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:How do steel round bars perform under impact or shock loading?: Steel round bars generally perform well under impact or shock loading due to their high strength and toughness. The inherent properties of steel, such as its ability to absorb and distribute energy, make it highly resistant to deformation or failure when subjected to sudden forces or impacts. Additionally, the uniformity and reliability of steel's microstructure contribute to its consistent performance and durability in such loading conditions.

Q:What is the difference between a smooth and a precision ground steel round bar?: A smooth steel round bar has a surface that is free from any roughness or irregularities, providing a polished and sleek appearance. On the other hand, a precision ground steel round bar undergoes a specialized grinding process to achieve tight tolerances and a high degree of accuracy in its dimensions. This precision grinding ensures that the bar has consistent diameter and smoothness throughout its length, making it suitable for applications that require precise measurements and tight fits.

Q:Are steel round bars suitable for bicycle frame applications?: Yes, steel round bars are suitable for bicycle frame applications. Steel is a commonly used material for bicycle frames due to its strength, durability, and ability to absorb vibrations. Round bars provide a strong and rigid structure, allowing for a stable and reliable frame that can withstand the stresses and strains of regular use.

Q:Can steel round bars be used in high-pressure applications?: Yes, steel round bars can be used in high-pressure applications. Steel round bars are known for their strength and durability, making them suitable for various industrial and mechanical applications. They have the ability to withstand high pressure and provide structural stability, making them a popular choice in industries such as oil and gas, construction, and manufacturing. However, it is important to choose the right grade and quality of steel round bars to ensure they can withstand the specific pressure requirements of the application.

Q:What is the minimum diameter available for steel round bars?: The specific manufacturing and supplier capabilities can cause variations in the minimum diameter of available steel round bars. Typically, a wide range of diameters can be found, starting from as small as 1/8 inch (3.175 mm) and going up to several inches or even larger. To ascertain the exact minimum diameter for steel round bars that aligns with your specific needs, it is advisable to consult with steel suppliers or manufacturers.

Q:Can steel round bars be used for making exhaust systems?: Yes, steel round bars can be used for making exhaust systems. Steel is a commonly used material for exhaust systems due to its durability, heat resistance, and cost-effectiveness. Steel round bars can be shaped and welded to create the necessary components for an exhaust system, such as pipes and mufflers. However, it is important to consider the specific requirements and regulations for exhaust systems in terms of material composition and performance.

Q:What's the difference between round steel and other steel bars?: The composition is different, round steel (grade a steel) belongs to ordinary low carbon steel, other steel bars are alloy steel

Q:What are the advantages of using nickel-tin alloy steel round bars?: There are several advantages of using nickel-tin alloy steel round bars. Firstly, nickel-tin alloy steel has excellent corrosion resistance properties. This makes it ideal for applications where the round bars will be exposed to harsh environments or corrosive substances. The addition of nickel and tin enhances the overall durability and longevity of the round bars, ensuring they can withstand prolonged exposure to moisture, chemicals, and other corrosive elements. Secondly, nickel-tin alloy steel round bars offer superior strength and toughness. The combination of nickel and tin in the alloy composition enhances the overall mechanical properties of the bars, making them highly resistant to deformation, bending, and breaking. This makes them suitable for demanding applications that require high strength and durability, such as in construction, aerospace, and automotive industries. Additionally, nickel-tin alloy steel round bars exhibit excellent heat resistance. They can withstand high temperatures without significant loss of strength or deformation. This makes them ideal for applications that involve exposure to elevated temperatures, such as in furnaces, boilers, and heat exchangers. Furthermore, nickel-tin alloy steel is known for its excellent electrical conductivity. This property makes the round bars suitable for applications that require efficient electrical transmission, such as in electrical wiring, power generation, and electrical equipment manufacturing. Lastly, nickel-tin alloy steel round bars are relatively easy to machine and fabricate. They can be readily shaped, cut, and welded, allowing for versatility in various manufacturing processes. This ease of machining and fabrication ensures efficient production and reduces overall manufacturing costs. In conclusion, the advantages of using nickel-tin alloy steel round bars include excellent corrosion resistance, superior strength and toughness, high heat resistance, good electrical conductivity, and ease of machining and fabrication. These properties make nickel-tin alloy steel round bars a preferred choice for a wide range of applications in various industries.

Q:Can steel round bars be anodized?: No, steel round bars cannot be anodized. Anodizing is a process that is specific to aluminum and its alloys.

Q:What are the different types of steel round bar coatings used in the oil and gas industry?: There are several types of steel round bar coatings commonly used in the oil and gas industry. Some of these coatings include fusion bonded epoxy (FBE), three-layer polyethylene (3LPE), three-layer polypropylene (3LPP), and metallic zinc coatings. These coatings are applied to steel round bars to provide corrosion resistance, enhance durability, and protect against harsh environmental conditions in oil and gas applications.

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