Carbon Steel Rod SAE 1045 Round Steel Bar

Carbon Steel Rod SAE 1045 Round Steel Bar System 1

Carbon Steel Rod SAE 1045 Round Steel Bar System 2

Carbon Steel Rod SAE 1045 Round Steel Bar System 3

Carbon Steel Rod SAE 1045 Round Steel Bar System 4

Carbon Steel Rod SAE 1045 Round Steel Bar

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Loading Port:: China main port

Payment Terms:: TT OR LC

Min Order Qty:: 50 m.t.

Supply Capability:: 10000 m.t./month

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Chemical Composition	Mechanical Properties (In Quenched & Tempered State)
C	0.43-0.50 %	Tensile strength(MPA)	≥600(61)
Si	0.17-0.37 %	Yield strength (MPA)	≥355(36)
Mn	0.60-0.90 %	Elongation (δ5/%)	≥16
Cr	≤0.25 %	Reduction in Area (ψ/%)	≥40
Ni	≤0.30 %	Impact (J)	≥ 39
P	≤0.040 %	Impact toughness value αkv (J/cm2)	≥49(5)
S	≤0.050 %	Hardness	≤229HB
Cu	≤0.25 %

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)

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 are the different grades of carbon steel round bars for structural applications?: Carbon steel round bars for structural applications are available in a variety of grades, each with its own unique properties and characteristics. Some of the common grades include: 1. ASTM A36: This is one of the most widely used grades of carbon steel round bars for structural applications. It offers excellent weldability and machinability, making it suitable for a wide range of structural projects. 2. ASTM A572-50: This grade is a high-strength, low-alloy structural steel that offers improved strength-to-weight ratio compared to traditional carbon steel. It is commonly used in construction and structural applications where high strength is required. 3. ASTM A588: This grade is a high-strength, low-alloy structural steel that is primarily used in applications where corrosion resistance is needed. It offers excellent atmospheric corrosion resistance and is often used in outdoor structures such as bridges and buildings. 4. ASTM A709: This grade is a high-strength, low-alloy structural steel that is commonly used in bridge construction. It offers excellent strength, weldability, and toughness, making it suitable for demanding structural applications. 5. ASTM A105: This grade is a low-carbon steel with good strength and impact resistance. It is commonly used in applications where high strength and ductility are required, such as in the construction of heavy equipment and machinery. These are just a few examples of the different grades of carbon steel round bars available for structural applications. The choice of grade depends on factors such as desired strength, weldability, machinability, and corrosion resistance. It is important to consult with a steel supplier or engineer to determine the most appropriate grade for a specific application.

Q: Are steel round bars prone to deformation?: When steel round bars are manufactured and used correctly, they usually do not deform. Steel is recognized for its strong tensile strength and durability, which means it can resist bending or warping in normal situations. However, it is essential to remember that excessive force or mishandling can still lead to deformation in steel round bars. Overloading, improper storage, or using inappropriate machining techniques can all contribute to the bars bending or twisting. Hence, it is vital to adhere to recommended guidelines and industry standards to guarantee the durability and longevity of steel round bars.

Q: Can steel round bars be used in the manufacturing of valves?: Valves can indeed be manufactured using steel round bars. The utilization of steel round bars in valve production is widespread owing to their remarkable attributes of strength, durability, and resistance to corrosion. These round bars can be skillfully machined and forged into diverse valve components, including stems, bodies, and discs. Furthermore, steel round bars offer exceptional mechanical properties, thereby guaranteeing the ability of valves to endure extreme pressure and temperature conditions. Another advantage is that steel round bars can be effortlessly welded or threaded to connect different valve parts. In conclusion, steel round bars emerge as a dependable and highly favored material option for the manufacturing of valves.

Q: Can steel round bars be used in the pharmaceutical industry?: No, steel round bars are not typically used in the pharmaceutical industry as they are not suitable for direct contact with pharmaceutical products due to potential contamination risks.

Q: Can steel round bars be used for making molds?: While steel round bars can be utilized in mold production, they may not be the most customary or optimal choice of material. Typically, steel round bars find application in structural or support roles. In the realm of mold fabrication, other materials such as silicone, aluminum, or specific steel molds are generally favored. These alternatives provide superior resistance to heat, flexibility, and convenience for molding purposes. Nevertheless, if the steel round bars are appropriately machined, shaped, and treated, they can still serve in fashioning uncomplicated molds for specific applications. However, prior to employing steel round bars, it is crucial to consider the mold's specific requirements, including the material being molded, the temperature and pressure conditions, and the desired final product finish.

Q: Are steel round bars suitable for use in the mining industry?: Yes, steel round bars are suitable for use in the mining industry. Steel round bars are known for their strength and durability, making them ideal for use in the mining industry where heavy-duty equipment and machinery are utilized. These bars can be used for various applications such as shafts, support beams, and structural components in underground mines, open-pit mines, and processing plants. Steel round bars are capable of withstanding high loads and pressures, making them suitable for harsh mining environments. They have excellent tensile strength and can withstand extreme temperatures, making them resistant to wear, abrasion, and impact. This is crucial in mining operations where equipment is subjected to heavy loads, vibrations, and constant movement. Moreover, steel round bars can be easily welded, fabricated, and machined according to specific requirements, making them versatile and adaptable to a wide range of mining applications. They can be customized to different sizes, lengths, and shapes, ensuring a perfect fit for various mining equipment and structures. In addition to 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 found 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 tested for quality and compliance?: To ensure quality and compliance, steel round bars undergo a series of rigorous tests and inspections. The most commonly used test is the tensile test, which measures the bar's ability to withstand pulling forces. By stretching the bar until it breaks and analyzing the stress-strain curve, its mechanical properties, including yield strength, ultimate tensile strength, and elongation, can be determined. Another important test is the hardness test, which assesses the bar's surface resistance to indentation. This test helps determine the material's strength and its ability to resist wear and deformation. Chemical analysis is conducted to verify the composition of the steel round bars. This test determines the percentage of elements present, such as carbon, manganese, silicon, sulfur, and phosphorus. It ensures that the steel meets the required specifications and is suitable for its intended application. Dimensional inspection is crucial to ensure that the steel round bars meet the specified dimensions and tolerances. This involves using calibrated instruments to measure the length, diameter, and straightness of the bars. The surface quality is assessed through visual inspection and non-destructive testing methods, such as ultrasonic testing and magnetic particle inspection. These tests detect any surface defects, cracks, or discontinuities that may affect the bar's performance and integrity. Additionally, specialized tests may be conducted based on the intended application of the steel round bars. For example, bars used in the construction industry may undergo corrosion resistance or impact testing. In summary, the quality and compliance of steel round bars are assured through a comprehensive range of tests, inspections, and analyses. These tests enable manufacturers and customers to determine the suitability and reliability of the bars for specific applications, ensuring the safety and effectiveness of the final products.

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: Can steel round bars be used in the construction of bridges?: Yes, steel round bars can definitely be used in the construction of bridges. Steel round bars are commonly used in bridge construction due to their high strength, durability, and versatility. They offer excellent load-bearing capabilities and can withstand heavy loads, making them suitable for use in bridge beams, columns, and other structural elements. Additionally, steel round bars can be easily welded, bent, and formed into various shapes and sizes, allowing for customized designs and efficient construction processes. The use of steel round bars ensures the structural integrity and longevity of the bridge, making them a popular choice in bridge construction worldwide.

Q: Can steel round bars be plated?: Yes, steel round bars can be plated. Plating is a common process used to enhance the appearance, corrosion resistance, and durability of steel round bars.

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