Carbon Steel Bar 1020 S20C C22

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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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Chemical Composition	Mechanical Properties (In Quenched & Tempered State)
C	0.17-0.23 %	Tensile strength(MPA)	≥253
Si	0.17-0.37 %	Yield strength (MPA)	≥245
Mn	0.35-0.65 %	Elongation (δ5/%)	≥25
Cr	≤0.25 %	Reduction in Area (ψ/%)	≥45
Ni	≤0.30 %	Impact (J)	≥ 47
P	≤0.035 %	Impact toughness value αkv (J/cm2)	≥59(6)
S	≤0.035 %	Hardness	≤156HB
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 is the typical price range for steel round bars?: The cost of steel round bars can differ based on several factors, including size, quality, and source of purchase. Generally, smaller diameter bars can be priced between $10 and $30 per bar, while larger ones can range from $30 to $100 or higher. The steel's quality, including its grade and any additional treatments or finishes, can influence the price. Moreover, the price range can be affected by the location or supplier from which the bars are bought. To obtain the best possible deal, it is advisable to compare prices from multiple sources and consider factors like shipping costs.

Q:Can steel round bars be used in the manufacturing of firearms?: Yes, steel round bars can be used in the manufacturing of firearms. Steel is a commonly used material for firearm construction due to its strength, durability, and ability to withstand high pressures and temperatures. Round bars made of steel can be machined, forged, or cold drawn to create various firearm components such as barrels, receivers, and bolts.

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:What are the different packaging options for steel round bars?: There are several packaging options available for steel round bars, depending on the specific needs and requirements of the customer. Some of the common packaging options include: 1. Bundles: Steel round bars are often bundled together using steel straps or wire to create a compact and secure package. Bundles can vary in size, with common options being 2, 3, 4, or 5 tons. This packaging option is suitable for transportation and storage purposes. 2. Wooden Crates: For added protection during transportation, steel round bars can be packed in wooden crates. These crates are designed to withstand the weight and size of the bars, ensuring safe delivery to the customer. 3. Steel Cages: In some cases, steel round bars are packaged in steel cages or racks to provide additional stability and security during transportation. These cages are typically made of sturdy steel and are stackable, making them suitable for storage purposes as well. 4. Plastic Wrapping: To protect the steel round bars from moisture, dust, and other contaminants, they can be wrapped in plastic or shrink wrap. This packaging option is commonly used when the bars are stored or transported in open-air environments. 5. Customized Packaging: Depending on the customer's specific requirements, steel round bars can be packaged in custom-designed containers or crates. These can be tailored to accommodate different sizes, weights, and quantities of bars, ensuring maximum convenience and safety during handling and transportation. It is important to note that the choice of packaging option may vary depending on factors such as the destination, mode of transportation, and specific industry standards. Therefore, it is advisable for customers to consult with their suppliers or packaging experts to determine the most suitable packaging option for their steel round bars.

Q:What are the advantages of using nickel-silicon alloy steel round bars?: Nickel-silicon alloy steel round bars offer numerous benefits. Firstly, they possess outstanding strength at high temperatures and are resistant to oxidation and corrosion. Consequently, they are well-suited for applications in extreme environments, such as the aerospace and automotive industries. Secondly, these round bars exhibit superior mechanical properties, including high tensile and yield strength. As a result, they are ideal for use in structural components that require durability and strength, like construction and engineering projects. Additionally, nickel-silicon alloy steel round bars demonstrate excellent resistance to fatigue and wear. Therefore, they are perfect for applications involving repetitive stress or abrasive conditions. This ensures extended lifespan and reduced maintenance requirements for components made from this material. Furthermore, nickel-silicon alloy steel is renowned for its exceptional magnetic properties, making it suitable for electromagnetic applications such as transformers, motors, and generators. Lastly, nickel-silicon alloy steel round bars can be easily machined and fabricated, allowing for greater design flexibility and ease of manufacturing. Consequently, they are a cost-effective choice for various industries, as they lower production costs and lead times. In summary, the advantages of nickel-silicon alloy steel round bars include resistance to high temperatures, excellent mechanical properties, fatigue and wear resistance, superior magnetic properties, and ease of machining and fabrication.

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:Special steel bar steel products used to do what: Carbon tool steel is high carbon steel basically contains alloy elements, the carbon content in the range of 0.65% ~ 1.35%, the production of low cost, easy to obtain raw materials, good machinability, after treatment can obtain high hardness and high wear resistance, so it is widely used in steel, used to manufacture all kinds of cutting tools, mold, measuring.

Q:How do you measure the diameter of a steel round bar?: In order to determine the diameter of a steel round bar, there are two tools that can be utilized: a caliper or a micrometer. First and foremost, it is crucial to ensure that the round bar is devoid of any dirt, debris, or rough edges. Place the round bar on a level and smooth surface. If a caliper is available, open it and place one jaw on one side of the round bar and the other jaw on the opposite side. It is important to guarantee that the jaws are perpendicular to the bar and in contact with its outer surface. Gradually close the caliper until both jaws are firmly pressed against the bar. The measurement can be read from the caliper's scale or digital display, providing the diameter of the round bar. Alternatively, if a micrometer is at hand, open it and adjust the thimble to zero. Position the anvil, which is the stationary part, against one side of the round bar, and the spindle, which is the moving part, against the opposite side. Rotate the thimble until the spindle makes firm contact with the bar. The measurement can be read from the thimble's scale or digital display, along with the corresponding number on the barrel. This will yield the diameter of the round bar. It is important to remember that in order to ensure accuracy, multiple measurements should be taken at various points along the bar, as the diameter may not be perfectly uniform throughout its length.

Q:What is the composition of steel round bars?: Steel round bars are primarily composed of iron and carbon, with trace amounts of other elements such as manganese, silicon, sulfur, and phosphorus. The main component, iron, provides the strength and structural integrity of the steel bar. The carbon content plays a crucial role in determining the hardness and strength of the bar, with higher carbon content resulting in a harder and stronger material. Manganese contributes to the overall strength and toughness of the steel, while silicon helps improve its resistance to oxidation and scaling at high temperatures. Sulfur and phosphorus are impurities that are typically kept at low levels to prevent detrimental effects on the material's mechanical properties. Overall, the composition of steel round bars is carefully controlled to achieve the desired strength, durability, and other specific properties required for various applications.

Q:Are steel round bars resistant to UV radiation?: Typically, steel round bars lack resistance against UV radiation, which can induce oxidation and lead to rust formation. Consequently, the structural strength of the steel may weaken, potentially causing deterioration over time. However, safeguarding steel round bars from UV radiation is achievable by applying a protective layer like paint or a specialized coating. This layer acts as a barrier against harmful UV rays. Moreover, storing the bars in shaded areas or utilizing covers can effectively reduce their exposure to UV radiation, thus prolonging their lifespan.

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