runways. Their use reinforces concrete structures, providing the necessary strength and durability to withstand heavy loads and harsh environmental conditions. From runways to terminals and ancillary facilities, steel round bars play a crucial role in ensuring the safety and reliability of airport infrastructure.

Q:How do you determine the appropriate steel grade for a specific application?: To determine the appropriate steel grade for a specific application, several factors need to be considered. These include the intended use of the steel, the required mechanical properties such as strength, hardness, and toughness, the desired corrosion resistance, and any specific industry standards or regulations that need to be met. Additionally, factors like cost, availability, and processability of the steel should also be taken into account. By evaluating these factors and consulting with experts, engineers can determine the most suitable steel grade for the specific application.

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:Round bars and ribbed stirrups are much better: Hot rolled ribbed steel bar with high strength, suitable for large component high-rise buildings under gravity loads, but also because of its surface shape can provide grip and end without hook, the corresponding anchorage length is short, the material.

Q:How do you calculate the strength of a steel round bar?: When calculating the strength of a steel round bar, several factors come into play. The primary consideration is the yield strength of the material, which signifies the stress level at which the steel permanently deforms. This value is typically provided by the manufacturer or can be found in engineering handbooks. The next step involves determining the cross-sectional area of the round bar. This can be achieved by measuring the bar's diameter and utilizing it to calculate the area using the formula A = πr^2, where A represents the cross-sectional area and r denotes the radius. Once the cross-sectional area is established, it becomes possible to calculate the ultimate tensile strength (UTS) using the formula UTS = Yield Strength / Safety Factor. The safety factor is a numerical value that takes into account uncertainties and potential variations in the material's strength. It is usually specified by design requirements or industry standards. Lastly, the maximum load that the steel round bar can endure before failing can be determined by multiplying the ultimate tensile strength by the cross-sectional area. This value represents the bar's strength and can be utilized to evaluate its suitability for a specific application. It is worth noting that other factors, such as the bar's length, shape, and any additional treatments or modifications, can also impact its strength. Therefore, it is recommended to consult with a structural engineer or refer to relevant design codes and standards to ensure accurate calculations and safe application of steel round bars.

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